Manufacturer: Rotel
Model: RX-503
Years of manufacture: 1976 - 1981
Made in: Japan
Color: Silver, metal housing with handles
Remote control: no
Power consumption:
Dimensions (WxHxD): 480 x 145 x 325 mm.
Weight: 10 kg
Original price approx.: 340 US-$, corresponds to about 1'000 DM

Technical Data

Amplifier

Continuous power (at distortion)
8 Ohm: 2x 35 Watt (20 Hz - 20'000 Hz)
4 Ohm: 2x 50 Watt (1 kHz)
Dynamic power
8 Ohm:
4 Ohm:
Frequency response: 10 Hz - 50 kHz, ± 3 dB
Distortion factor: 0.1 %
Attenuation factor: 35 at 8 ohms
Signal-to-noise ratio:
Phono MM: 75 dB
High level: 90 dB