Stereo Power Amplifier Model 8B

Marantz (Sound United LLC); Vista, CA

Data
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  • Year
  • 1961–1966 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 137365

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 117 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 70 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Power Amplifier Model 8B - Marantz Sound United LLC;
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 13.5 x 7.25 x 10.5 inch / 343 x 184 x 267 mm
  • Notes

  • Stereo Power Amplifier  with bias meter.

    Specification  
    Power Rating each channel > 35 watts (70 watts peak)
    Frequency Response At 35 watts, 20Hz-20kHz ±0.1dB
    At 1/2 watt, 3Hz-40kHz -1dB
    Harmonic Distortion at 35 watts < 0.1% at mid-frequencies
    < 0.5% from 20Hz-20kHz
    IM Distortion at 35 watts < 0.5% (0.3% typical)
    Damping Factor 20, from 20Hz-20kHz (may be altered where required)
    Stability Unconditional, completely stable to overloading transients
    Hum & Noise > 90db below 35 watts

    Power Requirements
    117V (105-125V)  AC 50/60Hz

    The Model 8B was reissued in 1996, one of the Marantz Classic Series.

  • Net weight (2.2 lb = 1 kg)
  • 22.5 kg / 49 lb 9 oz (49.559 lb)
  • Price in first year of sale
  • 249.00 $
  • Source of data
  • -- Collector info (Sammler)
  • Mentioned in
  • -- Original prospect or advert (Marantz Model 8B brochure)
  • Literature/Schematics (1)
  • -- Schematic

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The model Stereo Power Amplifier is part of the collections of the following members.

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