AIWA AD-L22
¥ 36,800 (around 1980)
Commentary
Mini-size cassette deck that can be used with 12 VDC power supply.
It can also be used outdoors by getting power from a special rechargeable battery.
Equipped with a Dolby system.
Equipped with a tape selector compatible with LH and CrO2.
The mechanism section is equipped with a DC servo motor.
Ultra-hard permalloy head is used for the head.
It uses a full auto-stop mechanism to prevent damage to tapes and heads.
Equipped with 3-color LED optical display.
Equipped with a tape run indicator that blinks red when recording.
The mechanism of the AD-L22 is such that even a recording tape with a folded tab to prevent erroneous erasure is erased when a recording operation is performed.
When recording, the cassette is inserted after pressing the record button.
Model Rating
| Type | Stereo cassette deck |
| Track system | 4-track 2-channel |
| Frequency response (-20VU recording) | LH Tape : 25 Hz ~ 14 kHz CrO2 Tape : 25 Hz to 16 kHz |
| SN ratio (FeCr Tape) | 52 dB (Dolby NR off, LH peak level) 60 dB (Dolby NRon, CrO2 peak level) |
| Wow flutter | 0.09%(WRMS) |
| Tape speed | 4.8cm/s |
| Fast forward and rewind time | 90 seconds |
| Recording system | AC Bias (85 kHz) |
| Distortion factor | 1.2% (0 VU, LH tape) |
| Erasing method | AC Erase |
| Input Sensitivity / Impedance | Line : 50mV/50k Ω or more Mic : 0.3mV/200 Ω ~ 10k Ω Compatible |
| Output Level / Impedance | Line : 0.41V/50k Ω or more compatible |
| Semiconductor used | IC : 5 Transistor : 17 Diode : 7 pcs LED : 11 |
| Pwer | 100 VAC, 50Hz/60Hz DC12V |
| Power consumption | 8W |
| External dimensions | Width 240x Height 73x Depth 228 mm |
| Weight | 2.7kg |
| Sold Separately | Rechargeable Battery RB-20 (¥ 25,000) |