SONY TC-9400
¥ 76,800 (around 1971)
Commentary
A tape deck with a timer (sold separately) for recording your absence.
It uses a mechanism in which the memory device works regardless of whether the power is turned OFF or ON in any mode. It can be used in combination with a timer to record the absence. The pinch roller is released during the rest period so that the mechanism is not burdened.
Stability is improved by fixing the tape running system to a single die-cast base.
Equipped with a tape selector that switches between recording equalizers.
Uses a constant voltage power supply circuit that eliminates the recording click.
Model Rating
| Type | Tape deck |
| Tape speed | 19cm/s, 9.5cm/s |
| Motor | 8-4 Pole Hysteresis Synchronous Motor Penalty 1 2 x 6 Pole Outer Rotor Motors |
| Wow flutter | 0.07%WRMS(19cm/s) |
| Recording bias | Approximately 120 kHz |
| Frequency Response (19cm/s) | When using SLH tape : 20 Hz ~ 25kHz/30Hz ~ 20 kHz ± 3 dB When using general tape : 30 Hz ~ 20kHz/40Hz ~ 18 kHz ± 3 dB |
| Overall strain rate | 1.5% |
| Overall S/N ratio | 55 dB (when using SLH tape) 52 dB (when using general tape) |
| External dimensions | Width 369x Height 395x Depth 243.5 mm |
| Weight | 15kg |