Bk butler tube driver true bypass schematic

When engaged, it sends your input signal to an effect or chain of effects or some sort of signal processing. What other items do customers buy after viewing this item. This kit is a creation by th custom effects in cooperation with. Butler started making the 4 knob tube drivers again as a production model under the tube works brand around 199394. Real tube by tube works other than one being in super cool enclosure, and the other in a buttugly enclosure, the 4 knob 911 tube drivers and 5 knob real tube versions are basically the same patented b. Hi andrea, i have the bk butler tube driver with bias mod as well, i use a.

An example of a buffer in the circuit of a nontruebypass stompbox can be seen in the original schematic of the blues breaker and in all boss and ibanez pedal schematics. Original effect designs complete with verified schematics, layouts and instructions. Armed with the knowledge you just learned, we can see that the signal enters and leaves the switch on the poles middle lugs. In this case the output signal is muted just before the relay is switched off to prevent any popping noise caused by this. Use one channel as a true bypass looper, use the other as a. Apparently he rejects over 60% of all new tubes he uses. Compatible with all electric guitars and amplifiers. Im referring directly to the rt901 schematic on the revolutiondeux site in the dean markley overlord to b k butler tube driver article, which i am assuming is what this was based on. David gilmour of pink floyd was seen using two 1980s tube drivers in the studio and on tour in. Ive got an 80s bk butler blue tube rack unit and the last time i pulled it out of my rack, i tried swapping about 4 or 5 tubes to see which sounded best. My alltime favorite od pedal so far though, is the bk butler tube driver i cant say enough good stuff about that pedal. This might be a silly question but is the tube driver buffered bypass. Butler also sold his pure tubereal tube circuit design to other companies.

Its kind of like having a section of your amp right in a pedal. Use it to preserve the tone youve worked so hard by to achieve by adding true mechanical bypass to your nontrue bypass effects. This was used in a lot of the old stompboxes because spdt foot switches use to be less expensive than dpdt or 3pdt foot switches. The signal then goes to the bypass footswitch and then is phase inverted at the. All project were freely contributed by members and cannot be used for commerciall purposes without consent of the respective owners of the. On the new tube drivers, both david gilmour and eric johnson use ei. I would post a link here, but im pretty sure thats a nono. A true bypass looper has an inputoutput and a sendreturn.

Is it actually different from the baja schematic of the bk butler td reissue. Bk butler tube driver txba gear index texas blues alley. Check out these unsolicited customer videos on youtube. And the newly updated tube driver itself with the bias mod. Check out the bypass, the circuit is connected to the signal chain even. Discussion in the effect effect started by mercutio93, apr 24, 20. The tube driver houses a preamp tube and it generates distortion by overdriving the tube rather than conventional pedal methods. Butler designed tube driver circuit with some component differences. Baja b k butler tube driver original effect designs complete with verified schematics, layouts and instructions. Bk butlers original hand made tube driver guitar pedal used by eric johnson, david gilmour, billy gibbons, joe satriani, kenny wayne shepherd, robbie krieger, and many other pros.

When i first tried it i thought i remember the pedal. The tube driver is an overdrive with real tube sound. The basic idea of a true bypass box is to leave the original stompbox untouched and to add true bypass as a kind of add on function. Based on bajamans schematic i created a layout with wiring for the tube pins since i cant imagine a tube socket fitting neatly on a piece of vero board. Buffered bypass helps combat most of the issues that guitar players experienced with true bypass, mentioned above. This processed signal then comes back to the looper via the return jack and is then sent. Sep 02, 2014 the tube driver is not an extremely versatile pedal but what it does it does very well. Used bk butler tube works tube driver effect pedal. Bk butler tube driver tubes discussion in effects, pedals, strings. It does away with the tube and replaces it with solid state circuitry.

