Onkyo A-8990

Data

General

  • Manufacturer: Onkyo
  • Model: A-8990 - Grand Integra
  • Type: Integrated amplifier
  • Years of manufacture: 1988 - 1991
  • Made in: Japan
  • Color: Black
  • Remote control: yes, infrared RC-AV 20 M
  • Power consumption:
  • Dimensions: 477 x 183 x 453 mm (WxHxD).
  • Weight: 32 kg
  • Original price: 4,800 DM (RRP)


Connections

  • Number of analog inputs:
    • Phono MC: 0,11 mV, 100 Ohm
    • Phono MM: 2.5 mV, 50 kOhm, max. 210 mV
    • Tuner: 150 mV / 50 kOhm
    • CD 1, 2: 150 mV / 50 kOhm
    • VDP: 150 mV / 50 kOhm

DAT: 150 mV / 50 kOhm

    • VCR: 150 mV / 50 kOhm
    • Tape Play 1, 2: 150 mV / 50 kOhm

Tape Play 2 DIN:

    • Processor In: 150 mV / 50 kOhm
    • Main In: 1 V, 20 kOhm
  • Number of Digital Inputs:
    • Coaxial 1, 2, 3: 0.5 V, 75 Ohm
    • Optical 1, 2, 3: Optical TOS - 17.5 dBm to - 27 dBm
  • Number of analog outputs:
    • Tape Rec 1, 2: 150 mV / 470 Ohm.

DAT: 150 mV / 470 Ohm

    • Pre out: 1 V, 1 kOhm
    • Headphones:
    • 2 speaker pairs
  • Number of digital outputs:
    • Coaxial 1, 2: 75 Ohm


Technical Data

  • Continuous power (at THD)
    • 8 Ohm: 2x 135 W (20 Hz - 20'000 Hz, 0.008% THD), 2x 165 W (1 kHz, DIN)
    • 4 Ohm: 2x 230 W (1 kHz, DIN)
  • Dynamic power
    • 8 Ohm: 2x 180 W
    • 4 Ohm: 2x 280 W
    • 2 Ohm: 2x 460 W
  • Frequency response:
    • Phono: RIAA deviation < 0.2 dB (20 Hz - 20 kHz).
    • High level: 2 Hz - 100 kHz + 0 dB, - 1 dB
  • Distortion factor: 0.005 %
  • Attenuation factor: 100 at 8 ohms
  • Signal-to-noise ratio:
    • Phono MC: 85 dB
    • Phono MM: 89 dB

High level: 107 dB

  • Tone control
    • Bass: ± 10 dB at 20 Hz
    • Double bass: ± 10 dB
    • Treble: ± 8 dB at 20 kHz
  • Loudness: + 10 dB at 100 Hz / + 3 dB at 10 kHz
  • High Filter: - 6 dB / octave at 6 kHz
  • Low Filter: - 12 dB / octave at 30 Hz
  • Muting: 0 dB, - 20 dB


Digital Section

  • Converter: 18-bit, 8-fold oversampling
  • Sampling rate: 352.8 kHz
  • Sampling frequencies: 32 kHz / 44.1 kHz / 48 kHz
  • Frequency response: 2 Hz - 20 kHz
  • Signal-to-noise ratio: 110 dB
  • Dynamic range: 103 dB
  • Distortion factor: 0.0015 % THD (1 kHz)
  • Max. Output voltage: 2 V


Special Features

  • Double bass switch
  • Microphone mixer
  • Tape dubbing

Remarks

Pictures

  • Extract from brochure 1: Onkyo A-8990

Onkyo A-8990-Prospekt-1.jpg


  • Extract from brochure 2: Onkyo A-8990

Onkyo A-8990-Prospekt-2.jpg


Reports

Links

  • External link to website "The Vintage Knob": [1]