Yamaha A-7a

Data

General

• Manufacturer: Yamaha
• Model: A-7a
• Type: Integrated amplifier
• Years of manufacture: 1982 - 1984
• Colours: Silver, Black
• Remote control: No
• Power consumption: 630 W max.
• Dimensions: 435 x 132 x 365 mm (WxHxD)
• Weight: 10.6 kg
• Original price approx.: 96'000 Yen (Japan, 1982), 1'200 DM

Connections

• Number of inputs:
  • phono, tuner, aux, 2x tape
• Input (Sensitivity/Impedance).
  • Phono MM 2,5mV/33/47/100 KOhm, MC 160µV/100 Ohm
  • Tape, Tuner, 150mV/47 KOhm
• Number of outputs:
  • 2xspeaker, 2xRec-Out, headphones
• Output (level/impedance)

Rec-Out 150mV/270 Ohm

Technical Data

• Continuous power (at distortion)
  • 8 Ohm: 2x 120 Watt
  • 4 Ohm: 2x 180 Watt
• Dynamic power
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: 0.003 %
• Attenuation factor:
• Signal-to-noise ratio: 106 dB
• Frequency response: 10 - 100'000 Hz
• Tone control:
  • Bass: Yes
  • Treble: Yes
• Loudness: adjustable
• Subsonic: Switchable
• Mute: Yes
• Direct/Line-Straight: Main-Direct and Disc-Direct

Special Features

• Mono/Stereo switchable
• High-Filter
• Record selector
• Listening level monitor
• Peak frequencies bass and treble control switchable

Comments

• 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-6a
• Yamaha A-7
• Yamaha A-7a
• Yamaha A-8
• Yamaha A-9

Pictures

• Image: Yamaha A-7a

Reviews

• The A-7a is the Japan version of the Yamaha A-960 II