Optonica SM-4646
Data[edit]
General
- Manufacturer: Sharp Optonica
- Model: SM 4646 H(B)
- Type: Integrated amplifier
- Years of manufacture: 1978 - 1979
- Color: Black / Silver
- Remote control: No
- Power consumption: 520 watts
- Dimensions: 442 x 144 x 363 mm (WxHxD)
- Weight: 16 kg
- Original price approx.: 1'198 DM
Connections
- Number of inputs:
- 1x AUX
- 2x Tape
2x phono
- 1x tuner
- 1x preamplifier
- Number of outputs:
- 2x loudspeaker
- 1x power amplifier
1x headphones
Technical data
- Continuous power
- 8 Ohm: 2x 70 Watt
4 Ohm: 2x 95 Watt
- music power
- 8 Ohm: 2x 95 Watt
- 4 Ohm: 2x 145 Watt
- Total harmonic distortion: 0.05%
- Attenuation factor: over 50 (8 Ohm, 1kHz)
- Frequency response: 5Hz ~ 120kHz ± 3dB
- Power bandwidth: 10HZ - 40kHZ
- Ripple distance (shorted):
- Volume cut: -20dB
Special Features
- Separable preamplifier and power amplifier
- Separate power supplies for preamp and power amp (3 in total)
Remarks[edit]
- Other models in the same series:
- Amplifier:
- Optonica SM-1616
- Optonica SM-3636
- Optonica SM-4646
Pictures[edit]