541
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Hofrela,: 541 [Radio] ID = 1641 698x525
Select picture or schematic to display from thumbnails on the right and click for download.
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| Year: 1940/1941 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 5: ECH11 EBF11 EL11 AZ11 EFM1 |
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| Main principle | Superheterodyne (common); ZF/IF 468 kHz |
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| Tuned circuits | 6 AM circuit(s) |
| Wave bands | Broadcast, Long Wave and Short Wave. |
| Details | |
| Power type and voltage | Alternating Current supply (AC) / 110-250 Volt |
| Loudspeaker | Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 19 cm = 7.5 inch |
| Power out | |
| from Radiomuseum.org | Model: 541 - Hofrela, |
| Material | Wooden case |
| Shape | Tablemodel, low profile (big size). |
| Price in first year of sale | 345.00 SFr |
| External source of data | E. Erb 3-907007-36-0 |
| Source of data | Radiokatalog Band 2, Ernst Erb |
| Circuit diagram reference | Thali-Schemasammlung und Tungsram-Röhrenbestückung. |
| Picture reference | Das Modell ist im «Radiokatalog» (Erb) abgebildet. |
All listed radios etc. from Hofrela, Hochfrequenzlaboratorium; Zürich, ab 1938 Grenchen
Here you find 5 models, 5 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
