Marantz PM-80

Name: Marantz PM-80
Brand: Marantz

The Marantz PM-80 is an integrated amplifier from the late 1980s. It sat in the middle of the Marantz lineup of that era. It was designed to pair with the Marantz CD-80 compact disc player, and owners frequently mention running the two together.

The PM-80 is rated at 100 watts RMS per channel into 8 ohms, with total harmonic distortion listed at 0.008%. A 1993 review in HiFI-Stereo (February 1993, p.89) lists it as a 100-W/ch integrated amplifier. It uses a High Current power amplifier design and puts Marantz's HDAM (Hyper Dynamic Amplifier Module) in the preamp section. Owners consistently point to the HDAM when they describe the amp's liquid, natural vocal reproduction. The preamp section is also separately shielded internally. The front panel carries bass and treble controls, a balance control, a loudness button, and a Source Direct switch that bypasses the tone circuitry entirely. One owner calls the tone controls "pretty much useless since Source Direct bypasses them and sounds better anyway."

Owners talk about build quality a lot. The faceplate alone is said to weigh several pounds, and the amp is frequently described as exceptionally well constructed.

Inputs are phono (MM), CD, tuner, and two tape loops, with matching tape 1 and tape 2 outputs. Signal-to-noise is rated at 85 dB on MM phono and 105 dB on line. Damping factor is 80. The unit measures 438 x 126 x 320 mm and weighs 10.4 kg.

Like many vintage amps, the PM-80 has a couple of well-known failure points. The volume pot develops static and crackling, and multiple owners report that cleaning it with DeoxIT fixes it. The power switch is also considered a weak point, and some owners recommend a relay-based soft-start replacement. The double-gang volume pot is hard to source as an exact replacement. The main filter caps are getting difficult to find too, though Nichicon 10,000 µF units are reported to work as substitutes.

No original launch price or exact production years have surfaced in the available documentation. Period classified listings show functional examples trading around €450.