Stereo Amplifier SA-720

Pioneer Corporation; Tokyo

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  • Year
  • 1981/1982
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 151095

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 120; 220; 240; 110/120/220/240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 130 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Amplifier SA-720 - Pioneer Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 420 x 94 x 349 mm / 16.5 x 3.7 x 13.7 inch
  • Notes

  • A hi-fi stereo integrated amplifier housed in a metal case with silver front with a digital power meter display, with continuous power output of 65 watts per channel into 8 ohms 20-20,000Hz THD 0.03%.

    Integrierter Stereo-Verstärker mit 2 x 78 Watt Sinus an 8 Ohm (DIN). Gehäuse Silber-Metallic.

    Specification  
    Continuous power output 65 Watts per channel, min.
    into 8Ω from 20Hz—20,000Hz
    with no more than 0.03% THD
    Continuous Power Output at 1kHz
    (both channels driven)
    THD 0.01%, 8Ω    		 70 watts per channel
    Total Harmonic Distortion
    (20Hz — 20kHz, 8Ω, from AUX)
    32.5 Watts per channel    		 No more than 0.02%
    Intermodulation Distortion
    (8Ω, from AUX)    		  
     continuous rated power output
     32.5 watts per channel power output    		 No more than 0.03%
    No more than 0.02%
    Damping Factor (20Hz — 20kHz, 8Ω) 50
    Input (Sensitivity/Impedance)  
     PHONO
     TUNER
     AUX
     TAPE PLAY 1, 2/ADAPTOR    		 2.5mV/50kΩ
    150mV/50kΩ
    150mV/50kΩ
    150mV/50kΩ
    Output (Level)  
     TAPE REC 1, 2/ADAPTOR
     Speaker    		 150mV
    A, B, OFF
    Frequency Response  
     PHONO (RIAA Equalization)
     TUNER, AUX, TAPE PLAY 1, 2/ADAPTOR    		 20Hz — 20kHz ±0.3dB
    10Hz — 70kHz +0,-2dB
    Subsonic Filter 15Hz (-6dB/oct)
    Hum and Noise
    (IHF, short-circuited, A network)    		  
     PHONO
     TUNER, AUX, TAPE PLAY 1, 2/ADAPTOR    		 84dB
    103dB
    Hum and Noise
    (DIN, continuous Power/50mW)    		  
     PHONO
     TUNER, AUX, TAPE PLAY 1, 2/ADAPTOR    		 71dB/62dB
    88dB/62dB

    Versions/Power requirements

    KU USA 120V AC 60Hz
    HE Europe 220/240V AC 50/60Hz switchable
    HB UK 220/240V AC 50/60Hz switchable
    YP Australia 240V AC 50/60Hz
    S General 110/120V/220/240V AC 50/60Hz with voltage selector
    S/G US Military 110/120V/220/240V AC 50/60Hz with voltage selector

    Power consumption:  340 watts (HE, HB, YP), 130 watts (KU, S, SG)

  • Net weight (2.2 lb = 1 kg)
  • 7.3 kg / 16 lb 1.3 oz (16.079 lb)
  • Source of data
  • -- Original prospect or advert
  • Mentioned in
  • - - Manufacturers Literature (1981/82 Pioneer Hi-Fi Stereo catalogue)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Service manual SA-720 dated Apr 1981)
  • Literature/Schematics (3)
  • - - Manufacturers Literature (Operating Instructions Pioneer SA-720)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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