Yamaha AX-900

Data

General

• Manufacturer: Yamaha
• Model: AX-900
• Type: Integrated amplifier
• Years of manufacture: 1986 - 1988
• Made in: Japan
• Colors: Silver, Black
• Remote control: No
• Power Consumption:
  • Europe model: 600 watts
  • UK/Australia model: 600 watts

Canada model: 450 watts

• • General model: 250 watts

Dimensions: 435 x 165 x 416 mm (WxHxD)

• Weight: 17 kg
• Original price approx.: 1'350 DM

Connections

• Number of inputs:
  • Phono MM/MC, tuner, 2 x tape, DAT, aux, CD, preamplifier.
• Number of outputs:
  • 2 x speakers, 3 x rec-out, headphones, power amp.

Technical Data

• Continuous power (at distortion factor)
  • 8 Ohm: 2 x 130 Watt at 0,005 %
  • 6 Ohm: 2 x 150 Watt at 0,008 % (DIN)
  • 4 Ohm: 2 x 217 Watt at 1,000 % (according to DIN)

IEC power

• • 4 Ohm, 1 kHz: 140 Watt (1 % distortion)
• Dynamic power
  • 8 Ohm: 2 x 180 Watt
  • 4 Ohm: 2 x 320 Watt
  • 2 Ohm: 2 x 440 Watt
  • 1 Ohm: 2 x 520 Watt
  • Buffering : 2 x 22.000 µF
• Total harmonic distortion: 0,005 %
• Intermodulation distortion
  • CD, Video-AUX, Tuner, Tape (up to Speaker Out 130 Watt / 8 Ohm): 0.002 %

1 Watt / 8 Ohm: 0.003 % * Power bandwidth

• Power bandwidth
  • 8 Ohm, 65 Watt, distortion factor 0.03 %: 10-50,000 Hz
• Attenuation factor: 150 (8 Ohm, 1 kHz)
• Input (Sensitivity / Impedance)
  • Phono MM: 2.5 mV / 47 kOhm
  • Phono MC: 160 µV / 220 Ohm
  • Tuner, CD, Aux, DAT, Tape: 150 mV / 47 kOhm
• Output (level / impedance)

Rec-Out 150 mV / 470 Ohm

• • Headphones 0.93 V / 8 Ohm (distortion factor 0.005 %)
• Frequency response CD, Video-AUX, Tuner,
• Tape, Main-In: 20-20,000 Hz (+0db, -0.5 dB)
• Tone control:
  • Bass: ±10 dB at 20 Hz, crossover frequency 350 Hz.
  • Mids: ±10 dB at 1,000 Hz
  • Treble: ±10 dB at 20,000 Hz, crossover frequency 3,500 Hz.
• Loudness:
  • Level-related attenuation control
  • Attenuation -40 dB (1 kHz)
• Subsonic: 15 Hz / 12 dB/octave, switchable
• Mute: yes (-20 dB)
• Direct/Line-Straight: CD-Direct, tone control switchable
• Ripple spacing (short-circuited): 106 dB
• Stereo channel separation: 70 dB (volume -30 Db)
• Signal-to-noise ratio
  • Phono MC: 74.5 dB; IHF value 72 dB

Phono MM: 78 dB; IHF value 92 dB CD, Video-AUX, Tuner, Tape: 85 dB; IHF value: 100 dB

• Intermodulation distortion
  • CD, Video-AUX, Tuner, Tape (nominal output/8 Ohm): 0.002 %
  • 1 Watt / 8 Ohm: 0.003 %
• Gain tracking error
  • 0 dB to -60 dB: 2 dB

Special Features

• 2 x record selector
• Accessory connectors
• Mono/stereo switch
• High filter switchable (10 kHz / 12 dB/octave)
• Pre- and power amplifier can be separated, jumper plug enclosed

Remarks

• Other models in the same series:
• Yamaha AX-300
• Yamaha AX-400
• Yamaha AX-500
• Yamaha AX-700
• Yamaha AX-900
• Yamaha A-2000a

• [[Previous model:
• Yamaha A-1020

• Successor model:
• Yamaha AX-930

Pictures

• Image: Yamaha A-900

Reviews

• User's Manual (DEU)