AIWA AD-F70M
¥ 105,000 (around 1980)
Commentary
A metal-compatible cassette deck that pursues perfection in basic performance and operability.
In addition to the 3-step tape selector with independent bias and equalizer, you can fine-tune the bias of each of LH, FeCr and CrO2 tapes.
Uses Sendust head for the head.
The linearity of the recording amplifier is 20 dB (0 VU) and is compatible with metal tapes.
A dual motor drive system is used for the mechanism.
In addition to the VU meter, it is equipped with a 9-point multi-peak indicator.
Equipped with auto repeat and memory repeat mechanism.
It has a queue review function.
Equipped with a tape level meter.
Equipped with a rec mute mechanism.
Equipped with a pure electronic full autostop mechanism.
Equipped with a Dolby system.
Equipped with a synchro operation mechanism.
Equipped with timer standby mechanism, and by connecting an external timer, absence recording and alarm clock playback are possible.
There was a remote control unit and a handle for rack mounting sold separately.
Model Rating
Type | Stereo cassette deck | ||||
Track system | 4-track 2-channel | ||||
Frequency characteristic |
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Signal-to-noise ratio | 53 dB (Dolby NR off, LH peak level) 65 dB (Dolby NRon, FeCr peak level) |
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Wow flutter | 0.04%(WRMS) | ||||
Tape speed | 4.8cm/s | ||||
Fast forward and rewind time | 65 seconds | ||||
Recording system | AC Bias (105 kHz) | ||||
Distortion factor | 0.9% or less (0 VU, FeCr tape) | ||||
Erasing method | AC Erase | ||||
Input Sensitivity / Impedance | Line : 50mV/50k Ω or more Mic : 0.25mV/200 Ω ~ 10k Ω Compatible |
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Output Level / Impedance | Line : 0.41V/50k Ω or more compatible Headphones : 2mW/8 Ω (0 VU) |
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Semiconductor used | IC : 17 Transistor : 85 Diode : 79 pcs LED : 15 |
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Pwer | 100 VAC, 50Hz/60Hz | ||||
Power consumption | 35W | ||||
External dimensions | Width 450x Height 120x Depth 327 mm | ||||
Weight | 9.5kg | ||||
Sold Separately | Audio Handle AH-10 (¥ 2,000) Remote Control Unit RC-10 (¥ 9,000) |