| Transistors | Equivalents | Approximate | datasheet | Transistors | Equivalents | Approximate | datasheet |
| 2SA 493 | BC 177 | |
| 2SC 1124 | NTE190 | | NTE 190 |
| 2SC 281 | NTE 199 | BCY 56 | NTE 199 | 1S 1555 | NTE 177 | | NTE 177 |
| 2SC 634.a |
BC 547-NTE 85 | | NTE 85 | 2SA 493 | BC 416.a | BC 177 | |
| 2SC 1000 | BC 546-BC 547 | | | 2SB 507 | BD 178 | BDX 78 | |
| 2SA 678 | BC 327 |
| | 2SC 680 | NTE 175 | BU 133 | NTE 175 |
| 2SA 566 | 2N 5603 | BD 238 | | 2SC 793 | NTE 130 | 2N 3055 | NTE 130 |
TECHNICAL SPECIFICATIONS
Power output:
Continuous Power (RMS) 54 watts at 8 ohms per channel
Power Band: 20Hz to 20Khz
Distortion:
Frequency response: 10Hz to 50kHz +/- 1dB
Harmonic at rated output: 0,1%
Intermodulation Distortion: 0,1%
Damping Factor: 50
Input Sensitivity and Impedance:
Phono 1: 2,5 mV
Phono 2: 2,5 mV
Tuner: 100 mV
Aux: 100 mV
Tape In: 100 mV
Signal to Noise Ratio:
Phono: 75 dB
Tuner, Tape In: 85 dB
Aux: 85 dB
Output Impedance: 8 ohms
Dimensions: 434 x 315 x 130 mm
Weight: 12,3 Kg
Years: 1972-1975
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