AIWA S-A22
¥ 21,800 (around 1979)
Commentary
Pre-main amplifier of mini component my Pace3 series.
A 2-stage differential SEPP circuit is used.
Cascade and current mirror circuits are used in the preamplifier section.
The final stage reduces the second harmonic distortion with the SEPP complimentary service output.
Equipped with a 5-point LED power indicator that displays the total power of both channels.
The tone control circuit uses NF type.
Equipped with a loudness control.
Model Rating
| Type | Pre-main amplifier |
| Circuit system | DC Configuration |
| Output | 18W + 18W (8 ohm, EIAJ, 5% distortion) |
| Input Sensitivity / Impedance | Phono : 2.5mV/47k Ω Tuner, Aux, Tape : 150mV/47k Ω |
| RIAA deviation | ± 0.2 dB (20 Hz to 20 kHz) |
| Phono maximum allowable input | 150mV(1kHz) |
| Signal-to-noise ratio | Phono:80dB Tuner, Aux : 95 dB |
| Tone control | Bass : + 8.5 to -12dB Treble : + 7.2 to -9dB |
| Loudness | + 6 dB (100 Hz), + 5 dB (10 kHz) |
| Pwer | 100 VAC, 50Hz/60Hz |
| Power consumption | 42W |
| External dimensions | Width 240x Height 71x Depth 205 mm (with Handle) |
| Weight | 2.7kg |