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BT-22 ; Farnsworth (ID = 339554) Radio
BT-22 ; Farnsworth (ID = 339555) Radio
BT-22 ; Farnsworth (ID = 720366) Radio BT-22 ; Farnsworth (ID = 1299939) Radio
BT-22 ; Farnsworth (ID = 1299938) Radio
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BT-22 ; Farnsworth (ID = 720366) Radio
Farnsworth: BT-22 [Radio] ID = 720366 505x417
Select picture or schematic to display from thumbnails on the right and click for download.
For model BT-22, Farnsworth Television & Radio Corp. - see also Capehart:
Image Courtesy of Mark V. Stein for use only.
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
Valves / Tubes 6: 12SA7 12J5GT 12SK7 12SQ7 35L6GT 35Z5GT
Main principle Superheterodyne (common); ZF/IF 455 kHz
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
Power out
from Model: BT-22 - Farnsworth Television & Radio
Material Wooden case
Shape Tablemodel with Push Buttons.
Dimensions (WHD) 14.5 x 9.125 x 7.25 inch / 368 x 232 x 184 mm

Built in loop antenna. Two wave bands 540 to 1720 kc. and 5.8 to 18.1 mc.

Collectors' prices  
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
Mentioned in The Radio Collector's Directory and Price Guide 1921 - 1965

All listed radios etc. from Farnsworth Television & Radio Corp. - see also Capehart
Here you find 392 models, 276 with images and 321 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.