• Country
• Great Britain (UK)

• Manufacturer / Brand
• Ultra Electric Ltd.; London

• Year
• 1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 101980

• • alternative name: Ultra Radio and Television

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

• Number of Tubes
• 5

• Valves / Tubes
• TH41 VP41 HL41DD Pen45 UU6

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Material
• Bakelite case

• from Radiomuseum.org
• Model: T491 - Ultra Electric Ltd.; London

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 420 x 320 x 280 mm / 16.5 x 12.6 x 11 inch

• Net weight (2.2 lb = 1 kg)
• 11 kg / 24 lb 3.7 oz (24.229 lb)

• Circuit diagram reference
• Radio and TV Servicing books (R&TVS) book

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

• Literature/Schematics (1)
• Paul Stennings CD vol 4.

• 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