Heads configuration: | Recording head x 1
Playback head x 1
Erase head x 1 |
Drive system: | Closed loop dual capstan |
Motors: | For capstan drive - Quartz DD motor x 2
For reel drive - DC / DD motor x 2 |
Tape Type: | Normal (Fe2O3) / IEC I
CrO2 (Chrome) / IEC II
Metal / IEC IV
* Automatic sensing of coded cassettes |
Tape selector: | Equalizer - 2 steps, 70μs / 120μs
Bias - 3 steps, Normal / Chrome / Metal
* Both have automatic detection positions |
Playback equalization: | 3180 + 120μs, IEC I
3180 + 70μs, IEC II + IV |
Recording level: | 200 nWb / m equals 0dB on peak level meters |
Distortions (At 315Hz, 0dB): | Better than 0.8% (Normal tape)
Better than 1.5% (CrO2 tape)
Better than 1.5% (Metal tape) |
Frequency response (Measured via tape at -20dB): | 30Hz to 18kHz, +2 / -3dB (Normal tape)
30Hz to 20kHz, +2 / -3dB (CrO2 tape)
30Hz to 20kHz, +2 / -3dB (Metal tape) |
Noise reduction: | Dolby B
Dolby C
Switchable MPX-filter |
S / N ratio: | 72dB or more (Referred to 3% distortion weighted as per IEC/A, Dolby C on) |
Separation: | Better than 40dB (At 1kHz) |
Bias and erase frequency: | 105kHz |
Input: | Line - 35mV / 220kΩ
MIC - 0.35mV / 10kΩ (Unbalanced)
DIN - 0.5mV / 10kΩ |
Output: | Line - 0 to 0.775V variable / Min. 20kΩ
DIN - 0 to 0.775V variable / Min. 20kΩ
Headphones - 0 to 2.45V variable / 200 - 600Ω |
Attached mechanism: | Timer recording and playback, Memory stop, Memory play, Repeat playback, etc. |
Semiconductor used: | 1 x Microprocessor 2 k x 8 bit, 55 x IC’s, 77 x Transistors, 62 x Diodes, 54 x LED’s, 3 x Full wave rectifiers, 2 x Relays, 5 x seven-segment display |