• Country
• Great Britain (UK)

• Manufacturer / Brand
• Ultra Electric Ltd.; London

• Year
• 1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 101860

• • alternative name: Ultra Radio and Television

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

• Number of Tubes
• 4

• Valves / Tubes
• AC/TP AC/VP1 AC2/PenDD UU3

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz

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

• Power type and voltage
• Alternating Current supply (AC) / 100-130; 200-250 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 25 [Table] - Ultra Electric Ltd.; London

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

• Notes
• Neon tuning indicator. See also the Ultra 25 console and radiogram versions. 100-130v AC mains was a special made to order option.

• Source of data
• -- Original-techn. papers.

• Literature/Schematics (1)
• Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (66)

• Literature/Schematics (2)
• Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (764)

• Author
• Model page created by Peter Hoddow. 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