Pioneer SX-838

Data

General

  • Manufacturer: Pioneer
  • Model: SX-838

Type: Receiver

  • Years of manufacture: 1974 - 1976
  • Made in: Japan
  • Color: front silver, wooden cabinet
  • Remote control: no
  • Power consumption: 350 W
  • Dimensions: 520 x 175 x 420 mm (WxHxD)
  • Weight: 16,2 kg
  • Original price approx.: 500 US-$, 2'160 DM


Connections

  • Number of inputs:
    • Phono MM 1, 2: 2.5 mV, 50 kOhm, 170 mV max.
    • Microphone (6,3mm jack): 2 mV, 50 kOhm
    • Aux: 150 mV, 80 kOhm
    • Tape 1, 2 Play: 150 mV, 80 kOhm

Tape Play (DIN): 150 mV, 80 kOhm NR Adapter In: 150 mV, 80 kOhm Main In: 1 V, 50 kOhm

    • Antenna (FM: 75, 300 Ohm, MW: 300 Ohm).
  • Number of outputs:
    • Tape Rec 1, 2: 150 mV
    • Tape (DIN): 30 mV, 80 kOhm

NR Adapter Out: 150 mV

    • Pre Out: 1 V, 2 kOhm, 3 V max.
    • Headphones (6.3mm jack)
    • 3 speaker pairs


Technical Data

Amplifier

  • Continuous power (at distortion):
    • 8 Ohm: 2x 50 W (RMS, 20 - 20'OOO Hz).
    • 4 Ohm: 2x 60 W
  • dynamic power:
    • 8 Ohm:
    • 4 Ohm:
  • Total harmonic distortion: < 0.3 %
  • Attenuation factor: 50 (8 Ohm, 1 kHz)
  • Frequency response:
    • Phono, RIAA: 30 - 15'000 Hz, ± 0,3 dB
    • High level: 15 - 40'000 Hz, + 0,5 dB, - 1 dB
  • Signal-to-noise ratio:
    • Phono: 70 dB
    • Microphone: 65 dB
    • High level: 95 dB
  • Tone control:
    • Bass: ± 10 dB at 100 Hz
    • Tilt frequencies: 200 Hz, 400 Hz

Treble: ± 10 dB at 10 kHz

    • Tilt frequencies: 2.5 kHz, 5 kHz
  • Loudness: + 8 dB at 100 Hz, + 4 dB at 10 kHz
  • Subsonic: - 8 dB at 50 Hz, - 6 dB / octave
  • High Filter: - 9 dB at 10 kHz, - 6 dB / octave

Mute: - 20 dB


Tuner

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

MW: 15µV

  • All other specifications for VHF
  • Frequency response: 20 - 15'000 Hz, + 0,2 dB, - 2 dB
  • Distortion factor:
    • Mono: < 0.2 %

Stereo: < 0.4

  • Signal-to-noise ratio:
    • Mono: 70 dB

Stereo: 65 dB

  • Channel separation: 40 dB (1 kHz)
  • selectivity: 80 dB
  • Co-wave selection: 1.0 dB
  • Spurious wave selection: 100 dB
  • Image frequency attenuation: 85 dB
  • IF attenuation: 100 dB
  • AM suppression: 55 dB


Special Features

  • Pre- and power amplifier can be separated (Main In/Pre Out)


Remarks








Pictures

  • Image: Pioneer SX-838

SX838.jpg


  • Excerpt from brochure: Pioneer SX-838

Pioneer SX-838-Prospekt-1.jpg


Reports

Links