Used bk butler tube works tube driver effect pedal guitar. Mxr noise gate line driver 1979 mxr power converter. The mutebeforeswitch true bypass version we can also use the extra ports to control additional parts in the circuit which do something special. For the bias control my favorite settings are maximum for gilmour tones and 10 notches below maximum for my original tones, which is roughly 2. If you havent played through a bk butler tube driver, you are missing out. Hi bk, i got the tube driver with bias last week and was too busy to test it out. I have a 4 knob bk tube driver with bias control that i bought is new condition.

Build yourself a good sounding true bypass box or strip to convert your stompboxes into true bypass devices. I made the 903 which has the mid control and also made it true bypass. This ones inspired by the bk butler tube driver made famous by david gilmour and a few others. Many bypass switching options general guitar gadgets. Find great deals on ebay for bk butler tube driver and bk butler tube driver bias. As a general rule it sounds better through a marshall or similar amp rather than a fender, although mine gets a great tone through my blues deluxe. Build your own clone ab true bypass looper kit instructions. Overall in great shape considering the age of the pedal. I also have a realtube bk butler driver here to compare my build to, and it is silent. Use it to switch between two entirely different fx loops. The switch will then either let the signal just jump over to the output side and on to the output jack bypass, or pass through the effect circuit before being. Need help, bk butler tube driver fender stratocaster. The tube driver is not an extremely versatile pedal but what it does it does very well.

The real tube includes a mid range knob, allowing for a wider range of tones to be dialed in. A true bypass looper with two channels in one small box 4. Hi andrea, i have the bk butler tube driver with bias mod as well, i use a nos yugo real tube tho 12ax7. A tube is not included in the kit, you can select it suitably to your project. The simplest form of bypass switching is a non true bypass switching with a spdt switch. The knobs shown on the photo are not included in the kit.

I found this one at guitar resurrection in austin texas. As a general rule it sounds better through a marshall or. Bk butler tubeworks blue tube bass driver whos using. This pedal is legendary, used by eric johnson, kenny wayne shepherd, david gilmour, and many. Bk butler tube driver by groovenut 28 may 2015, 04. Non true bypass with led, circuit input unbypassed.

Need help, bk butler tube driver fender stratocaster guitar. I like to have mine with true bypass pedals only or at least with. This is the true bypass wiring in its most basic form. The most recent posted schematic appears to be more accurate than the previous ones based on my old tube driver. Mxr fet driver true bypass overdrive tube amplifier effect pedal m264. Need help, bk butler tube driver discussion in the effect effect started by willeycaster000, jan 31, 2016. Dear bk, gday there bk, just got the tube driver in my hot lil hands this morning. With this kit you can build both variants written in the docs. This is the original model, designed by bk butler, built by chandler industries with the power supply built. The passive tone circuit hangs a high impedance signal on the output, so changes in.

Skip to main content skip to footer site5112800493 used 112800493 in store used used bk butler tube works tube driver effect pedal. The way a true bypass looper works, and the way an ab box works are pretty simple. The butler system schematic is a pictorial representation of the butler system and its various components. Nobels odrmini natural true bypass overdrive guitar effect pedal with. The tube driver is a holy grail type pedal, but many people, especially younger players, have never heard of it. Hey, i have a butler blue tube pedal similar to the tube driver that runs off ac power. It adds a whole other dimension and is hard to imagine the pedal without. Vintage bk butler tube driver overdrive, with real tube inside for true valve bite. View online or download butler tube driver blue 2150 owners information. Tube driver original by bk butler with bias control. Its essentially a rat with soft clipping and a 2band eq stuck between a buffer and an extra gain stage. The tube driver has a buffered, high impedance input, but no output buffer.

Able to organically create the tone of a tube amp at the point of breakup, the tube driver has been loved by guitarists since its inception decades ago for that allnatural tone and feel. Special 5th knob bias mod information butler audio. Used bk butler tube works tube driver, vintage tube overdrive pedal from the 1980s. Save tube works tube driver to get email alerts and updates on your ebay feed. Alongside putting an end to the notorious popping issues and letting long delay and reverb trails soar even after the pedal is turned off, buffered bypass also helps combat the problem of quality loss. Aug, 2012 i also have a realtube bk butler driver here to compare my build to, and it is silent.