• Country
• Great Britain (UK)

• Manufacturer / Brand
• GEC, General Electric Co Ltd., GENALEX; London

• Year
• 1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 125870

• • Brand: Gecophone

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

• Number of Tubes
• 5

• Valves / Tubes
• MS4B_Catkin VMS4_Catkin MS4B_Catkin MPT4_Catkin U12

• Main principle
• Superheterodyne (common); ZF/IF 107 kHz

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Alternating Current supply (AC) / 190-250 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 12 cm = 4.7 inch

• Power out
• 2 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Superhet 5 BC3440K - GEC, General Electric Co Ltd.,

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 350 x 410 x 200 mm / 13.8 x 16.1 x 7.9 inch

• Notes
• The "K" suffix version of the 1933 GEC BC3440 table model fitted with "Catkin" valves.

• Net weight (2.2 lb = 1 kg)
• 7 kg / 15 lb 6.7 oz (15.419 lb)

• Source of data
• - - Data from my own collection

• Literature/Schematics (1)
• Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (529)

• Author
• Model page created by Diego Fernandez-Fernandez. See "Data change" for further contributors.

• Other Models

• Here you find 442 models, 286 with images and 236 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from GEC, General Electric Co Ltd., GENALEX; London