- Country
 - United States of America (USA)
 
- Manufacturer / Brand
 - Farnsworth Television & Radio Corp. - see also Capehart
 
- Year
 - 1940/1941
 
- Category
 - Broadcast Receiver - or past WW2 Tuner
 
- Radiomuseum.org ID
 - 40117
 
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
 - 6
 
- Main principle
 - Superheterodyne (common); ZF/IF 455 kHz
 
- Tuned circuits
 - 6 AM circuit(s)
 
- Wave bands
 - Broadcast and Short Wave (SW).
 
- Power type and voltage
 - AC/DC-set
 
- Loudspeaker
 - Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm
 
- Material
 - Plastics (no bakelite or catalin)
 
- from Radiomuseum.org
 - Model: BT-20 - Farnsworth Television & Radio
 
- Shape
 - Tablemodel, low profile (big size).
 
- Dimensions (WHD)
 - 12.5 x 7.25 x 7.625 inch / 318 x 184 x 194 mm
 
- Notes
 - 
        
Built in loop antenna.
See also the similar Philips model 490-LN.
 
- External source of data
 - Ernst Erb
 
- Source of data
 - Collector's Guide to Antique Radios 4. Edition
 
- Circuit diagram reference
 - Rider's Perpetual, Volume 12 = ca. 1941 and before
 
- Other Models
 - 
        
Here you find 402 models, 286 with images and 328 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Farnsworth Television & Radio Corp. - see also Capehart