7JK777R Ch= 4708R
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Majestic Radio &: 7JK777R Ch= 4708R [Radio] ID = 910052 863x933
Select picture or schematic to display from thumbnails on the right and click for download.
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| Year: 1947 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 7: 6SA7 6J5GT 6SK7 6SQ7 6H6 6V6GT 5Y3GT |
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| Main principle | Superheterodyne (common); ZF/IF 455 kHz |
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| Tuned circuits | 6 AM circuit(s) |
| Wave bands | Broadcast only (MW). |
| Details | Changer (Record changer) |
| Power type and voltage | Alternating Current supply (AC) / 117 Volt |
| Loudspeaker | Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm |
| Power out | |
| from Radiomuseum.org | Model: 7JK777R Ch= 4708R - Majestic Radio & Television Co |
| Material | Wooden case |
| Shape | Console with any shape - in general |
| External source of data | Ernst Erb |
| Source of data | Collector's Guide to Antique Radios 4. Edition |
| Circuit diagram reference | Rider's Perpetual, Volume 17 = 1948 and before |
| Mentioned in | The Radio Collector's Directory and Price Guide 1921 - 1965 |
| Literature/Schematics (1) | Beitman Radio Diagrams, Vol. 08, 1948 |
| Literature/Schematics (4) | Photofact Folder, Howard W. SAMS (Set 27, Date 10/47, Folder 4717-18) |
All listed radios etc. from Majestic Radio & Television Co.,(post 1932)
Here you find 333 models, 163 with images and 273 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
