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Onkyo Integra A-8250 Stereo Amplifier (1985-87') sound Test after repair and maintenance



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Onkyo Integra A-8250 Integrated Stereo Amplifier (1985-87')
- repaired the https://t.me/Master_Man_Service in LV /

Specifications:
Manufacturer: Onkyo
Model: A-8250
Type: Integrated amplifier
Years of manufacture: 1985 - 1987
Made in: Japan
Colors: Silver, Black
Remote control: No
Power consumption: 220 W
Dimensions: 435 x 144 x 391 mm (WxHxD)
Weight: 10.5 kg
Original price approx.: 700 DM
Connections:
Number of inputs: 8
Phono MM: 2.5 mV / 50 kOhm
Phono MC: 160 µV / 100/220 Ohm
Tuner: 150 mV / 50 kOhm
Tape Play: 150 mV / 50 kOhm
Tape Rec: 150 mV / 1,5 kOhm (Phono)
Number of outputs:
Loudspeaker
Off
A or B or A+B, 4-8 Ohm
Jack (headphones)

Phono Overload Resistance:
200 mV, effective, at 1 kHz, 0.018% distortion factor
Technical data:
Continuous power 1 kHz (DIN):
into 8 Ohm: 2x 75 Watt
into 4 Ohm: 2x 100 Watt Dynamic power 1 kHz (DIN):
into 8 Ohm: 2x 100 Watt
into 4 Ohm: 2x 140 Watt

Total harmonic distortion: 0.018 % at rated power
Attenuation factor: 50 at 8 Ohm
Frequency response: 2 - 50,000 Hz
Signal-to-noise ratio line: 85 dB (IHF A-202, 0.5 V input, 1 Watt output)
Stereo channel separation:
Tone control:
Bass: ± 8 dB at 70 Hz

Treble: ± 8 dB at 20 kHz

Loudness: +6 dB at 70 Hz, +5 dB at 20 kHz
High Filter: 6 kHz 6 dB/oct.
Low Filter (Subsonic): 15 Hz 6 dB/oct.
Mute: -20 dB
Direct/Line-Straight: no

https://hifi-wiki.com/index.php/Onkyo_A-8250
Category
Audio
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