25 Table
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Ultra Electric Ltd.;: 25 [Radio] ID = 644412 225x256
Select picture or schematic to display from thumbnails on the right and click for download.
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alternative name
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Ultra Radio and Television | ||||
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| Year: 1935 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 4: AC/TP AC/VP1 AC2/PenDD UU3 |
| Main principle | Superheterodyne (common); ZF/IF 456 kHz |
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| Wave bands | Broadcast (MW) and Long Wave. |
| Details | |
| Power type and voltage | Alternating Current supply (AC) / 100-130; 200-250 Volt |
| Loudspeaker | Electro Magnetic Dynamic LS (moving-coil with field excitation coil) |
| Power out | |
| from Radiomuseum.org | Model: 25 [Table] - Ultra Electric Ltd.; London |
| Material | Wooden case |
| 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) |
Model page created by Peter Hoddow. See "Data change" for further contributors.
All listed radios etc. from Ultra Electric Ltd.; London
Here you find 218 models, 128 with images and 149 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
