Vox Tone Stack Mods

The pot functions as a variable RC low pass filter. At the time a vox valvetronix 30 was my amp. This is great for learning new songs or just playing along with your favorite music. My strat going thru the amp clean sounds a lot fuller and less “ice-picky” than it did previously. It also has two 3 way switches on the back of the amp as well. Cabinet suggestion: 1x12 or. In fact, it takes about 6. You don't have disassemble anything else. Joe Gagan/Vox Hotrod Clyde. If you type this into a capacitor calculator it comes out as 25pF, 75pF and 50pF at 10%. 00 Add to cart; Vox Night Train NT 15H-G2 15 Watt Tube Head Read more. 1 Watt practice amp with the real valve, clean Fender-like tone. Amp Mod Kit - MOD Kits, Tone Stack Mod. This kit addresses a number of issues with this amp by improving the reverb, reducing noise and hum and revoicing the tone stack. 6x10-19 coulombs (-1. The versatility provided by this setup allows the J-MOD 100 to deliver a huge variety of sounds whether using singlecoils or humbuckers. I used an old surround sound speaker as my enclosure, and used the speaker. amp's tone stack. The cleans are warm and juicy with just the right amount of smooth fenderish sparkle on top. 047 cap for the 0. Page it's definitely a nice little amp. 4 JBGretschGuy 2 years ago Yeah, the "distortion" on those sound awful. Vox ac15 kit. Unfortunately it is not a complete Class A amplifier, and the confusion stems from the fact that it is using cathode biasing on the output tubes. Coupling caps7. 00 Add to cart; Marshall 18 Watt 2×10 (Clone) Read more; Marshall JTM 45 Clone (Half Stack) Read more; Mesa Boogie Subway Blues / Mesa 1×12 and EV 1×15 $ 1,400. VOX AV15/30. Vox pacemaker. Use the textured side of the pick to get that bright “shing” sound at the attack of every note. Acquired this in the early 80's for. you can do the same with a reverb pedal, generally. I have a Mercury Magnetics choke on order, not sure if changing the OT will make. Our products are hand custom built to order and will dramatically improve your guitars tone and performance. "PRE" places the tone stack at the input to the amp, "POST" places the stack between the preamp and power amp. Power supply stiffening cap9. A stack with Marshall values - which has simply too many mids for Harp. standard hex Standard reconfigurable wipe nose; Interchangeable industry-standard mounts, 1. and try the 250k pot/82k mod by Mirosol's. Router Screenshots for the Sagemcom Fast 5260 - Charter. For example, BF fenders have tone stacks early in the preamp. (Here a lower value cap will raise where the tone control will cut the highs higher value will lower it. It is regarded as a high-quality, simple and portable tube amp for stage or studio use. In my other amps I have swapped out tubes for tone improvement or lined the cabinets with fiberglass to tighten up metal or dampen the brights but I have no such need with this amp. Both channels share a built-in reverb. This was a fi rst for both VOX R&D and Tony Bruno. David Yeh and Julius Smith have already published a DSP model of a classic Fender Bassman stack. Rumor is ch2 is based on a train wreck tone - it get dirty quickly, but not in a 'vox' way. As you know, there some great new models out there to Friedman. True to form, the Top Boost channel delivers the legendary AC30 sound with a fully interactive tone stack. , Rickenbacker 1993. The Vox AC15C1 is an excellent low wattage combo amp with supple features and a welcome compact size. Brand: Vox. A Fender Stratocaster, Jaguar (pictured) or Jazzmaster would be my personal choice. C9 = C18 (kinda nice to put on a switch) Coupling caps - change them out to Mallorys/Sozos for corksniffery good times. The Cool Mod also alters the Normal Channel tone stack with a change from a 250pF to a 330pF Treble cap which boosts the mids and allows the Treble tone control to reach deeper into the mids. Mod Your Fender Pro-Jr!: Hi, in this instructable i will show you ways to mod your pro-jr to change the sound in pretty much every ways. Here are some common tone stack circuits, courtesy of monster. As you can see also, at aproximately the same “level” value, the overall volume is higher (over -60dB for a wider range in the test), without changing any measurement. The extra distortion control allows you to slightly adjust the corner frequency resulting in a softness control. ABOUT KUSTOM All of us at Kustom Amplification are proud of what we do. Tubeworks Real Tube 903 Modded Tone Stacks So as most of you guys know when I'm studying for exams I tend to do a bunch of layouts when taking breaks to keep my sanity. The nasal attack of the Blues Driver’s tone stack was now a brash, Vox-y clarion call. Could also insert a Vox TB stack for Baby Vox here. It's a 25-watt mini stack with a 1x10 cab and tiny, tremolo- and reverb-equipped head that nails the brand's trademark jangle and can dish pretty tough tones, too, with the right guitar and pickups. This is a great mod for pretty much any amp with a TMB (treble mid bass) tone stack. The mod kit for the Blues Jr. Here's a link (there are others if you search under "AC15 bright cap mod:" Vox AC15 Mod Guide | END OF THE GAME The two modifications above made the amp really nice. The 5W Epiphone Valve Junior has certainly created a stir among devotees of tube-based guitar amplifiers. But yes, that part is gooped over. By positioning the tone controls early in the circuit you have some signal loss. Guitar Amplifiers. The tone stack is made up of capacitors C 1, C 3, C 8, and C 9, jumper. Carr Mercury V 1x12 Combo Amp in Black tolex This is my third Carr amp. Twin Stack mod4. NEW! VOX AC4-C1 Mods for $75. Mods: Cool Mod : Rock/Jazz and boost pull knobs on treble and bass. I liked the fact that the Vox has a master volume and also a dual band tone stack. But it's worth noting that the traditional Top Boost circuit requires one and a half dual-triode 12AX7 tubes to do its thing, plus another full 12AX7 for the phase inverter. I thought it'd be cool to share some of your favorite settings for you and/or your favorite artists. 00 Add to cart; Marshall 18 Watt 2×10 (Clone) Read more; Marshall JTM 45 Clone (Half Stack) Read more; Mesa Boogie Subway Blues / Mesa 1×12 and EV 1×15 $ 1,400. Rumor is ch2 is based on a train wreck tone - it get dirty quickly, but not in a 'vox' way. Brand: Vox. Unleash the tone of your Vox AC15C1 with the complete mod kit from Fromel Electronics. FX Return Left has dummy patch cord inserted to turn off left speaker. 