• Country
• Great Britain (UK)

• Manufacturer / Brand
• Ultra Electric Ltd.; London

• Year
• 1952

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 127112

• • 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
• 1C1 1F3 1FD9 1P11

• Main principle
• Superheterodyne (common); ZF/IF 471 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Line / Batteries (any type) / 200-250 / 7.5 & 85 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• from Radiomuseum.org
• Model: Ultra Twin R766 - Ultra Electric Ltd.; London

• Notes
• AC/DC mains or battery.

• Source of data
• -- Schematic

• Literature/Schematics (1)
• Paul Stennings Vintage Radio Service Data Vol 4

• Author
• Model page created by Keith Staines. 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