GA-31A MM assembled & tested


GA-31A MM assembled & tested

MM RIAA Phono Amp, Voltage amp stage using 4 pieces of 6922/6DJ8, input stage is using LM394.
The sound of GA 31 Phono kit is relaxed atmosphere, rich layers; it can be very good with your MM phono.
board size: 230mmx155mm
(tubes, case and power transformer not included)


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