047 cap for the 0. FROMEL ELECTRONICS - Fender 68 Custom Deluxe Reverb Reissue Supreme Mod Kit - EUR 70,45. The AD30VT was discontinued by then, but I found the VT-30 for a very attractive price. -- "pre" means the tone controls (Bass, Mid, and Treble) are before the "Gain" distortion, which is actually a pretty fully modelled amp distortion just like in a Line 6 POD or Tech 21 SansAmp. I read that this is the George Benson mod on a HRD. Vox ac15 kit. (I’ve labeled the switch as STO) Tremendously flexible and great sounding amp. I found one that not alot of info was given on, the tone stack mod. Well done Dr. The tube screamer circuit got a common bass boost mod so it doesn’t sound so utterly congested. Vox owners club! Discussion in 'Amp-a-ridifiers' started by horax , Dec 9, 2016. These mods should work with any amp that uses a tube preamp with a standard 500k-1M ohm Volume or Gain control. Other Simple Ideas 1. x, version 2. A discontinued little gem that they resurrected with a couple of new mods. Biasing the EL84 explained: Valve Junior - Mods, Scratch Building, Biasing Also check out sewatt Single-Ended Forums. Download and play with Duncan's Tone Stack Calculator. VOX AV15/30. True to form, the Top Boost channel delivers the legendary AC30 sound with a fully interactive tone stack. i did 3 mods (one on accident): i did a bright cap removal (with toggle switch to reconnect the cap to the circuit) on the top boost channel; a tone stack (with toggle switch) and an accidental breaking of the normal channel's bright cap. Verdict, I hate it. From large amp stacks to mini-combo amps and multi-effect units, the series boasts a diverse lineup, and can be seen on stage, in the studio, and in the home. Yes? Yes!!! They tried to keep the Rat grunge and add a FET type tone blended with it. This kit addresses a number of issues with this amp by improving the reverb, reducing noise and hum and revoicing the tone stack. Model based on the Vox AC30TBX® Top Boost, an amp created in response to demand for "More Treble". It takes an enormous number of electrons to equal one coulomb. Basicamente se quito la funcionalidad de la perilla del tono al pedal para otorgarle todo el rango de frecuencias. 1, High Voltage Pre Mod2, Standby Switch Mod3, Switch Craft Jack Mod4, Basic Green Board Upgrade Kit ModsBasic upgrade kit mods include Tone Stack, Bias Control and Power Siffener Mods. As you know, there some great new models out there to Friedman. The difference in tone is night and day. If I were you, I would just replace the Bandax tone stack, or whatever the hell its called that is in there, with a fender 5F2a tone stack. The three knob tone stack has been around since the beginning of bass amplifiers. When the gain stage is kicked in, the amp gets rich in harmonics and delivers a bit more bite. I have a Fender Reverb Twin RI and its just too damn heavy to take everywhere and also way too loud for living room playing. Vox Amplification Ltd. These are DIY mods with. One thing that really impacts the tone is the design of the tone stack. Great highs and slightly reduced bass. Chrome Dome Tone Philosopher 40 Soundclips Page _____ Interview With Adam White of Chrome Dome Audio by Brian Scherzer. It provides a much bigger spectrum of tones. So why is it so bassless? C4 and C31 both cut bass pre-dirt or in-dirt around 300 Hz, which is a lot. New Tone Stack Options: "Mid Shift" and "Deep" 2. Changing this to the “vintage” 47pf value very slightly reduces the treble. 3: 21/03/2017: Build 47 - Bug fix on VOX schematic, desktop icon fixed, new button to reset controls: 1. Upgraded reverb tank, all new tubes. 96 & This modification is achieved by altering the tone stack and works for both TMB and TB tone stacks Vox AV15 15w 1x8-Inch Analog Valve Modeling Guitar Amplifier. The pot functions as a variable RC low pass filter. Metal input jack3. BUT There are some major voicings switches - Gain structure, 3 position voice, 3 position. Politics, public policy, world affairs, pop culture, science, business, food, sports, and. Tone stack circuit design All three of those are essentially fixed for a given channel in all but a very few amps. a very much. - R3 lets more current through the tone stack and will increase bass while changing C24. 5kHz, so it should work very well. Classic style 3-BAND TONE STACK for extended flexibility in shaping your tone. Another idea is to put a coupling cap in place of the tone stack- this would be set up like a fender 5F1. So since I did a layout for the Tubeworks 903 I thought to myself if it's basically a tube pre-amp I thought why couldn't the tone stack be modded to that of some legendary amps. Boss Katana-Artist 100W 1x12 Guitar Combo Amplifier Katana amps have received worldwide acclaim for their authentic tube tone and feel, onboard BOSS effects, and exceptional value. Can anyone elaborate on this? Wizard is based on a Marshall Jubilee. Just snip it on one end, then move it away out of the circuit and your normal channel becomes a screaming gain channel. The Germanium Super Phat Mod – Hand Built Edition not only has the perfect JFETS for tone, it has the attention to detail only a hand built product can provide. Crude ‘Tone’ control is actually ‘Treble Cut’. FROMEL ELECTRONICS - Fender 68 Custom Deluxe Reverb Reissue Supreme Mod Kit - EUR 70,45. Scherzer: Our reviewer was impressed with the Tone Philosopher 40. by aside » Thu Oct 03, V2 Module Tone Stack Tube Matter? ↳ Jaded Faith Mods ↳ Gigmods Module Mods. Changed R11 tone stack slope resistor to 33k. It provides a much bigger spectrum of tones. If you are interested in any work please contact me for a quote. 