Stereo Amplifier SA-7300

Pioneer Corporation; Tokyo

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  • Year
  • 1975–1977
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 217726

 Technical Specifications

  • Number of Transistors
  • 20
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 220; 110/120/130/220/240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 70 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Amplifier SA-7300 - Pioneer Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 350 x 125 x 282 mm / 13.8 x 4.9 x 11.1 inch
  • Notes

  • A hi-fi stereo integrated amplifier housed in a metal case with continuous power output of  2 x 35 watts into 8 ohms 20Hz-20,000Hz. Terminals for 2 pairs of loudspeakers, jack for headphones.

    Specification  
    Amplifier Section  
    Circuitry 1-stage differential amplifier
    Direct coupled OCL
    Continuous Power Output
    20 — 20kHz
    (Both channels driven)    		 35W + 35W into 8Ω
    40W + 40W into 4Ω
    Total Harmonic Distortion
    20 — 20kHz    		  
    Continuous Rated Power Output
    20W Power Output, 8Ω    		 No more than 0.3%
    No more than 0.08%
    Intermodulation Distortion  
    Continuous Rated Power Output
    20W Power Output, 8Ω    		 No more than 0.3%
    No more than 0.08%
    Power Bandwidth  
    IHF, Both channels driven 5Hz — 60kHz (THD 0.3%)
    Output
     Speaker
     Headphone
    A, B, A+B
    Low impedance
    Damping Factor (20Hz—20kHz, 8Ω) 25
    Inputs  
    Sensitivity/Impedance
     PHONO
     TUNER
     AUX
     TAPE PB 1,2
     TAPE PB 2 (DIN connector)
    2.5mV/50kΩ
    150mV/50kΩ
    150mV/50kΩ
    150mV/50kΩ
    150mV/50kΩ
    Outputs
    Level/Impedance
     TAPE REC 1,2
     TAPE REC 2 (DIN connector)

    150mV
    30mV/80Ω
    Frequency Response
     PHONO (RIAA equalization)
     TUNER, AUX, TAPE PB
    30Hz — 15kHz ±0.3dB
    10Hz — 50kHz +0dB,-1dB
    Hum & Noise
    (IHF, short circuited, A Network)
     PHONO
     TUNER, AUX, TAPE PB

    70dB
    90dB

    Semiconductors: 4 ICs, 20 Transistors, 16 Diodes

    Versions/Power requirements
    GN  /  220V AC 50/60Hz
    FA,FP,FV  /  110/120/130/220/240V AC 50/60Hz with voltage selector

    Power consumption: 310 Watts (GN), 270 Watts (FA,FP,FV)

  • Net weight (2.2 lb = 1 kg)
  • 7.5 kg / 16 lb 8.3 oz (16.52 lb)
  • Price in first year of sale
  • 843.00 DM
  • Source of data
  • - - Data from my own collection
  • Mentioned in
  • - - Manufacturers Literature (1975/76 1976/7 Pioneer Hi-Fi catalogues)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Operating Instructions Pioneer SA-7300)

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