Five Channel Power Amplifier RB-985

Rotel, The, Co., Ltd.; Tokyo

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  • Year
  • 1995
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 308553

 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) / 115 or 230 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 500 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Five Channel Power Amplifier RB-985 - Rotel, The, Co., Ltd.; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 440 x 139 x 396 mm / 17.3 x 5.5 x 15.6 inch
  • Notes

  • A five channel power amplifier for use with a Surround Sound Processor / Preamplier. Lucasfilm THX certified. Each channel delivers 100 watts into an 8Ω load. On the rear, RCA inputs for Front  Left, Front Right, Centre, Surround Left and Surround Right, an alternative multi-pin DB25 combined input connector and five pairs of terminals for Front  Left, Front Right, Centre, Surround Left and Surround Right loudspeakers. On the front, Power switch (with power on indicator), and five Protection circuit indicators.

    Continuous Power Output :
    100 watts per channel, min. RMS all channels driven into 8Ω
    from 20Hz to 20kHz with ≤ 0.03% Total Harmonic Distortion
    Total Harmonic Distortion ......:  < 0.03%
    Intermodulation Distortion..... :  < 0.03% (continuous rated power output)
    Damping Factor ................... :  180 (20Hz - 20kHz, 8Ω)
    Speaker load impedance  .....:  4Ω minimum
    Input Sensitivity/Impedance ..:  1V/27kΩ
    Frequency Response ...........:  10Hz - 80kHz, ±0.5dB
    Signal to Noise Ratio ............:  115dB (IHF, A Network)
    Peak Current Output ............:  40 Amps (0.1Ω load, 10µsecs, 1 pulse)
    Power Consumption .............:  800 watts

    Versions/Power Requirements
    115 V AC 60Hz
    230 V AC 50Hz

    See also the later Rotel RB-985 Mk II Multi Channel Power Amplifier.

  • Net weight (2.2 lb = 1 kg)
  • 15.5 kg / 34 lb 2.3 oz (34.141 lb)
  • Price in first year of sale
  • 1,000.00 USD
  • Mentioned in
  • - - Manufacturers Literature (Rotel Home Theater Components brochure)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Owner's Manual for RB-985 5 Channel Power Amplifier)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Technical Manual for RB-985 5 Channel Power Amplifier)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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