• Year
  • 1945 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 336513

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Power Amplifier B1B - BTH B.T.H., British Thomson-
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 11 x 8 x 7.375 inch / 279 x 203 x 187 mm
  • Notes
  • Theatre amplifier with tube monitoring meter;  pairs with power supply E1B.

  • Net weight (2.2 lb = 1 kg)
  • 19 lb (19 lb 0 oz) / 8.626 kg

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