With the files that i attach here is very easy to find the components on the PCB. I want to check the values of R7, R8, R12, R14, C3 on other units.
Bk butler tube driver 911 drivers#
If anyone there has one of this early tube drivers please post the guts.
Bk butler tube driver 911 driver#
Heart of the Tube Driver is a real hand-selected 12AX7 tube by BK Butler himself. But i would maybe change R14 and R12 to the old values and listen what happens. Known the world over for creating the Eric Johnson violin tone and as one of two main pedals used by David Gilmour. The new RI version is better than the old one regarding PWR Supply, noise etc. > C3: Was not identified on the guts pictures. Bk Butler Tube Driver Discussion in 'The Effect effect' started by ChrisD, Feb 12, 2012. It’s kind of like having a section of your amp right in a pedal. > R12: increased from 10k to 22k in the new RI Edition. The Tube Driver houses a preamp tube and it generates distortion by overdriving the tube rather than conventional pedal methods. YOU CAN HEAR SMOOTH SINGING SUSTAIN PRS Santana MD,mercury magnetics,tran and chok. Was this unit moded for lower gain tubes? "Tube Driver" can you please measure the bias voltage in both R7 and R8? BK BUTLER TUBE DRIVER PEDAL WITH BIAS CONTROL HIT AT ABOUT 1 MINUTE IN. This is the original model, designed by BK Butler, built by Chandler. The Tube Driver is not an extremely versatile pedal but what it does it does very well. I found this one at Guitar Resurrection in Austin, Texas. > R7,R8: From the pictures the plate resistors look like 6,8k. The Tube Driver is a legendary pedal used by players like Eric Johnson, David Gilmour, Kenny Wayne Shepherd and many more. Maybe 2,2k works better when one rolls off both the Bass and High a la Eric Johnson? Several people reported that the tone stack reacted different on the new version vs. > R14: On the new RI version it increased from 2,2k to 22k. The most significant differences compared to the new RI edition are: Butler hand builds and sells them on Ebay. Max gain is on the order of x500, and a log pot is used (using patent schematic), instead. If you haven’t played through a BK Butler Tube Driver, you are missing out. However, the DRIVE control is controlling an op amp distortion stage with loads of drive. This pedal does indeed include a real 12AX7 tube inside the enclosure. The later versions had 3-prong, grounded cords.As promised here is the schematic of the early tube driver traced from the guts posted on this thread. Schematic image found in the (expired) U.S. My 901 pedal has the old style, 2-prong, non-polarized power cord (think lamp cord). This is the real deal signed by BK Butler with all paperwork and original box with original packaging. This is a barely used BK Butler Tube Driver in mint condition. To me, this supports the Lentz suggestion. OKKO Diablo Boutique Overdrive G BK Butler Tube Driver with Bias Knob- 2014 2014 model. On my Real Tube pedal, every one of the pots was scratchy in the region where they were likely to be set during use. While I had it apart, I took the opportunity to spray the potentiometers with a bit of Caig Calilube and it removed the scratchiness from all but the gain control (I suspect that another treatment with Deoxit or Calilube will fix it completely).Īs a side note, there was recently some dialogue on this forum regarding Lentz guitars' suggestion that pots be set to zero when guitars are not in use. Question: Is there any downside at all to using a 12AU7 in terms of damaging the circuitry, electrical safety, etc.? Cette pdale est conue pour fonctionner avec une. Clone fabriqu la main, avec des composants slectionns. I replaced it with a NOS Sylvania 12AU7 and it made a huge difference in terms of bringing the gain down to usable levels. Vido test de la pdale clone du Tube Driver, ralise en 2006 par BK Butler. It came with the original Tube Works labeled 12AX7 tube installed and for me the gain was so high as to be unusable. I'm in the process of figgerin' it out and I've got some comments and questions.
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