Hitachi SR-503 L
Data[edit]
General
- Manufacturer: Hitachi
- Model: SR-503 L
- Type: Receiver
- Years of manufacture: 1977 - 1978
- Made in: Japan
- Color: Silver, Black
- Remote control: no
- Power consumption:
- Dimensions: 435 x 134 x 359 mm (WxHxD).
- Weight: 7.6 kg
- Original price approx.: 598 DM
Connections
- Number of inputs:
- Phono: 2.5 mV / 47 kOhm, 100 mV max.
- Aux: 200 mV / 40 kOhm
- Tape Play 1, 2: 200 mV / 40 kOhm
- Tape Play DIN 1, 2: 490 mV / 100 kOhm
- Antenna FM / MW: 75 Ohm / 300 Ohm
- Number of outputs:
- Tape Rec 1, 2: 200 mV
- Tape Rec DIN 1, 2: 40 mV
Headphones
- 2 pairs of loudspeakers
Technical Data
Amplifier
- Continuous power (DIN)
8 Ohm: 2x 17 W (RMS, 20 - 20'000 Hz) 4 Ohm: 2x 30 W
- Dynamic power
- 8 Ohm: 2x 40 W
- 4 Ohm: 2x 55 W
- Total harmonic distortion: 0.3 % (at nominal power)
- Attenuation factor: 30
- Frequency response: 20 - 20'000 Hz, ± 1 dB
- Signal-to-noise ratio:
- Phono: 60 dB
- High level: 80 dB
- Tone control:
- Bass: ± 11 dB at 100 Hz
Treble: ± 9 dB at 10 kHz
- Loudness: + 9 dB at 100 Hz, + 4 dB at 10 kHz
- High Filter:
- Low Filter (Subsonic):
- Mute:
Tuner
- Reception: FM, MW, LW
- Frequencies:
- FM: 88 - 108 MHz
MW: 530 - 1'605 kHz LW: 150 - 350 kHz
- Frequency response: 30 - 15'000 Hz
- Input sensitivity:
- VHF: 1.8 µV
- MW: 20 µV
- LW: 100 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
- 3-wave receiver
Remarks[edit]
- Other models in the same series:
- Hitachi SR-503 L
- Hitachi SR-603
- Hitachi SR-703
- Hitachi SR-803
- Hitachi SR-903
Pictures[edit]
- Extract from brochure: Hitachi SR-503 L, SR-603, SR-703, SR-803, SR-903
- Extract from brochure: Hitachi SR-503 L