Stereo Power Amplifier RB-850

Rotel, The, Co., Ltd.; Tokyo

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  • Year
  • 1987 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 307946

 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 or 220 or 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 100 W (150 W max.)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Power Amplifier RB-850 - Rotel, The, Co., Ltd.; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 444 x 86 x 336 mm / 17.5 x 3.4 x 13.2 inch
  • Notes

  • A 2 x 50 watt Hi-Fi stereo power amplifier, partner to the Rotel RC-850 Stereo Control Amplifier. Dual mono design. Press button for Power. A Bridged Mono/Stereo switch on the back enables the Left and Right channels to be bridged into a into a single mono amplifier. Indicators for Power on and Bridged Mono on. 

    Continuous Power Output :
    50 watts per channel, min. RMS both channels driven into 8Ω
    from 20Hz to 20kHz with no more than 0.03% Total Harmonic Distortion
    Power Output (BTL) :
    150 watts mono, min. RMS driven into 8Ω
    from 20Hz to 20kHz with no more than 0.03% Total Harmonic Distortion
    Total Harmonic Distortion ......:  No more than 0.03%
    Intermodulation Distortion .... :  No more than 0.05%
    Damping Factor .................. :  280 (20Hz - 20kHz 8Ω)
    Speaker load impedance  .....:  4 - 16Ω
    Input Sensitivity/Impedance ..:  1.0V/27kΩ
    Frequency Response ...........:  15Hz - 100kHz,  +0dB, -1dB
    Signal to Noise Ratio ...........:  116dB (IHF, A Network)

    Versions/Power Requirements
    120 V AC 60Hz
    220 V AC 50Hz
    240 V AC 50Hz
    120/220/240 V AC 50-60Hz Switchable (Not available in UK, Canada and Scandinavia)

  • Net weight (2.2 lb = 1 kg)
  • 9 kg / 19 lb 13.2 oz (19.824 lb)
  • Price in first year of sale
  • 130.00 GBP
  • Mentioned in
  • Reviewed by Hi-Fi News and Record Review June 1988
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Owner's Manual for the RB-850)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Technical Manual for the RB-850)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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