4/10/2023 0 Comments Mosfet ipulse speaker driverBut dialing the trimmers back to zero then cracking them up a wee bit at a time (they effect different frequencies) I have them "maybe a skootch less than 1/4 way open" and now the gain is warmer, fuller, more organic and LESS. (Not unlike the CowPoker, they have the same philosophical roots). WOW that changed the whole nature of the pedal for me! The way I had it originally set it was an aggressive trebly distortion. So he recommended to start at zero then dial up to taste. Well turns out according to Robert that they're really mini gain trimmers, as opposed to bias trims. I had originally biased the Drain legs of the BS170's to 4.82v. So I was chatting a little bit with Robert about the biasing, I thought that the trimmers were to bias Q1 and Q2 (I mean I think the build doc actually says "BIAS"). (To be fair neither do any of the other Tube Driver emulations I've built heh.) So does it sound like a BK Butler Tube Driver? mmmmmmmmmmmno.not really, but it's a GREAT sounding pedal! It's a fairly simple build and went together quickly. So barely was it out of the hot little vacuum pack before I started putting together the parts to build it out. It came in the mail today and it just so happens that I had an enclosure already drilled for it (from my failed 4 Knob Celestial Drive build.) knew I was waiting for it come back and so he sent me one when they arrived. But this Mosfet Drive board has been out stock for a while now. The PedalPCB Mosfet Drive, take on emulating the BK Butler Tube Driver. Since building the Cattle Driver, I've built the Grover Drive, the Cowpoker, and now adding this to my list. I've become fascinated with the TD-X, the Tube Driver-like overdrives. Little did I know the rabbit hole that pedal would send me down.and I'm still working my way out hahaha. It was a purely impulse buy after learning it was a clone of the Buffalo FX TDX, which is a solid state clone of the BK Butler Tube Driver. So when I built the Cattle Driver I had no clue what it was.
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