Pioneer SX-4

Data

General

• Manufacturer: Pioneer
• Model: SX-4 (Model SX-4 L with long wave)
• Type: Receiver
• Years of manufacture: 1981 - 1983
• Made in: Japan
• Colour: Champagne
• Remote control:
• Power consumption: 200 W
• Dimensions (WxHxD): 420 x 98 x 311 mm
• Weight: 5,2 kg
• Original price approx:
  • Model SX-4: 750 DM

Model SX-4 L: 798 DM

Connections

• Number of inputs:
  • Phono MM: 2.5 mV / 50 kOhm, 130 mV max.
  • Aux / Video: 150 mV / 50 kOhm.
  • Tape Play: 150 mV / 50 kOhm
  • Antenna (FM: 75, 300 Ohm, MW: 300 Ohm).
• Number of outputs:
  • Tape Rec: 150 mV / 2.2 kOhm
  • Headphones: 4 - 16 Ohm
  • 2 pairs of loudspeakers

Technical Data

Amplifier

• Continuous power
  • 8 Ohm: 2x 20 W (RMS, 20 - 20'000 Hz)
  • 4 Ohm:
• Dynamic power
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: < 0.009 %
• Attenuation factor: 50 (8 Ohm)
• Frequency response:
  • Phono, RIAA: 30 - 15'000 Hz, ± 0,3 dB
  • High level: 10 - 50'000 Hz, + 0,5 dB, -3 dB
• Signal-to-noise ratio:
  • Phono MM: 70 dB
  • High level: 90 dB
• Tone control:
  • Bass: ± 8 dB at 100 Hz

Treble: ± 8 dB at 10 kHz

• Loudness: + 6 dB at 100 Hz
• High Filter:
• Low Filter (Subsonic):
• Mute:

Tuner

• Reception: FM, MW
• Frequencies:
  • FM: 88 - 108 MHz
  • MW: 525 - 1605 kHz
• Input sensitivity:
  • FM: 1.8µV

MW: 300µV

• All other specifications for VHF
• Frequency response: 20 - 15'000 Hz, ± 0,5 dB
• Distortion factor:
  • Mono: < 0.15 %

Stereo: < 0.3

• Signal-to-noise ratio:
  • Mono: 60 dB

Stereo: 56 dB

• Channel separation: 45 dB (1 kHz)
• selectivity: 65 dB
• Co-wave selection: 2.0 dB
• Spurious wave selection: 60 dB
• Image frequency attenuation: 65 dB
• IF attenuation: 90 dB
• AM suppression: 55 dB
• Station memory: 6x FM, 6x MW

Special Features

• Last Memory

Remarks

• Other models in the same series:
• Amplifier:
• Pioneer A-5
• Pioneer A-6
• Pioneer A-7
• Pioneer A-8
• Pioneer A-9

• [[Tuner:
• Pioneer F-5
• Pioneer F-7
• Pioneer F-9

• [[Receiver:
• Pioneer SX-4
• Pioneer SX-5
• Pioneer SX-6
• Pioneer SX-7
• Pioneer SX-8
• Pioneer SX-9

• [[Tape Decks
• Pioneer CT-3
• Pioneer CT-4
• Pioneer CT-5
• Pioneer CT-6 R
• Pioneer CT-7 R
• Pioneer CT-8 R
• Pioneer CT-9 R

• [[Record Player:
• Pioneer PL-2
• Pioneer PL-4
• Pioneer PL-5
• Pioneer PL-7
• Pioneer PL-8
• Pioneer PL-L 800

Pictures

• Image: Pioneer SX-4

• Extract from brochure: Pioneer SX-4