Yamaha AX-870

Data

General

• Manufacturer: Yamaha
• Model: AX-870
• Years of manufacture: 1994-1996
• Made in: Japan
• Color: titanium, black
• Type: analog
• Remote control: yes
• Power consumption: 270 watts
• Dimensions: 435 mm × 171 mm × 448 mm (W × H × D)
• Weight: 14.0 kg
• Original price approx.: 1000 DM

Connections

• Number of inputs:
  • Phono MM/MC 2.5 mV / 47 kOhm, 160 µV / 220 Ohm.
  • CD, Tuner, AUX, 2 × Tape 150 mV / 47 kOhm
  • Main-In 0,9 V / 47 kOhm
• Number of outputs:
  • 2 × Loudspeaker
  • 2 × Rec-Out 150 mV / 470 Ohm
  • Pre-Out 1 V / 1.6 kOhm
  • Headphones 0.5 V / 470 Ohm

Technical Data

• Continuous power (at distortion)
  • 8 Ohm: 2 × 110 Watts at 0.015
  • 4 Ohm: 2 × 185 Watt (DIN)
• Dynamic power
  • 8 Ohm: 2 × 150 Watt
  • 4 Ohm: 2 × 250 Watt
• Total harmonic distortion: 0.008 %
• Attenuation factor: 320
• Frequency response: 10-50,000 Hz
• Signal-to-noise ratio: 110 dB
• Stereo channel separation: 65 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/18 dB, switchable
• Mute: no
• Direct/Line-Straight: Pure-Direct

Special Features

• separable pre/power amplifier (Pre Out/Main In)
• record selector
• secondary controls under cover flap

Remarks

Other models in the same series:

• AX-380
• AX-470
• AX-570
• AX-870
• AX-1070

• Known weaknesses: oxidized contacts on input selector switch.

Previous model:

• AX-750

Successor model:

• AX-890

Pictures

Reviews

• Audio: top class (70P/3 ears)
• Stereo: good