DIATONE DT-4400
¥ 69,800 (around 1976)
Commentary
A stereo cassette deck with a front-operated design.
Ferrite head is used for the head part.
A DC servo motor is used for the mechanism.
Equipped with a memory play mechanism.
Turn the memory switch ON, set the tape counter to 000, and press the Play and Rew buttons to rewind to 999. Only the REW button is released and regenerating condition occurs automatically.
Equipped with a mixing mechanism, it is possible to record mixing of microphone and line.
The input volume is independent of the microphone and line, allowing you to fade in and out freely.
It has a queue / review mechanism.
During playback, you can press and hold the FF/REW button to search for the desired location while monitoring. If you release your finger at the desired location, the regenerating condition will continue.
It is equipped with a peak level indicator in addition to a level meter.
The peak level indicator can be used to warn of momentary over-input that cannot be covered by the level meter. It lights up when the level begins to distort.
Equipped with a tape selector.
Equipped with timer recording and replay mechanism, and by connecting a separately sold timer, it is possible to record absence.
With a full auto-stop mechanism, the operation button is released when the tape is finished, regardless of whether recording, playback or rewinding, to protect the tape.
The Dolby System is installed as a noise reduction system.
Model Rating
| Type | Cassette deck |
| Track format | 4-track 2-channel |
| Motor | DC servo motor with built-in tacho generator |
| Heads | For Recording and Playback : Ferrite Head For Erasing : Ferrite Head |
| Tape speed | 4.8cm/s |
| Fast-forward and rewind time | 90 seconds (C-60 tape) |
| Wow and flutter | 0.08%(WRMS) |
| Frequency characteristic | 30 Hz ~ 13 kHz (Normal Tape) 30 Hz ~ 16 kHz (Chrome Tape) |
| Signal-to-noise ratio | Dolby out : 50 dB or more Dolby in : 58 dB or more |
| Time constant of the equalizer curve | Normal Tape : 3,180 μ sec/120 μ sec Chrome Tape : 3,180 μ sec/70 μ sec |
| Bias oscillation frequency | 85kHz |
| Input Sensitivity / Impedance | Mic : -72dBV/2.2k Ω Line : -25dBV/270k Ω Din : -34dBV/4.7k Ω |
| Output Level / Impedance | Line : -2.2dB/47k Ω Din : -2.2dB/47k Ω Headphone : -25dBV/8 ohm |
| Pwer | 100 VAC, 50Hz/60Hz |
| Power consumption | 13W |
| External dimensions | Width 400x Height 148x Depth 289 mm |
| Weight | 8.0kg |
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