Pure Class A 20W amplifier PCB MF A1 1pc w/TO-3 heatsink mount !

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This is a bare board of a high-end pure class A amplifier ( one channel only). The design is reference to MF's legendary A1 power amplifier. Although it was launched 20+ years ago, it is still among the best of class A solid state amplifiers in terms of musicality.

This listing has included two pieces of thick aluminum mounting of TO-3 power transistors to heatsink.

This is an auction for one channel of amplifier PCB. To form a stereo amplifier two PCBs are needed. 


PCB dimension : 210mm x 52mm. 

This listing is for one channel of bare PCB. The assembled amplifier picture is for reference only.

We provide part list ( BOM) to the buyer via email.