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General

Manufacturer: Onkyo
Model: A-8470 - Onkyo Integra Series
Type: Integrated amplifier
Years of manufacture: 1987 - 1988
Made in: Japan
Colours: Black
Remote control: No
Power consumption: 360 W
Dimensions: 435 x 157 x 396 mm (WxHxD)
Weight: 13.2 kg
Original price approx.: 1'000 DM

Connections

Number of inputs: 6
Phono (MM/MC)
Tuner
CD
2x Aux (VCR and VDP)
2x Tape
Number of outputs: 3
Headphones (6,3 mm jack)
2x Tape Rec.
2x loudspeaker

Technical Data

Continuous power (at distortion factor)
8 Ohm: 115 W / 1 kHz
4 Ohm: 150 W / 1 kHz
Dynamic power
8 Ohm: 170 W
4 Ohm: 235 W
2 Ohm: 303 W
Total harmonic distortion: 0.008%
Intermodulation distortion: 0.005% at rated power
Attenuation factor: 50 (at 8 ohms)
Input (Sensitivity/ Impedance)
Phono (MM): 2.5 mV / 50 kOhm (94dB at 5.0 mV input), (MC): 160 µV / 220 kOhm (75dB at 0.6 mV input)
Tuner, CD, CD Direct, Aux, Tape = 150 mV / 50 kOhm (CD Direct: 107 dB)
Frequency response CD & Tuner: 2 - 50,000 Hz (-0, -1 dB)
Frequency response Phono (MM): 20 - 20,000 Hz (+/- 0.3dB)
Tone control:
Double bass: +/-10 dB Mute OFF / +/-20 dB Mute ON (at 20 Hz).
Bass: +/-10 dB (at 70 Hz)
Treble: +/-8 dB (at 20 kHz)
Loudness: No
Subsonic: no
Mute: yes (-20 dB)
CD-Direct/Line-Straight: yes

Special Features

REAL-PHASE system = exactly the same phase position of both stereo signals for perfect sound purity and original fidelity of a digital music recording
Switch-on delay via relay
Switching off the power amplifier in case of speaker overload
The position settings of the direct selection switches (switched) are backlit