Pioneer SX-727

Data

General

  • Manufacturer: Pioneer
  • Model: SX-727
  • Type: Receiver
  • Years of manufacture: 1972 - 1974
  • Made in: Japan
  • Color: front silver, wooden cabinet
  • Remote control: no
  • Power consumption: 270 W
  • Dimensions: 485 x 150 x 390 (WxHxD)
  • Weight: 14 kg
  • Original price approx.: 1'685 DM


Connections

  • Number of inputs:
    • Phono MM 1, 2: 3 mV, 50 kOhm
    • Microphone (6.3mm jack): 2.7 mV, 50 kOhm
    • Aux: 200 mV, 100 kOhm
    • Tape 1, 2 Play: 200 mV, 100 kOhm

Tape Play (DIN): 200 mV, 100 kOhm Main In: 500 mV, 50 kOhm

    • Antenna (FM: 75, 300 Ohm, MW: 300 Ohm).
  • Number of outputs:
    • Tape Rec 1, 2: 200 mV

Tape (DIN): 35 mV Pre Out: 500 mV, 4 V max.

    • Headphones (6.3mm jack)
    • 3 pairs of speakers


Technical Data

Amplifier

  • Continuous power (at distortion):
    • 8 Ohm: 2x 40 W

4 Ohm: 2x 50 W

  • dynamic power:
    • 8 Ohm: 122 W
    • 4 Ohm: 195 W
  • Total harmonic distortion: < 0.5%
  • Attenuation factor: 40 (8 Ohm, 1 kHz)
  • Frequency response:
    • Phono, RIAA: 20 - 20'000 Hz

High level: 7 - 80'000 Hz, ± 1 dB Signal-to-noise ratio:

    • Phono, RIAA: 85 dB
    • High level: 95 dB
  • Tone control:
    • Bass: ± 10 dB at 100 Hz

Treble: ± 10 dB at 10 kHz

  • Loudness: + 10 dB at 100 Hz, +6 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: 10µV

  • All other specifications for VHF
  • Frequency response: 20 - 15'000 Hz, + 0 dB, - 1 dB

Distortion factor:

    • Mono: < 0.3 %

Stereo: < 0.5

  • Signal-to-noise ratio: 70 dB
  • Channel separation: 40 dB (1 kHz)
  • selectivity: > 70 dB
  • Co-wave selection: 2.0 dB
  • Spurious wave selection: 85 dB
  • Image frequency attenuation: 85 dB
  • IF attenuation: > 100 dB
  • AM suppression: 50 dB


Special Features

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


Remarks







Pictures

  • Image: Pioneer SX-727

Sx727.jpg


  • Excerpt from brochure: Pioneer SX-727

Pioneer SX-727-Prospekt-1.jpg


Reports

Links