- Country
- United States of America (USA)
- Manufacturer / Brand
- Gulbransen Co.; Chicago
- Year
- 1934 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 43762
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 9
- Main principle
- Superhet with RF-stage; ZF/IF 175 kHz
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Storage and/or dry batteries / 3 & 135 & -10,5 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- from Radiomuseum.org
- Model: 392 - Gulbransen Co.; Chicago
- Notes
- Push-pull af output stage; alternative voltages: A= 2-4 V, B= 180 V and C= -13.5 V.
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 6 = 1935 and before
- Mentioned in
- Rider's Misc. 6-11
- Other Models
-
Here you find 64 models, 10 with images and 31 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Gulbransen Co.; Chicago