Stereo Amplifier SA-8500 II (2)

Pioneer Corporation; Tokyo

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  • Year
  • 1977
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 313752

 Technical Specifications

  • Number of Transistors
  • 47
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • 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
  • 120 W (150 W max.)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Amplifier SA-8500 II - Pioneer Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 420 x 150 x 376 mm / 16.5 x 5.9 x 14.8 inch
  • Notes

  • A stereo hi-fi integrated amplifier with power output of 60 watts per channel into 8 ohms (75 watts per channel into 4 ohms). RCA inputs for Phono 1, Phono 2, Tuner and Aux, RCA Rec/Play sockets for 2 tapes, DIN Rec/Play socket for 1 tape. Pre-out and Power Amp In sockets connected by removable U shaped connectors, output connectors for 2 pairs of loudspeakers. 4 AC outlets except Europe model. Bass and Treble tone controls, switches for High and Low filters, Loudness, Muting, Tape Duplicating and Tape monitor.  Jack for headphones.

    Specification
    Semiconductors: Transistors 47, Diodes  29
    Power Amplifier Section
    Circuitry   2-stage differential amplifier Parallel PP direct-coupled OCL.    
    Continuous Power Output from 20Hz to 20kHz
      (Both channels driven)    60 watts per channel (8 ohms)
                                          75 watts per channel (4 ohms)
    Total Harmonic Distortion at 20Hz to 20kHz
       Continuous rated power output                   0.05%
       30 watts per channel power output, 8ohms 0.01%
       l watt per channel power output, 8ohms      0.01%
    Intermodulation Distortion
      Continuous rated power output                   0.05%
      30 watts per channel power output, 8ohms  0.01%
      1 watt per channel power output, 8ohms     0.01%
    Frequency Response 5Hz to 100kHz +0dB,-1dB
    Input (Sensitivity/Impedance)
      POWER AMP IN    1V/50kohms
    Output  Speaker:      A, B, A + B
                Headphone: Low impedance
    Damping Factor (20Hz to 20kHz, 8ohms)    30
    Hum and Noise (IHF, short-circuited, A network)    110dB
    Preamplifier Section
    Circuitry
      Equalizer amplifier: 1st stage differential amplifier 3-stage direct-coupled A class SEPP.
      Control amplifier:    1st stage differential amplifier 2-stage direct-coupled, NFB type.
    Input (Sensitivity/Impedance)
      PHONO 1        2.5mV/50kohms
      PHONO 2        2.5mV/50kohms
      CARTRIDGE LOAD Both PHONO 1 and 2: 100, 200, 300, 400pF
      TUNER           150mV/50kohms
      AUX               150mV/50kohms
      TAPE PLAY 1 150mV/50kohms
      TAPE PLAY 2 150mV/50kohms
    Output (Level/Impedance)
      TAPE REC 1  150mV
      TAPE REC 2  150mV
      PRE OUT       1V/2kohms, 6V/2kohms (Max.)
    Total Harmonic Distortion
      (20Hz to 20,000Hz)          0.02%
    Frequency Response
      PHONO (RIAA Equalization) 20Hz to 20kHz ±0.2dB
      TUNER, AUX, TAPE PLAY     5Hz to 50kHz +0dB, -1dB

    Versions/Power Requirements
    KU  USA / 120V AC 60Hz
    KC  Canada / 120V AC 60Hz
    HG  Europe  / 220/240V AC 50/60Hz Switchable
    S    General Export / 110/120/220/240V AC 50/60Hz Switchable

    See also the earlier Pioneer SA-8500 Stereo Amplifier.

  • Net weight (2.2 lb = 1 kg)
  • 13.9 kg / 30 lb 9.9 oz (30.617 lb)
  • Mentioned in
  • -- Original prospect or advert (Pioneer Hi-Fi Stereo 1977/78 Catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Stereo Amplifier SA-8500 II Service Manual and Addendum dated Jan 1977)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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