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Rio TR81

Rio TR81; Ultra Electric Ltd.; (ID = 599106) Radio
 
Rio TR81; Ultra Electric Ltd.; (ID = 599107) Radio
 
Rio TR81; Ultra Electric Ltd.; (ID = 1327346) Radio
 
Rio TR81; Ultra Electric Ltd.; (ID = 1327347) Radio
 
Rio TR81; Ultra Electric Ltd.; (ID = 1327348) Radio
 
Rio TR81; Ultra Electric Ltd.; (ID = 1327349) Radio
Rio TR81; Ultra Electric Ltd.; (ID = 1985855) Radio Rio TR81; Ultra Electric Ltd.; (ID = 1985858) Radio
Rio TR81; Ultra Electric Ltd.; (ID = 1986386) Radio
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Rio TR81; Ultra Electric Ltd.; (ID = 1985855) Radio
Ultra Electric Ltd.;: Rio TR81 [Radio] ID = 1985855 702x617
Select picture or schematic to display from thumbnails on the right and click for download.
For model Rio TR81, Ultra Electric Ltd.; London:
This is a picture of a TR81 in my collection.
 
Country:  Great Britain (UK)
Manufacturer / Brand:  Ultra Electric Ltd.; London
alternative name
 
Ultra Radio and Television
Year: 1960 Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 9: OC171 OC171 OC170 OC170 OC170 OC71 OC81D OC81 OC81
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.
Details
Power type and voltage Dry Batteries / 2 x 9 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
Power out
from Radiomuseum.org Model: Rio TR81 - Ultra Electric Ltd.; London
Material Wooden case
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

Model page created by Keith Staines. See "Data change" for further contributors.



All listed radios etc. from Ultra Electric Ltd.; London
Here you find 218 models, 129 with images and 149 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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