Sansui AU 555A
(1969-1974)
Service ManualTECHNICAL SPECIFICATIONS
Power (RMS) 2X25w/8 ohms
Power Band: 20Hz/20Khz
Freq response: 20Hz/40kHz
Total Harm Distortion: 0,5%/8 ohms
Intermodulation distortion: 0,5%
Damping Factor: 50 - 8 ohms
Input sensitivity Phono MM: 2 mV
Input Sensitivity Tuner: 180 mV
Input Sensitivity Aux: 180 mV
Input Sensitivity Tape In: 180 mV
Signal to noise ratio Phono MM: 70dB
Signal to Noise Ratio Aux: 80 dB
Signal to Noise Ratio Tape: 80 dB
Signal to Noise Ratio Tuner: 80 dB
Output Impedance: 4 to 8 ohms
Dimensions: 395 x 278 x 127 mm
Weight: 8 Kg
| Transistors | Equiv | Other |
| 2SC1030 | BDY90-BU606 | NTE280-2N3584 |
| 2SC871 | BC548-BC184L | NTE85-2N3707 |
| 2SC627 | BF459-KSC2310 | NTE154 |
| CDC8002 | 2SC1815 | NTE128 |
| XA495 | 2SA640 | NTE159 |
| 2SC281 | BC107-2N2222A | NTE199 |
| CDC9002 | NTE129 | |
| Capa µf | Volts | Quantity (33) |
| 2200 | 63 | 1 |
| 1500 | 63 | 2 |
| 1000 | 50 | 1 |
| 470 | 50 | 2 |
| 470 | 16 | 2 |
| 220 | 75 | 1 |
| 220 | 6.3 | 2 |
| 100 | 6.3 | 2 |
| 47 | 50 | 2 |
| 47 | 25 | 2 |
| 47 | 10 | 2 |
| 47 | 6.3 | 2 |
| 10 | 25 | 4 |
| 3.3 | 25 | 2 |
| 1 | 50 | 6 |