Stereo Receiver SX-5570

Pioneer Corporation; Tokyo

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  • Year
  • 1976 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 313649

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 120; 220; 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 170 W (220 W max.)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Receiver SX-5570 - Pioneer Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 526.6 x 173 x 411.5 mm / 20.7 x 6.8 x 16.2 inch
  • Notes

  • A stereo hi-fi receiver with an AM/FM tuner and an integrated amplifier with output power of 85 watts RMS into 8Ω (110 watts into 4Ω). FM Signal Strength and FM Tuning meters. Pre-out, Power-In, 3 AC outlets.

    Specification
    Semiconductors:  
    FETs 4, ICs 4, Transistors 55, Diodes 36
    Power Amplifier Section
    Continuous Power Output from 20Hz to 20kHz
       (Both channels driven)    85 watts per channel (8Ω)
                                          110 watts per channel (4Ω)
    Total Harmonic Distortion
       (20Hz to 20kHz, from AUX)
       Continuous Rated Power Output  No more than 0.1%
    Intermodulation Distortion
       (50Hz: 7kHz=4:1, from AUX)
       Continuous Rated Power Output  No more than 0.1%
    Frequency Response 7Hz to 90kHz +0,-1dB
    Input Sensitivity/Impedance
       Power Amp In        1V/50kΩ
    Output
       Speaker     A, B, C, A+B, B+C
       Headphone Low Impedance
    Damping Factor
       (20Hz to 20kHz, 8 ohms)   25
    Hum and Noise (IHF, short-circuited, A Network) 100dB
    Preamplifier Section
    Input Sensitivity/Impedance
       PHONO 1, 2             2.5mV/50kΩ
       MIC                          6.5mV/50kΩ
       AUX                         150mV/50kΩ
       TAPE PLAY 1, 2/DIN 150mV/50kΩ
    Output Level/Impedance
       TAPE REC 1, 2        150mV
       TAPE REC 2 (DIN)    30mV/80kΩ
       PRE OUT                 1V/100Ω
    Total Harmonic Distortion
       (20Hz to 20kHz 1V output)   No more than 0.05%
    Frequency Response
       PHONO (RIAA equalization)  30Hz to 15kHz ± 0.2dB
       AUX, TAPE PLAY                 15Hz to 40kHz +0,-1dB
    Hum and Noise
       (IHF, short-circuited, A Network, rated power)
       PHONO                75dB
       AUX, TAPE PLAY  90dB
    Muting                    -20dB
    FM Section
    Usable Sensitivity    
      MONO    10.3dBf (3.6µV/300Ω)
      STEREO 22.2dBf (14.1µV/300Ω)
    Usable Sensitivity (IHF '58) 1.8µV
    S/N Ratio at 65dBf          
      MONO    72dB
      STEREO 67dB
    Frequency Response  30Hz to 15kHz +0.2%,-2.0%
    Muting Threshold   14dBf (5.5µV/300Ω)
    Stereo Separation  40dB (1kHz), 30dB (30Hz - 15kHz)
    Antenna Input        300Ω balanced, 75Ω unbalanced
    AM Section
    Sensitivity (IHF, Ferrite antenna)  300µV/m, (IHF, Ext. antenna)  15µV
    Selectivity    40dB
    S/N Ratio     55dB
    Antenna       Built-in Ferrite Loopstick Antenna

    Same as the Pioneer SX-950 Stereo Receiver but with a black fascia.

  • Net weight (2.2 lb = 1 kg)
  • 19.1 kg / 42 lb 1.1 oz (42.07 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service Manual SX-950 AM/FM Stereo Receiver)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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