Pioneer QM-80
¥ 62,000 (in the early 1970 s?)
Commentary
A 4-channel power amplifier that uses all-stage direct connection complimentary service OCL circuit.
The protection circuit is a combination of a relay and an electronic circuit.
Equipped with 4 independent power meters.
It can also be applied to 2-channel 2-way multi-amplifier.
Model Rating
| Type | 4-channel power amplifier |
| Circuit system | All stages connected quasi complimentary service OCL circuit |
| Music Power (IHF) | 200W (8 Ω) |
| Effective output (4-ch drive) | 25W + 25W + 25W + 25W + 25W (8 Ω, strain rate 0.5% or less) |
| Harmonic distortion factor | 0.5% or Less (1 kHz, 2 ch Drive, Execution Output) |
| Frequency characteristic | 5 Hz to 80000 Hz, ± 1 db |
| Output Bandwidth (IHF) | 10 Hz ~ 50000 Hz (4-ch Drive, 8 Ω, Distortion Factor 0.5% or Less) |
| Input Sensitivity / Impedance | 0.5V/70k Ω 1V/110k Ω 2V/170k Ω |
| External dimensions | Width 430x Height 145x Depth 337 mm |
| Weight | 11.5kg |