Optonica SM-4646

Data

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

• Other models in the same series:
• Amplifier:
• Optonica SM-1616
• Optonica SM-3636
• Optonica SM-4646

• [[Tuner:
• Optonica ST-1616
• Optonica ST-3636
• Optonica ST-4646

Pictures

Links

• [1]