Ace Tone FM-2 Fuzz Master - SN 0004954 just listed Required a new pot and

Required a new pot and jack socket - neither affect the tone - suspect the other jack socket has been changed in the past

as opposed to the 60Hz in North America) you will get a humming sound from the motor – this is a physical hum rather than audio hum and does not affect the operation of the machine

A Gristleizer effect unit for sale in near mint condition and full working order

The case is very clean with minimal signs of wear or age

Re-badged Shin-ei FY-2

Ace Tone FM-2 Fuzz Master - SN 0004954 just listed Required a new pot andUncommon 1960s Japanese guitar pedal. This is the one: a true fuzz monster. Serviced and ready to ship.