2 Rather than embellish upon their work here, let's model another popular circuit, the James tone stack as found in the Orange Graphic Mk II (1972 version), where it is sandwiched between the first preamp stage and a gain control. This included the “TwinStack” mod, replacement orange drop tone capacitors, power supply stiffening capacitor, and adjustable bias trim pot, as well as. The flagship Katana-Artist combo takes Katana performance to new heights, offering all the latest series features along with numerous refinements tailored for the needs of professional players. Diodes are 5 volt and MPSA20. My strat going thru the amp clean sounds a lot fuller and less "ice-picky" than it did previously. While many think the AC30 is superior, I decidedly disagree. It's a tricked out super mod of the old Electro Harmonix LPB-1 circuit that produces some lovely singing overdrive tones reminiscent of an old VOX from their 1960's heyday. (I’ve labeled the switch as STO) Tremendously flexible and great sounding amp. Hiwatt D50L (Half Stack) Read more; Ibenez TSA15 H with Matching Cab 1×15″ $ 650. The dirt is obtained by actually overdriving the circuit. Vox AC30/6 amplifiers from around 1963 had already implemented the top boost, and therefore had three tone controls. Now for the screen resistors; either value will work, the 2K2 10 W resistors are safer for the output tubes, and they mellow the percussive part of the tone some. With two channels, as well as normal and top boost, the Vox AC30 is perfect for crafting your tone on stage and in the studio. Re: Capacitor Location in tone circuit - Does it matter? Thanks for the info. Deep Pull-Switch on Bass. Through that. Splitting sections of the tone stack either side of a stage prevents interaction between them. You can swap out tubes for compatible tubes, with largely subtle differences in final sound. 22W/35W Encore with bias mod vibrato, 2-knob reverb and master vol. The Vox AC15C1 Custom guitar combo amp offers maximum tonal dexterity to countless guitar players around the world. I'd think it also has more midrange growl (resonance) than the ET65. What you set up in the Tone Room is what you get. The P15SMR was a limited production item and disappeared from the Vox line in early 2004. Here's what the loop mod looks like on the back of my VT-30:. Beautiful Brit tone without the glare. The difference in tone is night and day. Tone Bank A No. A discontinued little gem that they resurrected with a couple of new mods. NAMM 2014: Black Widow might have come up with the ultimate solution for those of us looking for a variety of tube sounds, but not sold on digital modelling. It takes an enormous number of electrons to equal one coulomb. Line 6 21 st Century Clean – To create this Amp Model, we essentially grafted the preamp and tone stack of a JC120 (Roland’s popular “Jazz Chorus†solid state combo) onto the power amp and transformer of a classic Marshall® JTM-45 tube head, thereby giving you the crisp and clear front end typical of a solid state amp. The AD30VT was discontinued by then, but I found the VT-30 for a very attractive price. The Bright cap mod on these has been to control the splatty note decay on higher gain settings. Vox Brian May AC30 review The most authentic Brian May tone yet, but be warned, it's very loud indeed £1599; $2999; By Music Radar Team 15 November 2007. 200 matches. What the experts say "It’s easy to pile a. Just a point; the Vox circuit looks like it runs from split +/-ve rails, while the Tonemender runs from a single supply and has an artificial mid point "Vref". Design: Welded baffle stack with removable nose cap, 1-1/4 in. Compare prices & save money on Musical Instrument Effects / Processors. Each will take a slightly higher degree of Brightness away and will warm up the amp some, remove any harshness, and smooth out the overall distortion. Classic style 3-BAND TONE STACK for extended flexibility in shaping your tone. Super sleek. Oscillation cap ANDFender Type III factory. 047 between PI and power tubes, replace with. These mods will make your amp more reliable, have less noise and better tone. At least much that actually improves the tone. Turning it up further begins boosting the signal and it ends up becoming an edge-of-breakup blues sound. it's super versatile. There is always a fairly large signal drop in a passive tone stack - anywhere from 6 dB to 30 dB of loss occurs. 00 off for some Stairways to Heaven sale they are running. I ran it thru my 4x12 (celestion golds) and the AC15 sounded great. Vox Night Train 15 Watt Head in good working condition with the following mods:. Read Sweetwater customer reviews for Vox MSB25 Mini Superbeetle 25-watt 1x10" Mini-stack Reviews. The Vox design is intended to be limited by the signal limiter in the preamp, never by the actual saturation of the amp itself. This is the sequence of components put together to achieve a certain tone. I'm telling you it's a totally different amp. LOVE me some VOX amps. Accessories. It also had the TMB tone stack obviously. Tone Personally, I don't like it kaya this pedal will undergo major surgery sa mga susunod na araw. shall not be liable for errors contained in information or be liable for any direct, indirect, special, incidental or consequential damages whatsoever (including lost profits, lost data, or business interruption) related to any use of the data downloaded, viewed or links provided by the Vox website. If you want to talk cute, well, the new Vox Mini Superbeetle—which pays homage to the original Super Beatle—is preposterously cute. Burgaw, NC 28425 Phone: 910-259-7291 Fax: 910-259-7292 Call Us: 800-927-6656. 6x10-19 coulombs (-1. A couple weeks ago I got a Vox ac15c1. Effects Pedals for Guitars Narrow Results. Another AC15cc1 Mod Last night, out of curiosity, I preformed the “Standard/Custom EQ Mod” on my AC15CC1 as instructed on this site: Vox AC15CC Mod Guide | GuitarPug. 5, VOX TONE BENDER, The Beatles Distortion Pedal! $79. 0012uF) * Short out R12 and R13 * C27 = 0. with volume. The dirt is obtained by actually overdriving the circuit. The diagram and the article describe the so-called FMV tone stack; the design used by Fender, Marshall, and Vox, and the hundreds who followed in their footsteps. I generally don't play with tone knobs much as they just don't seem to do much. Guitar Valve Amplifier Mods and Modification - Power Scaling - Effects Pedals, and Carbon Fibre Guitars. When the tonestack is bypassed, the signal goes through C28 which in conjunction with the volume pot (we're ignoring the slight impact of R35 because we're jumpering it - read on for that) creates a highpass. 