Stereo Preamplifier SC-700

Pioneer Corporation; Tokyo

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  • Year
  • 1970–1972
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 335441

 Technical Specifications

  • Number of Transistors
  • 14
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 120; 110/120/130/220/240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Preamplifier SC-700 - Pioneer Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 300 x 115 x 254 mm / 11.8 x 4.5 x 10 inch
  • Notes

  • A hi-fi stereo preamplifier housed in a metal case with wood trim, for use with the matching Pioneer SM-700 Power Amplifier and optional Pioneer SF-700 Electronic Crossover Network. With rotary switches for Power (Off/On), Selector (Phono1, Phono2, Tuner, Aux1, Aux2), Mode (Stereo, Rev, L, R, L+R), Rotary controls for Volume, Bass, Treble and Balance, On/Off push button switches for Muting and Tape monitor and a jack for headphones. On the rear, RCA phono sockets for Left and Right channel output, input Phono1, Phono2, Tuner, Aux1, Aux2 , for Tape Rec and Tape P/B, DIN socket for Tape Rec/PB, and 2 switched and 2 unswitched AC outlets.

    Specification  
    Audio Section  
    Maximum Output Voltage 4V RMS / < 0.5% H.D. at 1kHz
    Harmonic Distortion < 0.05% at 2V
    Frequency Response 10Hz — 60kHz ±1dB (input terminal AUX)
    S/N Ratio  
     PHONO
     AUX    		 80dB at 4V, IHF
    100dB at 4V, IHF
    Sensitivity/Impedance INPUT
    terminals (at 1kHz 4V output)    		  
     PHONO 1,2
     AUX 1,2
     TUNER    		 4mV / 50kΩ
    250mV / 220kΩ
    250mV / 220kΩ
    Equalization NFB type RIAA
    Muting -20dB,switchable to ON-OFF
    Output Jacks and Terminals Output (Output Impedance less than 5Ω at 1kHz)
    Load Impedance > 20kΩ
      Stereo Headphone Jack (8Ω — 16Ω)
    TAPE REC/PB Connector (DIN type)

    Semiconductors: 2 FETs, 14 Transistors, 3 Diodes

    Versions/Power requirements
    KCL USA, Canada   /  120V AC 60Hz
           General Export  /  110/120/130/220/240V AC 50/60Hz with voltage selector

    Power consumption:  5VA

    Sold in Japan as the Pioneer SC-70 Stereo Preamplifier.

  • Net weight (2.2 lb = 1 kg)
  • 4.1 kg / 9 lb 0.5 oz (9.031 lb)
  • Mentioned in
  • - - Manufacturers Literature (1970 & 1972 Pioneer Hi-Fi catalogues and SC-700 brochure)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Installation, Operating and Service manual Pioneer SC-700)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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