Hitachi SR-504
Data
General
- Manufacturer: Hitachi
- Model: SR-504
- Type: Receiver
- Years of manufacture: 1979 - 1980
- Made in: Japan
- Color: Silver
- Remote control: no
- Power consumption: 150 W max.
- Dimensions: 435 x 144 x 350 mm (WxHxD)
- Weight: 7.4 kg
- Original price approx.: 600 DM
Connections
- Number of inputs:
- Phono: 3 mV / 47 kOhm, 220 mV max.
Aux: 150 mV / 50 kOhm
- Tape Play 1, 2: 150 mV / 50 kOhm
- Tape Play DIN 1, 2: 150 mV / 80 kOhm
- Antenna FM / MW: 75 Ohm / 300 Ohm
- Number of outputs:
- Tape Rec 1, 2: 150 mV
- Tape Rec DIN 1, 2: 50 mV
Headphones
- 2 pairs of loudspeakers
Technical Data
Amplifier
- Continuous power (DIN)
8 Ohm: 2x 27 W (RMS, 20 - 20'000 Hz)
- 4 Ohm:
- Dynamic power
- 8 Ohm:
- 4 Ohm: 2x 40 W
- Total harmonic distortion: 0.08% (at nominal power)
- Attenuation factor: 20
- Frequency response: 10 - 30'000 Hz, ± 1,5 dB
- Signal-to-noise ratio: (extraneous voltage)
- Phono: 70 dB
- High level: 90 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:
- Low Filter (Subsonic): - 8 dB at 50 Hz, 12 dB / octave.
- Mute:
Tuner
- Reception: FM, MW
- Frequencies:
- FM: 88 - 108 MHz
MW: 530 - 1'605 kHz
- Frequency response: 30 - 15'000 Hz, + 0,5 dB, - 1 dB
- Input sensitivity:
- VHF: 1.5 µV
MW: 20 µV
- Distortion factor:
- FM: 0.15% (mono), 0.3% (stereo)
MW: 0.2% Signal-to-noise ratio:
- FM: 65 dB
- MW: 50 dB
- Channel separation: 40 dB
- selectivity:
- FM: 53 dB
- MW: 40 dB
- Equal wave selection:
- FM: 1 dB
- Spurious wave selection: 100 dB
- Mirror frequency attenuation:
- FM: 85 dB
MW: 70 dB
- IF attenuation:
- FM: 100 dB
- MW: 90 dB
- AM suppression: 55 dB
Special Features
- FM muting
Remarks
- Other models in the same series:
- Hitachi SR-504
- Hitachi SR-604
- Hitachi SR-804
- Hitachi SR-904
- Hitachi SR-2004
Pictures
- Image: Hitachi SR-504
- Excerpt from brochure: Hitachi SR-504