6L6 automatically yeilded bouncy fendery tones, and EL34 automatically gave you british hazy midrangy tone. However, if you move the knobs symmetrically you still get the original HM-2 tone. 02 to block some low end, The. The deluxe versions are pretty much the same. Before mod riffs 4:11 After mod riffs 5:28 Extension cab also has a Greenback and the tone is very similar to the. We listened. Use the textured side of the pick to get that bright "shing" sound at the attack of every note. FV-50 Volume -> Tone pedal mod ; We can mod the FV-50 into a tone control pedal. The maximum is not at 800Hz, just because the circuit is not only the tone stack. Its basically the same circuit with a different form of distortion clipping. I decided to try it but with a mini toggle so I could check the differences. This is a guess because I don't know what the signal level is at point A, and this is important to check. The tone stack is one of the main things that gives an amp its particular voice, as it shapes the frequency response pretty drastically. On amps that do analog modeling, the tone stack is one of the sections of the amp they switch out. Most of the mods I performed were inspired by the guide found here, so you should definitely check it out if you're considering doing some mods of your own. A higher value will extend the treble controls reach into the mid frequencies and change the depth of the scoop. To get a normal EQ curve, the mid needs to be turned back to 7-8 o’clock. I biased up a set of Gold Lion KT66's for this one. Let's say I want to add a tone stack to a circuit. Build 52 - Hiwatt tone stack added, unlimited undo/redo feature added: 1. VOX MKIV Tonebender Description of the MKIV origin from the captain. com/products/api-tranzformer-gt-multifunction-guitar-effects-pedal-certified-refurbished Brand: APIFeatures: This Certified Refurbished product is. With two channels, as well as normal and top boost, the Vox AC30 is perfect for crafting your tone on stage and in the studio. Spend over $200 and get free shipping! We also do special orders. However, if you move the knobs symmetrically you still get the original HM-2 tone. These mods will make your amp more reliable, have less noise and better tone. The new names more accurately represent the actual D topologies and avoid confusion of what "70's-80's tones" mean. The Girth channel features a Gain control and a channel Volume. Deep Pull-Switch on Bass. FMV tone stack. Mar 19, 2018 - MOD™ Kits are designed to give both novice and experienced musicians the opportunity to build their own amps and effects pedals. Optional mod for to increase the tone stack's scoop a little: changing R15 to 56k, from the original 33k. It also has two 3 way switches on the back of the amp as well. I know OP doesn’t want to mod, but for anyone else’s knowledge you can solder a piece of wire across two connections of the mid pot and that will give you the ability to completely control bass/mid/treble. Just a Vox, Strat and mod delay. Z Amps, the Mod RA process was worth the total completion interval. It takes an enormous number of electrons to equal one coulomb. The sound difference is night and day. It adds a tone control, a switchable soft clipping stage, a compression switch, and a bass boost switch. Besides not being controllable, it drops the volume of the effect below unity. Boss Katana-Mini 7W Mini Guitar Amplifier BOSS Katana amps have received accolades from guitarists everywhere for their fantastic sound and feel, onboard effects, and great value. Effects Pedals for Guitars Narrow Results. The tone stack is one of the main things that gives an amp its particular voice, as it shapes the frequency response pretty drastically. 1 makes the sound a little fuller. So I just put in the Mullard. The Cool setting produces the orthodox Top Boost sound, while the Hot setting bypasses the tone circuitry altogether to create a more pure sound to achieve richer gain. Tone Stack - Makes a couple key changes that reduce the harshness of the top end and allows the amp to work better with effects pedals. Set up your plexi or vox to sound semi clean, kick the first stage on for your typical distortion and then dial the 2nd stage in for a big lead boost! -BM808 - last but no least the tried and true tube screamer circuit crammed full of boutique mods, high and low boost toggles, diode switching for high and low gain options, the tone circuit is. Could also insert a Vox TB stack for Baby Vox here. VOX Valvetronix amp - Guitar In jack. Since I got the Vox I’ve been playing a lot of U2. Then he replaced it with a higher quality, lower value (10pf, I believe) cap. Bright Pull-Switch on F and M Gains. Jul 23, 2016 - Vox AC100CPH with Matching AC100 Cabinet | Reverb. But yes, that part is gooped over. FMV tone stack. Others may offer different opinions, but usually it is a good idea to test this with a plan to reverse the mod if you don't like it. Whether you're looking to replicate the sounds of your heroes or planning on developing something entirely your own, plugging into a Vox is the best decision any. The real most tone stacks (Fender, Marshall, Vox) are the same circuit with different component values for the capacitors and resistors, or different relationship between the controls and the resistances. However, I feel that. Can anyone elaborate on this? Wizard is based on a Marshall Jubilee. Based on a big muff, but highly modified using a James tone stack (treble & bass), instead of the scooped BMP tone control, and uses a Jfet for the eq recovery stage (w/5 transistors instead of 4). You can swap out tubes for compatible tubes, with largely subtle differences in final sound. The tone stack is modified at R17 (470k put over it) 82k, C5 replaced by 150p, C7 (22n put over it) 44n, as usual. The tube screamer circuit got a common bass boost mod so it doesn’t sound so utterly congested. Z Amps, the Mod RA process was worth the total completion interval. Put it on the 15W setting and crank up the drive and you're in 70's stoner rock heaven. What basically happens here is that swapping the. A 16 page assembly manual identifies all the included components, and has a solid, but brief tutorial on soldering. I recently bought a Vox AC50 CPH (50W head), that I am reaaaally enjoying. There is always a fairly large signal drop in a passive tone stack - anywhere from 6 dB to 30 dB of loss occurs. (the real UK) Vox kept the real schematics secret. Seymour Duncan. Great deals on Guitar Amp Kits. It's one of the reasons why (IMHO) Mesa's are hard to use, but sound great when you finally get them right. if you turn it up you're going to get some marshall-esque grind. 4 - they have made the Normal channel fairly useless in tone (way too dark or way too bright) and limited its max gain. For GA-5, B+ needs to be under 300V. I typically run a little master-volume style amp wide open (or near there) in a traditional fashion and use whatever gain knob there is as the volume control - same thing with this amp and it yields a nice chimey (but not ice-picky) tone, very full-bodied. Unleash the tone of your Blues JR with these modifications from Fromel Electronics! From the factory, this pint size wonder has a lot of potential, but with some select Fromel tweaks this amp can stand toe-to-toe with some of the finest boutique amps on the market. One is (tone stack) switch and the other is a V2a cathode switch. This kit is NOT for the AC15CC1. 