Model D

Magneta Time Co. Ltd., Leatherhead

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  • Year
  • 1950 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 293335

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Audio-Amplification
  • Power type and voltage
  • Alternating Current supply (AC) / 200-210 210-220 220-230 230-240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 50 W (undistorted)
  • Material
  • Metal case, TUBES VISIBLE
  • from Radiomuseum.org
  • Model: Model D - Magneta Time Co. Ltd.,
  • Shape
  • Chassis only or for «building in»
  • Notes

  • No visible model name or model number. 'D' which is part of the serial number may be the model type.

    50 Watt (Mono) Public Address Amplifier requiring an external mixer/pre amplifier powered from this amplifier.

    One 12AU7 used as an input amplifier and phase splitter, the other as audio amplifier for each phase. Two KT66 connected in push-pull for ultra-linear operation with 100 V line output.

    Dual mains transformers and a smoothing choke mounted above chassis.

  • Author
  • Model page created by Graham Fitt. See "Data change" for further contributors.

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The model Model D is part of the collections of the following members.

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