Yamaha B-2x

Data[edit]

General

  • Manufacturer: Yamaha
  • Model: B-2x
  • Type: Double- Mono-Natural Sound Stereo Power Amplifier
  • Years of manufacture: 1985 - 1988
  • Made in: Japan
  • Color: Black
  • Remote control: No
  • Voltage: 220 V, 50 Hz
  • Power consumption: 470 watts, 1'300 watts max.
  • Dimensions: 435 x 164.5 x 422 mm (WxHxD)
  • Weight: 31 kg (reweighed), according to booklet 26 kg
  • Original price approx.: 3'600 DM


Connections

  • Number of inputs:
    • 2x Line 1.3 V/ 20 KOhm
  • Number of outputs:
    • 2 speaker pairs (switchable).
    • A or B: 4- 16 Ohm
    • A + B: approx. 8 Ohm


Technical Data

  • Continuous power (20 Hz- 20 Khz):
    • 8 Ohm: 2x 170 Watt 0.002 % distortion factor.

6 Ohm: 2x 200 Watt 0.002 % distortion factor

    • 4 Ohm: 2x 240 Watt 0,003 % distortion factor,

DIN output power:

    • 2x 306 Watt (1 KHz, 1 % distortion).

2x 350 Watt (1 KHz 10 % distortion)

  • Pulse power 1 KHz:
    • 8 Ohm: 2x 262 Watt

6 Ohm: 2x 337 Watt

    • 4 Ohm: 2x 447 Watt
    • 2 Ohm: 2x 625 Watt

Total harmonic distortion: 0.002 % (at 8 Ohm, 85 W, 10- 20 KHz)

  • Attenuation factor: 200 (8 Ohm, 1 KHz)
  • Frequency response: 10- 100,000 Hz (8 ohms, 0.02 % distortion, 85 watts)
  • Signal-to-noise ratio: 124 dB
  • Channel separation:
    • 1 KHz: 95 dB

20 KHz: 75 dB

  • Inherent noise: 23 µV


  • More data at "Hifi Engine": [1]


Comments[edit]


Pictures[edit]

  • Pictures: Yamaha B-2x


Reports[edit]

Links[edit]