Rogers 12-85 Ch= 7R831
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alternative name
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Rogers Radio Tube | ||||
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| Year: 1937/1938 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 8: 6A7M 6K7M 86M 6F5M 6X6 6F6M 2X3 2X3 |
| Main principle | Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s) |
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| Tuned circuits | 6 AM circuit(s) |
| Wave bands | Broadcast, Short Wave(s) and Police. |
| Details | |
| Power type and voltage | Alternating Current supply (AC) / 115 Volt |
| Loudspeaker | Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 12 inch = 30.5 cm |
| Power out | |
| from Radiomuseum.org | Model: Rogers 12-85 Ch= 7R831 - Rogers-Majestic, Standard |
| Material | Wooden case |
| Shape | Console with any shape - in general |
| Notes | The 6X6 tube is a tuning indicator. The De Forest Nipigon are electronically identical to this set. The Majestic 785 is nearly identical with an added "Silent Tuning" switch. |
| Circuit diagram reference | Radio College of Canada |
| Mentioned in | RCC Rogers-Majestic section page 29, 30 & Cross Reference |
| Literature/Schematics (1) | -- Original-techn. papers. (Rogers-Majestic & De Forest Service Manual Volume 3, page 21) |
Model page created by Robin Roeckers. See "Data change" for further contributors.
All listed radios etc. from Rogers-Majestic, Standard Radio Manufacturing, Rogers Radio Tubes; Toronto
Here you find 539 models, 205 with images and 495 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
