• Country
• Great Britain (UK)

• Manufacturer / Brand
• Ultra Electric Ltd.; London

• Year
• 1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 202222

• • alternative name: Ultra Radio and Television

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

• Number of Tubes
• 3

• Valves / Tubes
• VP1321 PenDD4020 U4020 C1

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

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

• Power type and voltage
• AC/DC-set / 200-250 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 55 [Early ] - Ultra Electric Ltd.; London

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 16.75 x 12.75 x 8 inch / 425 x 324 x 203 mm

• Notes
• Model 55 with serial number up to Y3000.

• Mentioned in
• Ultra Electric Ltd. Folder

• Literature/Schematics (1)
• Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (749)

• Author
• Model page created by Howard Craven. See "Data change" for further contributors.

• Other Models

• Here you find 235 models, 153 with images and 149 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ultra Electric Ltd.; London