Radio-Modulateur Bigrille RM7 2 instruments
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Ducretet -Thomson;: Radio-Modulateur Bigrille RM7 [Radio] ID = 61467 933x700
Select picture or schematic to display from thumbnails on the right and click for download.
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| Year: 1925/1926 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 7: |
| Main principle | Superhet with RF-stage; 2 AF stage(s) |
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| Tuned circuits | 5 AM circuit(s) |
| Wave bands | Broadcast, Long Wave and Short Wave. |
| Details | |
| Power type and voltage | Storage and/or dry batteries |
| Loudspeaker | - This model requires external speaker(s). |
| Power out | |
| from Radiomuseum.org | Model: Radio-Modulateur Bigrille RM7 [2 instruments] - Ducretet -Thomson; avant: |
| Material | Wooden case |
| Shape | Tablemodel, Box - most often with Lid (NOT slant panel). |
| Dimensions (WHD) | 540 x 425 x 340 mm / 21.3 x 16.7 x 13.4 inch |
| Notes | Truhengerät in Schatullenform mit Türen. Es gibt auch ein völlig anderes Modell RM7 mit nur 1 Messinstrument. |
| Net weight (2.2 lb = 1 kg) | 18.5 kg / 40 lb 12 oz (40.749 lb) |
| Price in first year of sale | 3'550.00 Ffr |
| External source of data | Sammlung E. Erb |
| Mentioned in | TSF Antique 1921 à 1927 |
| Literature/Schematics (2) | Le Guide du Collectionneur TSF Biraud/Foster, Vol. I (page 157) |
Model page created by Ernst Erb. See "Data change" for further contributors.
All listed radios etc. from Ducretet (-Thomson; avant: Fernand Ducretet et Ernest Roger etc.); Paris
Here you find 633 models, 485 with images and 277 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
