Mastertone 1931
High Frequency Laboratories (HFL); Chicago, IL
- Country
- United States of America (USA)
- Manufacturer / Brand
- High Frequency Laboratories (HFL); Chicago, IL
- Year
- 1931
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 44338
- Number of Tubes
- 11
- Main principle
- Superheterodyne (common)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- Permanent or electro-dynamic (moving coil), system not known yet.
- Material
- Metal case
- from Radiomuseum.org
- Model: Mastertone 1931 - High Frequency Laboratories
- Shape
- Chassis only or for «building in»
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Other Models
-
Here you find 32 models, 10 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from High Frequency Laboratories (HFL); Chicago, IL