Stereo Amplifier SA-7700

Pioneer Corporation; Tokyo

Data
Forum
Pictures
Collections

  • Year
  • 1978/1979
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 335614

 Technical Specifications

  • Number of Transistors
  • 29
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 120 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 120 W (undistorted)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Stereo Amplifier SA-7700 - Pioneer Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 450 x 148 x 329 mm / 17.7 x 5.8 x 13 inch
  • Notes

  • A hi-fi stereo integrated amplifier housed in a wooden case with continuous power output of 2 x 60 watts into 8 ohms. Two power level meters, terminals for two pairs of loudspeakers, jack for headphones.

    Specification  
    Amplifier Section  
    Circuitry

         		 1st stage current mirror loaded
    differential amplifier, constant current
    loaded all-stage direct-coupled OCL.
    Continuous power output

         		 60 watts per channel, min., into 8Ω
    from 20Hz — 20,000Hz
    with no more than 0.04% THD
    Total Harmonic Distortion
    (20Hz — 20,000Hz, from AUX)    		  
    Continuous rated power output
    30W per channel power output, 8Ω    		 No more than 0.04%
    No more than 0.03%
    Intermodulation Distortion  
    Continuous rated power output
    30W per channel power output, 8Ω    		 No more than 0.05%
    No more than 0.02%
    Output
     Speaker
    A, B, A+B
    Damping Factor
    (20Hz — 20,000Hz, 8Ω)
    40
    Inputs
    Sensitivity/Impedance    		  
     PHONO
     TUNER
     AUX
     TAPE PLAY 1
     TAPE PLAY 2    		 2.5mV/50kΩ
    150mV/50kΩ
    150mV/50kΩ
    150mV/50kΩ
    150mV/50kΩ
    Outputs
    Level/Impedance    		  
     TAPE REC 1
     TAPE REC 2    		 150mV
    150mV
    Frequency Response  
     PHONO (RIAA Equalization)
     TUNER, AUX, TAPE PLAY    		 20Hz — 20,000Hz ±0.2dB
    20Hz — 40,000Hz ±2dB
    Hum and Noise
    (IHF, short-circuited, A network)    		  
     PHONO
     TUNER, AUX, TAPE PLAY    		 86dB (Phono interference filter off)
    95dB

    Semiconductors: 1 IC, 29 Transistors, 26 Diodes

    Versions/Power requirements
    KU USA  /  120V AC 60Hz
    KC Canada  /  120V AC 60Hz

    Power consumption:  180 watts max

    The Pioneer SA-706 Stereo Amplifier in a metal case is similar.

  • Mentioned in
  • - - Manufacturers Literature (1978/79 Pioneer Hi-Fi Stereo catalogue (SA-706))
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service manual Pioneer SA-7700 and SA-706)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum