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SW-Converter 254

SW-Converter 254; Electrical Research (ID = 417849) Converter
SW-Converter 254; Electrical Research (ID = 419369) Converter SW-Converter 254; Electrical Research (ID = 419372) