Sansui AU-555 Amplifier

Specifications Sansui AU-555 amplifier:
- Music Power (IHF): 60 watts ±1 dB into 4 at 1,000 Hz; 50 watts ±1 dB into 8 at 1,000 Hz
- Continuous Power (each Channel): 25/25 watts ±1 dB into 4, 20/20 watts ±1 dB into 8
- Total Harmonic Distortion: less than 0,5% at rated power output
- Intermodulation Distortion (60 Hz : 7,000 Hz = 4:1 SMPTE method): less than 0,8%
- Power bandwidth (IHF): 20 to 30,000 Hz at 8 (0,5% distortion)
- Load Impedance: 4 to 16
- Frequency Response (at normal listening level): 20 to 80,000 Hz, ±1 dB
- Input Sensitivity: 1V at rated output
- Input Impedance: 100 k
- Damping Factor: 12 and 45 at 8 load
- Semiconductors: 22 x transistors, 6 x diodes, 4 x thermistors, 1 x SCR
- Dimensions (W x H x D): 382 x 111 x 267 mm (excluding rubber stand and knobs)
- Weight: 7.9 kg