5-Tube TRF Receiver
Dray Radio Laboratory; Chicago, Illinois
- Country
- United States of America (USA)
- Manufacturer / Brand
- Dray Radio Laboratory; Chicago, Illinois
- Year
- 1925 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 271209
- Number of Tubes
- 5
- Valves / Tubes
- Main principle
- TRF without regeneration; 2 AF stage(s)
- Tuned circuits
- 3 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: 5-Tube TRF Receiver - Dray Radio Laboratory; Chicago
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Notes
-
This model looks like an early version of the later Dray 599 receiver. This is also a 5-tube TRF receiver.
- Author
- Model page created by Alan Larsen. See "Data change" for further contributors.
- Other Models
-
Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Dray Radio Laboratory; Chicago, Illinois