Yamaha M-70

Data

General

• Manufacturer: Yamaha
• Model: M-70
• Type: Power amplifier
• Years of manufacture: 1982 - 1984
• Color: Black
• Remote control: No
• Power consumption: 900 W
• Dimensions: 435 x 133 x 380 mm (WxHxD)
• Weight: 15,7 kg
• Original price approx.: 2'200 DM

Connections

• Number of inputs:
  • Line
• Number of outputs:
  • 2x loudspeaker

Technical Data

• Continuous power (at distortion factor)
  • 8 Ohm: 2x 200 Watt

4 Ohm: 2x 250 Watt (M-70 cannot be measured at 4 Ohm!)

• Dynamic power
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: 0.002%
• Attenuation factor: 200
• Input (Sensitivity/Impedance)
  • Line 1.41V/25 KOhm
• Frequency response: 0-100000 Hz
• Ripple distance (shorted):
• Stereo channel separation: 95dB
• Signal to noise ratio: 124dB

Special Features

• Power meter, switchable and sensitivity switchable
• Channel-separated level controls for speaker pairs

Remarks

• Other models in the same series:
• Yamaha M-50
• Yamaha M-70
• Yamaha BX-1

• Yamaha M-2
• Yamaha M-2

• Successor model:
• Yamaha M-80

Pictures

• Image: Yamaha M-70

Reviews

• The M-70 was offered as a pure 8 Ohm power amplifier (which you should follow!), but it also runs at high volumes (>200W) without any problems at 4 Ohm.

Links

• Mackern.de - Read Hifi Yamaha M-70