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

• Corresponding CD player - Grand Integra:
• Onkyo DX-6990

Pictures

• Extract from brochure 1: Onkyo A-8990

• Extract from brochure 2: Onkyo A-8990

Links

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