• Country
• Great Britain (UK)

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

• Year
• 1962 ?

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 335842

• • Brand: Gecophone

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

• Wave bands
• - without

• Power type and voltage
• Other, details in remarks or not known. / AC: 50Hz 250V ; DC: 100 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Frequency Changer E190 - GEC, General Electric Co Ltd.,

• Shape
• Boatanchor (heavy military or commercial set >20 kg).

• Notes

• A frequency changer for providing a 1kVA 400Hz stabilized sinusoidal supply from 240V 50Hz mains, using silicon controlled rectifiers.
  The equipment is also available without the input power pack, as an invertor for use with a 100V DC supply.
  The frequency stability is ±1% and is independent of load which may have any power factor between 0.5 lagging and 0.8 leading.

• Mentioned in
• -- Original prospect or advert (Electronic Engineering, volume 34, year 1962, October)

• Author
• Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

• Other Models

• Here you find 443 models, 287 with images and 237 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