Pioneer SA-7400II
¥ 34,800 (around 1979)
Commentary
Pre-main amplifier with independent power meter on left and right.
The large power meter can be read directly from 0.01W to maximum output without switching by the logarithmic compression circuit.
Uses a push-switch type speaker selector.
Model Rating
Type | Stereo pre-main amplifier |
Effective output (both channels driven, 20 Hz to 20 kHz) | 35W + 35W (8 Ω) |
Harmonic distortion factor (20 Hz to 20 kHz) | 0.08% (at effective output) |
Output Bandwidth (IHF, double-channel drive, 0.08% distortion factor) | 5 Hz to 40 kHz |
Phono frequency characteristics | 30 Hz to 15 kHz ± 0.5 dB |
Signal-to-noise ratio | Phono:78dB |
Power supply voltage | 100 VAC, 50Hz/60Hz |
Power consumption (Electrical Appliance and Material Control Law) | 90W |
External dimensions | Width 420x Height 147x Depth 274 mm |
Weight | 6.4kg |