BK Butler Tube Driver (1989)


Japanese Guitar Effect Schematics



Tube "driver" ... 


Compression / Distortion ?


Compressor / Soft Distortion 

Rockin / VCF PCB
 
 
 
 


 Auto Pan PCB
 
 

 Stereo Box ?


Super Ring Modulator 




 TC Preamp w/ PCB





2 Channel Mixer


 
Noise Gate w/ PCB


BBD Delay PCB





Alembic Boost PCB




Harmonic Exciter












Guitar Synth