Yamaha M-4

Data

General

  • Manufacturer: Yamaha
  • Model: M-4
  • Years of manufacture: 1979 - 1981
  • Type: Power Amplifier
  • Color: Black
  • Remote control: No
  • Power consumption: 900 watts
  • Dimensions: 435 x 146 x 375 mm (WxHxD)
  • Weight: 18.5 kg
  • Original price approx.: 1450 DM


Connections

  • Number of inputs:
    • Line: 1 V, 25 kOhm
  • Number of outputs:
    • 2x loudspeaker


Technical Data

  • Continuous power (at distortion factor)
    • 8 Ohm: 2x 120 W

4 Ohm: 2x 170 W

  • Dynamic power
    • 8 Ohm: 2x 135 W
    • 4 Ohm: 2x 210 W
  • Total harmonic distortion: 0.005% (120 W / 8Ώ ) / < 0.01% (170 W / 4Ώ)
  • Attenuation factor: 200 (8Ohm, 1kHz), 100 (4 Ohm / 1 kHz)
  • Frequency response: 10 - 100,000 Hz
  • Ripple spacing (shorted):
  • Stereo channel separation: 90 dB (1 kHz).
  • Signal-to-noise ratio: 118 dB


Special Features

  • Power display 2 mW - 145 W (10 LEDs / channel)
  • Overload indicator (distortion dependent)
  • Input level control


Remarks


  • Previous model:
  • None



Pictures

  • Image: Yamaha M-4

1600px


Reports

Links