Yamaha AX-640

Data

General

• Manufacturer: Yamaha
• Model: AX-640
• Type: Integrated amplifier
• Years of manufacture: 1990 - 1992
• Made in: Japan
• Colors: Black, Silver
• Remote control: no
• Power consumption: 430 W
• Dimensions: 435 x 141 x 332 mm (WxHxD)
• Weight: 8 kg
• Original price approx.: 800 DM

Connections

• Number of inputs:
  • Phono MM 2.5 mV / 47 kOhm, MC 160 µV / 220 Ohm.
  • Tuner, CD, Aux, 2 × Tape: 150 mV / 47 kOhm
• Number of outputs:
  • 2 × Rec-Out 150 mV / 220 Ohm.
  • Headphones 0,5 V / 120 Ohm
  • 2 × loudspeaker

Technical Data

• Continuous power (at distortion factor)
  • 8 Ohm: 2 x 85 Watt at 0,005 %
  • 4 Ohm: 2 x 110 Watt according to DIN
• Dynamic power
  • 8 Ohm: 2 x 140 Watt
  • 6 Ohm: 2 x 170 Watt
  • 4 Ohm: 2 x 200 Watt
  • 2 Ohm: 2 x 220 Watt
• Total harmonic distortion: 0,003 %
• Attenuation factor: 100
• Frequency response: 10 - 50'000 Hz
• Signal to noise ratio: 102 dB
• Stereo channel separation: 75 dB
• Tone control:
  • Bass: ±10 dB at 20 Hz
  • Treble: ±10 dB at 20,000 Hz
• Loudness: adjustable
• High filter: no
• Low filter (subsonic): 15 Hz / 12 dB, switchable
• Mute: no
• Direct/Line-Straight: CD-Direct, tone control switchable

Special Features

• Record selector
• Mono/Stereo switch
• Accessory connectors
• Cartridge slot for Yamaha YST speakers

Notes

• Other models in the same series:
• Yamaha AX-440
• Yamaha AX-540
• Yamaha AX-640
• Yamaha AX-730
• Yamaha AX-930

• [[Previous model:
• Yamaha AX-630

• Successor model:
• None

Pictures

• Picture: Yamaha AX-640