DIATONE DT-4100
¥ 29,800 (around 1971)
Commentary
Four track, two channel stereo cassette deck.
It has a low-distortion solid-state amplifier with 12 low-noise transistors centered on the 2SC871.
The motor is an electronic governor motor so that it can be used in both 50 hz and 60 hz regions.
Equipped with an end stopper, the motor automatically stops and the cassette pops out as soon as the tape ends.
It uses independent level meters for left and right, and slide volume for both recording and playback.
An all-push button system is adopted.
It has a tape counter so you can know where the recording is.
Equipped with a temporary stop lever.
Equipped with cassette up device, cassette can be taken out simply by pulling the lever.
Equipped with a device to prevent erroneous recording.
Equipped with headphone jacks, 6.3 φ My Kujac, DIN jacks, etc.
Model Rating
Type | Four track, two channel cassette deck |
Tape type | Light motor vehicle Set |
Truck type | 4-track 2-channel stereo |
Tape speed | 4.8cm/s |
Fast-forward and rewind time | 70 seconds or less (at C-60) |
Frequency characteristic | 50 Hz to 10 kHz ± 3 dB |
Wow and flutter | 0.2% Wrms or less |
Signal-to-noise ratio | 42 dB or more |
Bias frequency | 60kHz |
Regeneration time constant | 120 μ sec |
Input Sensitivity / Impedance | Mic : 0.56mV/1k Ω AUX : 0.18mV/330k Ω Din:15mV |
Output Level / Impedance | Output : 0.5V/2.2k Ω Din : 0.2V/2k Ω Headphone : 8 Ω |
Motor used | Electronic governor motor |
Semiconductor used | Transistor : 12 |
Power supply voltage | 90 VAC ~ 110 V, 50Hz/60Hz |
External dimensions | Width 367x Height 80x Depth 223 mm |
Weight | 3.1kg |