Stentorian Major Control Unit W.B.12

Whiteley Electrical Radio, Boneham & Co. Ltd. (WB, Stentorian); Mansfield

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  • Year
  • 1958 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 338286
    • alternative name: Whiteley Electrical Radio Co. Ltd.; Mansfield

 Technical Specifications

  • Number of Tubes
  • 2
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stentorian Major Control Unit W.B.12 - Whiteley Electrical Radio,
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 11.75 x 4.5 x 4 inch / 298 x 114 x 102 mm
  • Notes

  • Control and pre-amplifier for main amplifiers type WB12.

    The Major Model provides for constant velocity pickups of moving coil, ribbon, variable reluctance & moving iron types as it has a sensitivity of 10 mV.
    For high output types of pickups, the Standard Model should be used

    Inputs:

    • PU: 10 mV
    • Radio: 100 mV
    • Tape: 100 mV
    • Microphone: 2.5 mV
    • Auxiliary: 50 mV

    Tone controls:

    • Treble: +15 dB, -20 dB @ 15 kHz
    • Bass: +16 dB, -12 dB @ 50 Hz

    Noise filter Roll-off frequency: continuously variable 5, 7, 11 kHz for old records.

  • Net weight (2.2 lb = 1 kg)
  • 5.25 lb (5 lb 4 oz) / 2.384 kg
  • Mentioned in
  • -- Original prospect or advert (Whiteley (GB))
  • Author
  • Model page created by Dirk Bladt. See "Data change" for further contributors.

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