Receiver Hitachi SR-703

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Manufacturer: Hitachi
Model: SR-703
Type: Receiver
Years of manufacture: 1977 - 1978
Made in: Japan
Color: Silver, Black
Remote control: no
Power consumption: 320 W
Dimensions: 490 x 144 x 400 mm (WxHxD)
Weight: 11.5 kg
Original price approx.: 898 DM

Connections

Number of inputs:
Phono: 2.5 mV / 47 kOhm, 220 mV max.
Aux: 150 mV / 50 kOhm
Tape Play 1, 2: 150 mV / 50 kOhm
Tape Play DIN 1, 2: 450 mV / 70 kOhm
Antenna FM / MW: 75 Ohm / 300 Ohm
Number of outputs:
Tape Rec 1, 2: 150 mV
Tape Rec DIN 1, 2: 40 mV
Headphones

2 pairs of loudspeakers

Technical Data

Amplifier

Continuous power (DIN)
8 Ohm: 2x 40 W (RMS, 20 - 20'000 Hz) 4 Ohm: 2x 60 W

Dynamic power
8 Ohm: 2x 65 W
4 Ohm: 2x 75 W
Total harmonic distortion: 0.2 % (at nominal power)
Attenuation factor: 30
Frequency response: 10 - 30'000 Hz, ± 1 dB
Signal-to-noise ratio:
Phono: 70 dB
High level: 80 dB
Tone control:
Bass: ± 10 dB at 100 Hz
Treble: ± 10 dB at 10 kHz

Loudness: + 9 dB at 100 Hz, + 4 dB at 10 kHz
High Filter: - 5 dB at 10 kHz, 12 dB / octave
Low Filter (Subsonic):
Mute:

Tuner

Reception: FM, MW
Frequencies:
FM: 88 - 108 MHz
MW: 530 - 1'605 kHz

Frequency response: 30 - 15'000 Hz
Input sensitivity:
FM: 1.6 µV
MW: 20 µV
Distortion factor:
FM: 0.2% (mono), 0.25% (stereo)
MW: 0.3% Signal-to-noise ratio:

FM: 74 dB
MW: 68 dB
Channel separation: 40 dB
selectivity:
FM: 60 dB
MW: 40 dB
Equal wave selection:
FM: 1 dB
Spurious wave selection: 80 dB
Mirror frequency attenuation:
FM: 56 dB
MW: 70 dB

IF attenuation:
FM: 90 dB
MW: 90 dB
AM suppression: 55 dB

Special Features

FM muting