Pioneer SM-70

Data

General

• Manufacturer: Pioneer
• Model: SM-70 (Japan version of the Pioneer SM-700 power amplifier), see also link.
• Type: Power amplifier
• Years of manufacture: 1969 - 1972
• Made in: Japan
• Color: Silver, wooden side panels
• Power consumption: 190 W
• Dimensions: 300 x 118 x 254 mm (W x H x D)
• Weight: 5.3 kg
• Original price approx.: 25'000 Yen (Japan, 1969), 400 DM

Connections

• Number of inputs:
  • Input switchable: 0.5 V 65 kOhm, 1.0 V 80 kOhm, 2.0 V 200 kOhm.
• Number of outputs:
  • 2 speaker pairs A, B

Technical Data

• Continuous power
  • 8 Ohm: 32 + 32 Watt

4 Ohm: 42 + 42 Watt

• Dynamic power
  • 8 Ohm: 80 Watt
  • 4 Ohm: 120 Watt
• Frequency response: 15 Hz to 60 kHz ± 0.5 dB
• Power bandwidth: 15 Hz to 60 kHz (IHF)
• Distortion factor at 1 kHz: 0.5% (0.05% at 20 W)
• Attenuation factor: 30 at 8 ohms, 1 kHz
• Signal-to-noise ratio: > 100 dB

Special Features

• Center channel output

Remarks

• Other models in the same series:
  • Pioneer SC-700 preamplifier
    • SC-700
  • Crossover Pioneer SF-700
    • SF-700
  • Power amplifier Pioneer SM-700
    • SM-700
  • Tuner Pioneer TX-500
    • TX-500
  • Reverb amplifier Pioneer SR-202
    • SR-202

Pictures

• Image: Pioneer SM-700

• Image: 700 series:
  • Preamplifier Pioneer SC-700

crossover Pioneer SF-700

• • Power amplifier Pioneer SM-700 (3x, bi-amping)
  • Reverb amplifier Pioneer SR-202

• Excerpt from brochure: Pioneer SC-SF-SM-700 with bi-amping illustration.

Links

• External link to website "Audio Heritage, Japan": [[1]]