The rat 1979-81 Rat serial proco Proco rat serial 81000 vs 87000 vs 93000
Proco audiofanzine distortions Simulating the proco rat distortion pedal in ltspice
Proco RAT Serial 81000 vs 87000 vs 93000 - YouTube
The RAT 1979-81 - ProCo Sound The RAT 1979-81 - Audiofanzine
Simulating the ProCo RAT Distortion Pedal in LTSpice