14-Watt Guitar Amplifier with Baxandall Tone Stack Kit (#5887) This kit is a very clean-sounding 14-watt Guitar Amplifier. The normal channel has a single volume control, whilst the top boost channel has a dedicated EQ stack. 00 shipping. Because it's all point-to-point wired, it's very straightforward for an amp tech to maintain and mod (Rob Robinette describes a number of mods for the tone stack in particular, along with great descriptions and background on the amp and its circuits). The unit also has 5 tone settings to allow you t. Vox put a similar control across the output tubes. With the distortion available, it feels considerably louder than a cleaner amp, such as the 4W WF-55. Suitable upgrade/ replacement for the Vox™ AC30CC series amp. But the VC35 has no rectifier tube. Tone stacks – especially the three-knob sort – suck out loads of gain, and usually have at least one extra gain stage to drive them. It was a product of their collaboration with Tony Bruno and was supposedly inspired by the Trainwreck Express amp design, hence the related name. VOX MKIV Tonebender Description of the MKIV origin from the captain. I know this an old post, but I recently got an AC15C1 Cream, did the AC30 tonestack mod and quickly undid it. VOX™ Silencer options: Vox S™ w/ 5/8-24 Direct Thread Adapter– (SKU: EA04) Vox K™ w/ 5/8-24 Direct Thread Adapter– (SKU: EA06). Changed treble capacitor to 250pF. Lots of clean headroom, crunch and overdrive, and a master volume control. Korg have extended their summer apps and software sale. It's one of the reasons why (IMHO) Mesa's are hard to use, but sound great when you finally get them right. Hi there Cliff. Re: Sound quality different from Vox AC30 and AC15. Beautiful Brit tone without the glare. Looking at this from the opposite perspective, one electron has a negative charge equal to -1. so far really liking the results. Another cable (here green) connects the right pin of the volume to the middle pin of the tone. Quality guitar amplifiers are designed to precisely reproduce sound while maintaining a clean and accurate tone. Vox amps are as legendary as the performers who use them. While many folks will claim the CP103 has an “extra gain mod” or an input boost, the exact opposite is actually true: a true CP103 switches out the main Hiwatt tone stack for a more Vox-y style tone stack, and employs an extra 12AX7, because of the extra half a triode needed for the each of the extra inputs (which all have their own. A modded Rat. Start at 3:15 if you want to skip all the set up and get right to the demo. Great deals on Vox Guitar Parts & Accessories. I have read about the bright cap mod, and I will probably do this. Plus it sports a Tremolo and Reverb. or Best Offer +$12. 047 on it's way to the PI. Caps on the gain pot are 2000pf and 4700 pf. The Vox AC15C1 is an excellent low wattage combo amp with supple features and a welcome compact size. The tube screamer circuit got a common bass boost mod so it doesn’t sound so utterly congested. The Germanium Super Phat Mod – Hand Built Edition not only has the perfect JFETS for tone, it has the attention to detail only a hand built product can provide. There are a lot of very well described mods for that amp, including people that use it for bass. The Sarge amp is a 15-watt, EL84-powered circuit that uses vintage Hammond organ transformers and a Fender Deluxe-style tone stack. Vox produced several versions of the Wah-Wah with small circuit adjustments:. It’s a typically ‘British sounding’ amp, with a bright tone full of harmonics when overdriven. tie bass lug 3 to ground as per original AC30 tone stack. Now for the screen resistors; either value will work, the 2K2 10 W resistors are safer for the output tubes, and they mellow the percussive part of the tone some. So, there have been tone stack mods done & filter cap values increased to where the dimed amps can withstand +35 dB gain from the May Treble booster. People began to refer to these amplifiers as AC30TBs. lead vox: Kelley Dickinson and works in isolation. Without the capacitor it’s a master volume but with the capacitor its a tone control because the capacitor limits the frequencies being cancels to the highs. 00 Add to cart; Marshall 18 Watt 2×10 (Clone) Read more; Marshall JTM 45 Clone (Half Stack) Read more; Mesa Boogie Subway Blues / Mesa 1×12 and EV 1×15 $ 1,400. Dual spring reverb, separate tone controls on each channel and a gain structure that allows for three distinct levels of the tube overdrive make the Traynor's sound easy to manipulate. We keep it true stereo, and the side adjustment knob will work as a tone limiter, too! It will sound like the tone control on your guitar but you can have fun using it like a WAH WAH. The tone stack is one of the main things that gives an amp its particular voice, as it shapes the frequency response pretty drastically. Tone Stack positioned early in the circuit that scoops out midrange--- this is common to pretty much all the Blackface Fenders. PRS J-MOD 100 Tube Set - Shop with AmpTubes and get 5% off your first order. Brand Search. The mod gives more flexibility to the tone as you can adjust mid and high frequencies independently. amp's tube power amp, dummy load, and solid-state power amp. Because this type of tone stack really loads down the guitar signal being able to eliminate the tone stack is a valuable option. - Modified Tone Stack - The Factory Tone-Stack does not allow total tone control, The Controls sweep in a 'Preset-Range'. My Crybaby was the only one he modified. A 16 page assembly manual identifies all the included components, and has a solid, but brief tutorial on soldering. The power tubes can make a decent change in the tone also, but I don't have any experience with the NT15H power side. Might change the tone stack to add more mids. 4 – they have made the Normal channel fairly useless in tone (way too dark or way too bright) and limited its max gain. Multi-platform Java version. The pedal is excellent now. The three knob tone stack has been around since the beginning of bass amplifiers. Presence control - used to adjust the high-frequency response and damping factor of the power amp section. 