- Country
- Germany
- Manufacturer / Brand
- Koch & Sterzel AG; Dresden
- Year
- 1931/1932
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 15468
- Number of Tubes
- 3
- Main principle
- TRF with regeneration; 1 AF stage(s)
- Tuned circuits
- 1 AM circuit(s)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: Duo W - Koch & Sterzel AG; Dresden
- Price in first year of sale
- 90.00 RM +
- External source of data
- E. Erb 3-907007-36-0
- Source of data
- Radio-Schnorr-Katalog Nr.53 1931/32 / Radiokatalog Band 2, Ernst Erb
- Picture reference
- Das Modell ist im «Radiokatalog» (Erb) abgebildet.
- Other Models
-
Here you find 75 models, 49 with images and 25 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Koch & Sterzel AG; Dresden