Pioneer A-503 R specifications

Brand : Pioneer

General

Connections

Technical data

Special features

Manufacturer: Pioneer
Model: A-503 R
Type: Integrated amplifier
Years of construction: 1994 - 1995
Manufactured in: Japan
Color: Black
Remote control: optional, output jack for system remote control, can be operated remotely : volume, input selector switch, muting, and on/stand-by
Power consumption: max. 500 W
dimensions (WxHxD): 420 x 125 x 360 mm
weight: 8.4 kg
factory price approx.: 700, DM

number of inputs:
- Phono: 2,5 mV / 50 K-ohms
- CD, Tuner, Line, 2 x Tape, Adaptor: 150 mV / 50 K-ohms
number of outputs:
- 2x Tape Out, Adaptor: 150 mV / 2.2 K-ohms
- headphone (6.3 mm Jack, front)
- 2 pairs of Speakers

continuous power (at THD)
- 8 Ohm : 2x 70 W (0.005%)
- 4 Ohm : 2 x 100 W (0.008%)
- 2 Ohm : 2x 130 W (0.008%)
dynamic performance
- 8 Ohm : 2 x 100 W
- 4 Ohm : 2x 135 W
- 2 Ohm : 2x 170 W
total harmonic distortion: 0.01 by %
frequency response: 5 - 100000 Hz 0 dB, -3 dB
signal-to-Noise ratio: 107 dB* frequency response:
- Phono: 20 Hz to 20,000 Hz (±0.2 dB)
- high level: 1 to 150,000 Hz (+0/-3 dB)
signal-to-noise ratio:
- IHF (short-circuited, A-weighted)
  - Phono MM/MC: 94 dB / 76 dB
  - high level: 110 dB
- DIN (continuous power/50 mW)
  - Phono MM: 74 dB / 65 dB
  - high level: 92 dB / 68 dB
stereo channel separation:
control:
- Bass: Yes, ±8 dB (100 Hz)
- height: yeah, ±8 dB (10 kHz)
Loudness: Yes, +5 dB (100 Hz), +3 dB (10 kHz) (at -40 dB volume)
High Filter : no
Low Filter (Subsonic): no
Mute: Yes
Direct/Line-Straight: Yes

IHF (short-circuited, A-weighted)
- Phono MM/MC: 94 dB / 76 dB
- high level: 110 dB
DIN (continuous power/50 mW)
- Phono MM: 74 dB / 65 dB
- high level: 92 dB / 68 dB