Conrad JohnsonMF-80Conrad Johnson MF-80Conrad Johnson MF 80 Solid State FET amp in good condition. Tiny mark on front plate, small scratch on top. Ran for 4+ hours, checked out by my tech, results are included. Tech disassembled amp,...549.00

Conrad Johnson MF-80 [Expired]


no longer for sale

Conrad Johnson MF 80 Solid State FET amp in good condition.  Tiny mark on front plate, small scratch on top.  Ran for 4+ hours, checked out by my tech, results are included.  Tech disassembled amp, cleaned contacts, speaker jacks, main power supply caps, power supply fuse holders, etc. Loosen, clean, and retighten output transistors.  Checked distortion and all well within spec, even with heat sinks hot.  AC ripple across power supply caps well within spec.  Distortion checked with hot heat sinks, L 0.138%, R 0.146%.  One of the top recommended SS amps for a natural tube like sound in its day.  80W/ch at 8 ohms.

davesaudio1 member since November 2017

 
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