Yamaha B-5

Data

General

• Manufacturer: Yamaha
• Model: B-5
• Type: Power amplifier
• Years of manufacture: 1979 - 1982
• Made in: Japan
• Color: Black
• Remote control: No
• Power consumption: 560 watts max.
• Dimensions: 435 x 182.7 x 361.5 mm (WxHxD)
• Weight: 20.9 kg
• Original price approx.: 250'000 Yen (Japan, 1979), 2'900 DM

Connections

• Number of inputs:
• Input (sensitivity/impedance).
  • Line 1V/25 KOhm
• Number of outputs:
  • 2x loudspeaker

Technical Data

• Continuous power (at distortion factor)
  • 8 Ohm: 2x 250 Watt
  • 4 Ohm: 2x 350 Watt
• Dynamic power
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: 0.002%
• Attenuation factor: 200
• Frequency response: 0 - 100'000 Hz
• Ripple spacing (shorted):
• Stereo channel separation: 100 dB
• Signal-to-noise ratio: 123 dB

• Further data at "Hifi Engine": [1]

Special Features

• Input level control

Remarks

• Other models in the same series:
• Yamaha B-2
• Yamaha B-2x
• Yamaha B-4
• Yamaha B-6

Pictures

• Image: Yamaha B-5

Reports

• The B-5 is the Japan variant of the M-2, but it lacks the power display.