Mastertone 10
High Frequency Laboratories (HFL); Chicago, IL
- Country
- United States of America (USA)
- Manufacturer / Brand
- High Frequency Laboratories (HFL); Chicago, IL
- Year
- 1931/1932
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 44356
- Number of Tubes
- 10
- Main principle
- Superheterodyne (common); ZF/IF 180 kHz; 3 AF stage(s); Screengrid 1926-1935
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC) / 60Hz, 110-120 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Metal case
- from Radiomuseum.org
- Model: Mastertone 10 - High Frequency Laboratories
- Shape
- Chassis only or for «building in»
- Dimensions (WHD)
- 20.75 x 8.375 x 12.5 inch / 527 x 213 x 318 mm
- Notes
-
The HFL Mastertone 10 is a chassis with a faceplate (12 x 8.5 inches), knobs and esccutcheon. The dial is not calibrate, but rather reads 0-100. It has a built in phonograph amplifier, and is designed for a electro-dynamic speaker of 2500 ohms with a 5-prong plug. Several console-type cabinets were available, including some with phonographs.
- Price in first year of sale
- 195.00 USD
- 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