47uF cap (actually it’s two 0. Plus, it's so easy to dial in a great, punchy, powerful tone (which is exactly waht I was looking for). This should give a nice big Marshall tone from the normal channel and a very Voxy vibe from the TMB side. INSERTS Timber Polycarb ECHO 3 Pack Double SMOKE Echo Pure Reed Tone Tone Reed Pure INSERTS Double SMOKE Pack Timber Echo ECHO Polycarb 3 Echo Park Double Sided Paper Pad 6 x 6 My Favorite Winter #MF193023 Echo Park Double - $7. An optional Vox VFS2 foot switch is used to control the reverb and tremolo. But yes, that part is gooped over. I own quite a few amps and two of them have been mentioned in this thread, the Vox AC15 and the Vox AC4TV, both of these amps deliver the Clapton tone and more for a very reasonable price. Each will take a slightly higher degree of Brightness away and will warm up the amp some, remove any harshness, and smooth out the overall distortion. In fact, it takes about 6. The Hartke Tone Stack controls are also labelled Bass and Treble, but the enhanced. These mods should work with any amp that uses a tube preamp with a standard 500k-1M ohm Volume or Gain control. The Baxandall tone stack (also known as James) is a classic circuit more commonly found in hi-fi designs. I did just get a little Vox AC4C1 that I really like. ( Quiet as brand new now!). with volume. This was sort of like a Vox top boost configuration but with the 5725 pentode as the first gain stage. You can still get some hair, and it sounds better than that splatty LED tone. The Grey Stache with Clean Blend Mod from Fuzzrocious is based upon the GGG-tuned and Civil War variants of a muff fuzz, forming a versatile bass- and guitar-friendly beast. So since I did a layout for the Tubeworks 903 I thought to myself if it's basically a tube pre-amp I thought why couldn't the tone stack be modded to that of some legendary amps. I'm telling you it's a totally different amp. Les Paul Lover Duke of Orange Posts: 6779 Joined: Tue Aug 18, 2009 9:08 am Location: Derby, England. The tone controls work exactly the same way as the actual amp, where the more the treble and bass increase, the more scooped the mids become, making it capable of being quite hollow and jangly. 4 - they have made the Normal channel fairly useless in tone (way too dark or way too bright) and limited its max gain. It is regarded as a high-quality, simple and portable tube amp for stage or studio use. This is a good stack, but it differs very much from the style used in Fenders and Marshall’s and most all other amps that copy those. 2014 Tweed Blues Jr. Just a Vox, Strat and mod delay. But the most awesome thing about it is actually the gating. Guitar Amplifiers. Typically, the 'Treble Cut' control is a 500K/1Meg potentiometer, with a. *Added Mids knob: This added knob gives you FULL control of the Pedals Mids. "post" means the tone controls are after the "Gain" distortion. There appears to be other derrivatives such as the 5879 blues amp, carolina blues rocket 5879, crazy vox 5879, and the hoso 56!. Oh, and the most important part, the Herdim blue pick. my goal in this is a fatter sound as opposed to. The next consideration is the tone stack. Re: Vox AC30HWH noisy top boost section « Reply #5 on: April 14, 2019, 12:54:09 pm » If the noise appears on the plates of the PI, and isn't on the output of the previous stage, that means it has to somehow arrive from the PI, it could be 'sourced' in the other areas though. I biased up a set of Gold Lion KT66's for this one. Jeff was able to diagnose and fix the AC30 in a couple of hours (merely a few bad caps and resistors in the vibrato circuit and tone stack), but the amp's origins remained a mystery. Deep Pull-Switch on Bass. amp's guitar speakers. Caps on the gain pot are 2000pf and 4700 pf. 3 - Vox went with a 56pf treble cap in the tone stack (C16). An optional Vox VFS2 foot switch is used to control the reverb and tremolo. It's one of Blackstar's selling points for their amps and they even had it patented (they had to patent *something* to brag about 🙂 ). He recorded the guitars and bass with it. 00 shipping. I used a modified Vox tone stack since we only had bass treble and no mid control. 3: 07/09/2006. with Johnny about some mods to the tone stack. The Orange is great but it is hard to get a clean sound out of it. Splitting sections of the tone stack either side of a stage prevents interaction between them. AFAIK, the 3dB cutoff point of the Vox Tone Cut circuit is right where the high end of the Retro 30 and some other classic 12" Brit speaker comes back up at ~3. Compare prices & save money on Musical Instrument Effects / Processors. Seymour Duncan. The amp sounds fantastic out of the box but with a couple of simple changes it can be amazing and sound closer to the old 1960's AC15. The Persuader from MOD Kits DIY (available at modkitsdiy. Korg have extended their summer apps and software sale. I was looking at some of the 18W threads and mods as well. It’s also easier to tailor to high gain dirty amps and clean tone amps by varying the TBM tone stacks. All parts required for the conversion are included in the kit along with detailed picture instructions. R7 1M 100k Remove 220K R8 2. Here are some common tone stack circuits, courtesy of monster. 4 watchers. Then I fixed the tone stack with correct values for a big muff tone stack. Placing the treble control after a stage would prevent it interacting with the bass and mid controls. Those that do are quite attached to it. You don't have disassemble anything else. A couple weeks ago I got a Vox ac15c1. if you match it with some blues you'll get pretty close depending on how you eq it. Here a video comparison of a stock Satchurator and my modded Boss SD-1. Oh and feel free to compare the night train to the AC15. By Manish Kumar, MPH, MS. Swapping the 100k resistor for the 220k makes most of the signal pass through the 250pF treble cap. The Sola Sound Tone Bender, first designed by electronics engineer Gary Stewart Hurst in 1965, was the first British-made fuzz pedal, and was based on the Gibson-built Maestro Fuzz-Tone. 1, High Voltage Pre Mod2, Standby Switch Mod3, Switch Craft Jack Mod4, Basic Green Board Upgrade Kit ModsBasic upgrade kit mods include Tone Stack, Bias Control and Power Siffener Mods. Preamp tubes are JJ 12AX7's known for low noise and linearity. Another use for the Element could be in a recording studio, where all manner of signals could easily be given a range of spring reverb treatments for some vintage ambience. Unleash the tone of your Vox AC15C1 with the complete mod kit from Fromel Electronics. VOX has also added a new and unique Hot/Cool switch. It can get very loud. For around £469. x, version 2. Compare prices & save money on Musical Instrument Effects / Processors. 