Rio TR81
Ultra Electric Ltd.; London
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Ultra Electric Ltd.; London
- Year
- 1960
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 152104
-
- alternative name: Ultra Radio and Television
Chassis removed from set, front view.
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 9
- Main principle
- Superheterodyne (common); ZF/IF 471/10700 kHz; 3 AF stage(s)
- Tuned circuits
- 7 AM circuit(s) 8 FM circuit(s)
- Wave bands
- Broadcast, Long Wave and FM or UHF.
- Power type and voltage
- Dry Batteries / 2 x 9 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
- Material
- Wooden case
- from Radiomuseum.org
- Model: Rio TR81 - Ultra Electric Ltd.; London
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 250 x 163 x 95 mm / 9.8 x 6.4 x 3.7 inch
- Net weight (2.2 lb = 1 kg)
- 4 lb 0 oz (4 lb) / 1.816 kg
- Price in first year of sale
- 22.00 GBP
- Source of data
- -- Schematic
- Circuit diagram reference
- Radio and TV Servicing books (R&TVS) book
- Literature/Schematics (1)
- Trader Sheet 1543
- 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