• Country
• Great Britain (UK)

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

• Year
• 1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 105232

• • Brand: Gecophone

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

• Number of Tubes
• 5

• Valves / Tubes
• X41 VMP4G D41 N41 U12

• Main principle
• Superheterodyne (common); ZF/IF 125 kHz

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

• Power type and voltage
• Alternating Current supply (AC) / 190-210; 210-230; 230-250 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: AC Super 4 BC3740 - GEC, General Electric Co Ltd.,

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

• Dimensions (WHD)
• 375 x 450 x 220 mm / 14.8 x 17.7 x 8.7 inch

• Notes

• An AC mains 2 band table radio housed in a wooden case. Provision for an external loudspeaker. See also the GEC BC3740L which is identical except for its mains transformer (110-130V; 210-230V) . A similar chassis is fitted to the GEC BC3748 radiogram.

• Mentioned in
• -- Original-techn. papers.

• Literature/Schematics (1)
• Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (147 dated Oct 3 1936)

• Literature/Schematics (2)
• - - Manufacturers Literature (GEC Service bulletin No. 31 BC3740 BC3740L BC3748 BC3748L dated 37/1)

• Author
• Model page created by Peter Hoddow. 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