00 Add to cart; Marshall 18 Watt 2×10 (Clone) Read more; Marshall JTM 45 Clone (Half Stack) Read more; Mesa Boogie Subway Blues / Mesa 1×12 and EV 1×15 $ 1,400. Except my little Vox SS Pathfinder I use for recording. Vox Brian May AC30 review The most authentic Brian May tone yet, but be warned, it's very loud indeed £1599; $2999; By Music Radar Team 15 November 2007. Here is the classic James Tone Stack as used, for example, in the 120-watt Orange Graphic. With the TS there, once the preamp is overdriven, the tone controls loose a lot of their effectiveness as later gain stages clip the signal. It takes an enormous number of electrons to equal one coulomb. Splitting Strat tone controls into two different ranges with separate caps Different tone cap values on each tone pot. 3 - Vox went with a 56pf treble cap in the tone stack (C16). We listened. Page it's definitely a nice little amp. I switched out the stock speaker for a Celestion Blue, added a Tone knob (which I think the new version has stock) and did some sort of bright mod? I've also read about a ac30 tone stack mod. Option 1: Small 9v battery-based amp with gain, tone, volume controls (more controllable than Little Gem/Ruby by way of using simple preamp for distortion and LM386 for power amp rather than LM386 for both) Option 2: TL072-based preamp with Vox style tone stack (treble and bass controls), gain, volume. Burgaw, NC 28425 Phone: 910-259-7291 Fax: 910-259-7292 Call Us: 800-927-6656. I'm telling you it's a totally different amp. Presence control - used to adjust the high-frequency response and damping factor of the power amp section. Deep Pull-Switch on Bass. I am selling a Rare Mutron C-200 Wah Volume Pedal. Crude 'Tone' control is actually 'Treble Cut'. Prince, Tom Petty, Steve Winwood, Jeff Lynne and others -- "While My Guitar Gently Weeps" - Duration: 6:16. The Jumbo Tone Bender and the 3-knob Foxey Lady are also similar to the Big Muff, so check those out for ideas. Baby & children Computers & electronics Entertainment & hobby. Wampler Distortion Plus Mods A while back Brian Wampler shared a bunch of mods to the classic MXR Distortion Plus circuit in Premiere Guitar magazine. On Channel 1, with the Boost engaged, the Tone-Stack is bypassed. While the amp stock has one EL-84 tube, the mod kit adds an additional 6V6 tube that gets blended to increase power. The Cool Mod also alters the Normal Channel tone stack with a change from a 250pF to a 330pF Treble cap which boosts the mids and allows the Treble tone control to reach deeper into the mids. Share Thread. You can carefully snip the LEDs out and that channel will be louder and cleaner. The Vox AC15C1 is an excellent low wattage combo amp with supple features and a welcome compact size. The P15SMR was a limited production item and disappeared from the Vox line in early 2004. With the mids pulled back, the amp does an excellent imitation of a vintage Fender blackface, with its deep scoop and well-defined lows—things you might not expect from a class A combo. The Vox AC30 has always been considered a ‘pure’ Class A design, and is the first example offered when someone inquires about what a Class A amplifier ‘sounds like’. The Plexi value is 470R if you do not have the Plexi version you will need to change this. The tone stack is one of the main things that gives an amp its particular voice, as it shapes the frequency response pretty drastically. On amps that do analog modeling, the tone stack is one of the sections of the amp they switch out. - Star Earth - The Stock Earth/Ground Paths on the PCB are a Mess and run all over the place in different directions. This circuit has no middle control. The tube screamer circuit got a common bass boost mod so it doesn’t sound so utterly congested. STACK CRUNCH - Original BOSS amp PRO CRUNCH - Original BOSS amp DELUXE CRUNCH - Fender DeLuxe Reverb VO DRIVE - Vox AC-30TB Drive sound VO LEAD - Vox AC-30TB Lead sound MATCH DRIVE - Matchless DC-30 left input. yesterday i changed out the tung sol and sovtek tubes my amp guy had put in there over a year ago. Manufacturer Video. When Marshall copied the Fender 5F6-A Bassman almost verbatim to create the JTM45 amplifier the Fender TMB tone stack came with it and it's still being designed into new amps today. good power attenuator. I also installed a MV mod in this amp head which makes it ready to rock at any volume you wish. Because this type of tone stack really loads down the guitar signal being able to eliminate the tone stack is a valuable option. The ultimate surf guitar tone has several elements: a guitar, the amplifier, reverb, tremolo, and vibrato, but the sound starts with the guitar itself. I used to work so hard to try to get The Edge’s tone, I never realized how easy it was. 6x10-19 coulombs (-1. Vox is a general interest news site for the 21st century. With two channels, as well as normal and top boost, the Vox AC30 is perfect for crafting your tone on stage and in the studio. Super sleek. Rock/ Jazz - tone filter Boost - tone stack bypass Local feedback on gain stage Mid control. Removing the bright cap from the top boost channel definitely is a good mod. There is always a fairly large signal drop in a passive tone stack - anywhere from 6 dB to 30 dB of loss occurs. Tubeworks Real Tube 903 Modded Tone Stacks So as most of you guys know when I'm studying for exams I tend to do a bunch of layouts when taking breaks to keep my sanity. I was looking at some of the 18W threads and mods as well. The amp is beautiful and nicely made. Cabinet suggestion: 1x12 or. Achieve the sound and tone you're searching for with Fender's redesigned Mustang Amp and the new Fender Tone app. With the distortion available, it feels considerably louder than a cleaner amp, such as the 4W WF-55. I recently made a couple of simple mods to my AC15HW1 amp. Another common mod is changing the Tone Stack's treble tone cap. https://velomusic. Tone stack loc. If I were you, I would just replace the Bandax tone stack, or whatever the hell its called that is in there, with a fender 5F2a tone stack. 00 plus another $20. One of the weakest points in the AC30 assembly is the lead dress for the output transformer. It's really a tone cut like on a Vox AC30 located in the power amp, filters high end in the signal. What follows is a retrospective journey of me and my Vox AC15 amp. Dumble hrm Dumble hrm. Charge is measured in units of coulombs. That is where many amps get their distinctive sound. Tone-Stack includes 6 classic amp tones as well as a cabinet switch and tone modeling controls for precise control over your screaming guitars, bass, synths, vocals and beyond. 