Mono Acoustic Sleeve Ash Klon The removable PCB is a

The removable PCB is a simple boost circuit that can be built into a separate pedal or incorporated into the Circuit Fuzz itself

Taking the process a step further

set the Subharmonic Root Switch to Oscillator and try not to look away as the sonic malware you just installed mangles your input signal into the sum and difference of both the Master Oscillator and Subharmonic with the Frequency Modulator applied to the upper and lower octaves

1960(Marshall 1960A 412)

NPN design using rare and proper gained silicon transistors for tonal uniformity with a unique "sweep" control that pans between bass boosted to treble boosted

Mono Acoustic Sleeve Ash Klon The removable PCB is aAcoustic sleeve Ash