- Country
- Switzerland
- Manufacturer / Brand
- Hofrela, Hochfrequenzlaboratorium; Zürich, ab 1938 Grenchen
- Year
- 1941/1942
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 12076
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Main principle
- Superheterodyne (common); ZF/IF 468 kHz
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast, Long Wave and Short Wave.
- 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
- Material
- Wooden case
- from Radiomuseum.org
- Model: 542 - Hofrela,
- Dimensions (WHD)
- 475 x 300 x 260 mm / 18.7 x 11.8 x 10.2 inch
- Price in first year of sale
- 425.00 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.
- Other Models
-
Here you find 5 models, 5 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Hofrela, Hochfrequenzlaboratorium; Zürich, ab 1938 Grenchen