0 / 5 by 20 customers!. The unit also has 5 tone settings to allow you t. The tone controls work exactly the same way as the actual amp, where the more the treble and bass increase, the more scooped the mids become, making it capable of being quite hollow and jangly. 4) Tone stack and volume control Here we will put volume control after tone stack and first tube stage so you will be able to overdrive input tube and still control volume. The RAT Modified Treble, Middle and Bass Controls will sweep from 'Zero-to-Max' on each Frequency. The tube screamer circuit got a common bass boost mod so it doesn't sound so utterly congested. The ADxxVT settings thread! I've noticed quite a few of you use the ADVT series, and I do too. (the real UK) Vox kept the real schematics secret. 25uF capacitors in the tone stack, and the. Install a presence bypass or switch (I just bypassed it, a switch would be better) akavalve: Fender Champion 600 Presence Plus Mod. 2014 Tweed Blues Jr. The wah has some cosmetic scratches. Classic 10. I changed the values in the distortion plus part of the circuit to stock d+ values with a bit more low pass filtering. This is the standard Fender/Vox/Marshall tone stack. The amp is very similar to the epiphone valve jr but with a different tone stack. This is a great mod for pretty much any amp with a TMB (treble mid bass) tone stack. We sometimes had to try several different component values to get the tone just right. The top cabinet has the top two loudspeakers angled slightly upwards, giving the Marshall stack a distinctive appearance. Cheers Alan H First Previous 2-11 of 26 Next Last Delete Replies Reply Recommend Delete Message 2 of 26 in Discussion From: Charlie Hall Sent: 08/02/2008 10:34. i had the ac15c1 modded by my local amp guy and changed out the tubes and it's a dream to play. A couple of suggestions: The clean channel tone stack is kind of a Vox thing. I did the bright cap mods and the ac30 tone stack mod and. In some cases guitar amps have a more flat response than a Fender or a Marshall. After studying the magical and mystical Dumble Amplifier, the pedal was designed to emulate the tone stack used in the actually amp. 6x10-19 coulombs (-1. It offers a wide range of useful EQ curves that shape the tone at this point in the preamp signal flow. Suitable upgrade/ replacement for the Vox™ AC30CC series amp. *Upgraded vintage transistors for a smoother Fuzz tone that also allows the pedal to breath and hold more dynamics. The Tone Bender featured two controls: Level and Attack, and a. For GA-5, B+ needs to be under 300V. based on compensating for tone stacks found in typical Fender and Marshall Amps. Vox put a similar control across the output tubes. Do get a matched set for the smoothest most balanced tone. Whether you're looking to replicate the sounds of your heroes or planning on developing something entirely your own, plugging into a Vox is the best decision any. Thirty two circuit variations are available, providing a wide range of tonal character in a single channel format, powered by either two 6L6 (for a more American vibe) or two EL34s (if you fancy a bit of Brit). This parameter defaults to a value for each type but can be overridden if desired. This kit addresses a number of issues with this amp by improving the reverb, reducing noise and hum and revoicing the tone stack. i had the ac15c1 modded by my local amp guy and changed out the tubes and it's a dream to play. Familiar controls for gain, presence, and the three-band tone stack let you dial in sounds quickly, while essential effects parameters are adjusted with a simple knob twist. Do the following mods for a more vox ac-15 sound: * R3=220k * C12=1200pF (ie 1. Effects Pedals for Guitars Narrow Results. One of the weakest points in the AC30 assembly is the lead dress for the output transformer. Unleash the tone of your Vox AC15C1 with the complete mod kit from Fromel Electronics. - Power amp power supply to EL84 power valves beefed up to prevent overheating and also to reduce the bias and stop the valves cooking which is an issue with these heads. "PRE" places the tone stack at the input to the amp, "POST" places the stack between the preamp and power amp. The Fender/Marshall/Vox TMB (Treble Mid Bass) tone stack has been around since the 1950's and has become a staple with Fender and Marshall amps. Tone Stack mod5. The EQ is much improved, extending capabilities to achieve the BF Fender, Marshall, and Vox tone characteristics, coupled with PPIMV and MAZ 18 features. Another use for the Element could be in a recording studio, where all manner of signals could easily be given a range of spring reverb treatments for some vintage ambience. This entry was posted in gear and tagged amp, celestion blue, guitar, mods, NOS, speaker, tone, tubes, Vox AC15 by Michael Cunningham. Price: $22. The versatility provided by this setup. It’s a typically ‘British sounding’ amp, with a bright tone full of harmonics when overdriven. Unofficial Windsor Studio mods thread vox). I made it so it can go from a somewhat clean transparent slight boost, to a heavy fuzz with a lot of boost, and can be scooped, flat, dark, bright. People began to refer to these amplifiers as AC30TBs. True to form, the Top Boost channel delivers the legendary AC30 sound with a fully interactive tone stack. The power tubes can make a decent change in the tone also, but I don't have any experience with the NT15H power side. I improvised something that works well. Brand Search. Tone Personally, I don't like it kaya this pedal will undergo major surgery sa mga susunod na araw. With all three knobs at 0, no sound will come out. I've just never been able to dial in the right amount of low end on this amp and was hoping this mod would help me begin to remedy the problem. 99) Find great deals on the latest styles of Vox guitar processor. Vox amps share a lot with Fender but have a reputation for even more shiny clean tones with very treble-intensive sounds. 10W Classic 10 uses a 6L6 with volume, tone and boost controls. by adapting the Vox model). Do the following mods for a more vox ac-15 sound: * R3=220k * C12=1200pF (ie 1. I modded the Normal Channel in my 5E3 to insert a Blackface Tone stack, tweak the first triode, and inserted some Negative Feedback.
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