Yamaha A-9

Data

General

  • Manufacturer: Yamaha
  • Model: A-9
  • Type: Integrated amplifier
  • Colour: Silver
  • Years of manufacture: 1979 - 1982
  • Remote control:
  • Power Consumption:
  • Dimensions: 460 x 155 x 426 mm (WxHxD).
  • Weight: 21 kg
  • Original price approx.: 245'000 Yen (Japan,1979), 3'600 DM


Connections

  • Number of inputs:
    • 2x phono, 2x tape, tuner, aux, main-in.
  • Number of outputs:
    • 2x speaker, 2x Rec-Out, Pre-Out, Headphone


Technical Data

  • Continuous power (at distortion factor)
    • 8 Ohm: 2x 120 Watt Class B, 2x 30 Watt Class A
    • 4 Ohm:
  • Dynamic power
    • 8 Ohm:
    • 4 Ohm:
  • Total harmonic distortion: 0.005%
  • Attenuation factor:
  • Input (Sensitivity/Impedance).
    • Phono MM 2,5mV/47 KOhm, MC 100µV/100 Ohm
    • Tape, Tuner, Aux 150mV/47 KOhm
    • Main-In 1V/10 KOhm
  • Output (level/impedance)
    • Rec-Out 150mV/560 Ohm
    • Pre-Out 1V/600 Ohm
  • Frequency response: 10-100000 Hz
  • Tone control:
    • Bass: ±10dB at 20 Hz
    • Treble: ±10dB at 20000 Hz
  • Loudness: No
  • Subsonic: 15 Hz 12 dB/oct., switchable
  • Mute: Yes
  • Direct/Line-Straight: tone control can be switched off
  • Ripple (short-circuited):
  • Stereo channel separation: 70 dB
  • Signal-to-noise ratio: 102 dB


Special Features

  • Adjustable output impedance
  • Record selector
  • Low filter (70 Hz/12 dB), and high filter (10000 Hz/12 dB)
  • Mono-Stereo switch
  • Peak frequency of the tone controls switchable between 125 Hz and 500 Hz or 2500 Hz and 8000 Hz
  • Input capacity of the phono inputs switchable
  • Separable between pre- and power amplifier


Remarks


Pictures

  • Image: Yamaha A-9

Yamaha A-9-1979.jpg


Reports

Links