Integrated Stereo Amplifier RA-820BX2

Roland Electronics Co. Ltd., Rotel; Tokyo

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  • Year
  • 1987
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 149995

 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; 220; 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 60 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Integrated Stereo Amplifier RA-820BX2 - Roland Electronics Co. Ltd.,
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 66 x 271 mm / 16.9 x 2.6 x 10.7 inch
  • Notes

  • A stereo hi-fi integrated amplifier with output power of 2 x 30 watts RMS into 8 ohms both channels driven, housed in a black metal case. Without tone controls. With push button switches for Mono, Tape, Tuner, CD and Phono, RCA phono sockets for Phono, Tuner and CD input and for Tape input/output, terminals for 1 pair of Loudspeakers (direct or switched) and a jack for Headphones (when in use, the loudspeakers are disconnected if wired to the switched terminals).

    Specification  
    Continuous Power Output 30 watts per channel, min. RMS
    both channels driven into 8Ω
    from 20 to 20,000Hz with
    no more than 0.08% total harmonic distortion
    Total Harmonic Distortion
    (20 to 20,000 Hz, from CD)    		 No more than 0.08%
    (continuous rated power output)
    Intermodulation Distortion
    (60 Hz : 7 kHz = 4 : 1)    		 No more than 0.08%
    (continuous rated power output)
    Output: Speaker
                Headphone    		 4-16Ω
    4-16Ω
    Damping Factor 25 (20 - 20,000Hz, 8Ω)
    Input Sensitivity/Impedance PHONO               3.75mV/47kΩ
    CD                      250mV/24kΩ
    TUNER                250mV/24kΩ
    TAPE MONITOR   250mV/24kΩ
    Frequency Response PHONO   20 - 20,000Hz, ± 0.3 dB (RIAA STD)
    CD, TUNER, TAPE  10 - 40,000 Hz, +1.0dB,-3.0dB
    Signal-to-Noise Ratio
    (IHF, A network)    		 PHONO                  75dB
    CD, TUNER, TAPE  86dB

    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)

    Vollverstärker mit 2 x 45 W Sinus an 4 Ω.
    Monoumschaltung.
    Standardtransformator für hohe Ströme von BANDO.
    Farbe Schwarz.

  • Net weight (2.2 lb = 1 kg)
  • 5.5 kg / 12 lb 1.8 oz (12.115 lb)
  • Price in first year of sale
  • 548.00 DM
  • Source of data
  • -- Original prospect or advert
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Owner's manual RA-820BX2)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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