• Year
  • 1994 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 308591

 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
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Phono Equalizer RQ-970BX - Roland Electronics Co. Ltd.,
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 440 x 72 x 195 mm / 17.3 x 2.8 x 7.7 inch
  • Notes
  • A Stereo Phono Equalizer. Input sockets for connection to a turntable fitted with either a Moving Magnet or Moving Coil cartridge. Switch on the back for MM or MC cartridge input. The amplified output from the RQ-970BX is connected to a line input of an amplifier lacking a phono stage. Power switch on the front with a power on indicator.

    Total Harmonic Distortion ..........:  < 0.004% (20Hz-20kHz)
    Intermodulation Distortion .........:  < 0.004% (at 1V output)
    Input Sensitivity/Impedance MM :  2.5mV/47kΩ 100pF
                                                MC :  210µV/100Ω
    Phono Overload (MC/MM) ........:  16mV/160mV
    Output Sensitivity/Impedance ...:  150mV/100Ω
    Frequency Response ...............:  20Hz-20kHz, ± 0.2dB
    Signal to Noise Ratio MM ..........:  75dB
                                      MC ..........:  70dB
    Power Consumption ..................:  10 watts

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

  • Net weight (2.2 lb = 1 kg)
  • 3.1 kg / 6 lb 13.3 oz (6.828 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Owner's Manual for the RQ-970BX Phono Equalizer)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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