Stereo Power Amplifier SM-700

Pioneer Corporation; Tokyo

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  • Year
  • 1970–1972
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 299086

 Technical Specifications

  • Number of Transistors
  • 12
  • Semiconductors
  • Main principle
  • Audio-Amplification; 4 AF stage(s); Hi-Fi-High End products
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 120; 110/120/130/220/240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 54 W (120 W max.)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Power Amplifier SM-700 - Pioneer Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 300 x 118 x 254 mm / 11.8 x 4.6 x 10 inch
  • Notes

  • A hi-fi stereo power amplifier housed in a metal case with wood trim, with continuous power output of 2 x 27 watts into 8 ohms or 2 x 31 watts into 4 ohms, total music power 120 watts into 4 ohms. For use with the Pioneer SC-700 Stereo Preamplifier and the optional Pioneer SF-700 Electronic Crossover Network.  Rotary switches for Speaker Selection (Power Off, A, B, A & B), and Input Level (0.5V, 1V, 2V), and 2 push button switches for Speakers A, Left (Rev/Norm) and Right (Rev/Norm). Jacks for left and right channel input, center channel output, terminals for 2 pairs of loudspeakers (A, B) and 2 AC outlets, 1 switched (200VA max.) and 1 unswitched (200VA max.).

    Specification  
    Audio Section  
    Continuous Power Output
    (Both channels driven)    		 27W + 27W into 8Ω (1kHz)
    31W + 31W into 4Ω (1kHz)
    Music Power Output 80 watts total into 8Ω (IHF)
    120 watts total into 4Ω (IHF)
    Harmonic Distortion
    (at 1kHz, 20W power output)    		 < 0.05%
    Damping Factor > 30 (at 8Ω, 1kHz)
    Frequency Response 15Hz — 60kHz ±0.5dB
    Power Bandwidth 15Hz — 60kHz (IHF)
    S/N Ratio > 100dB
    Input Sensitivity/Impedance
    (at 1kHz, continuous power output)
    (switchable)    		 0.5V/65kΩ
    1.0V/80kΩ
    2.0V/200kΩ
    Output Jacks and Terminals Speakers (A, B) 4 — 16Ω
    Center Channel Output

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

    Power consumption:  180 watts max. (KL), 200VA

    Sold in Japan as the Pioneer SM-70 Stereo Power Amplifier.

  • Net weight (2.2 lb = 1 kg)
  • 5.3 kg / 11 lb 10.8 oz (11.674 lb)
  • Price in first year of sale
  • 635.00 NLG
  • Mentioned in
  • -- Original prospect or advert (1970 & 1972 Pioneer Hi-Fi catalogues and SM-700 brochure)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Installation, Operating and Service manual Pioneer SM-700)
  • Author
  • Model page created by Gert Van Wee. See "Data change" for further contributors.

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