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

• Other models in the same series:
• Yamaha A-1
• Yamaha A-3
• Yamaha A-4D
• Yamaha A-5
• Yamaha A-5D
• Yamaha A-6
• Yamaha A-7
• Yamaha A-8
• Yamaha A-9

Pictures

• Image: Yamaha A-9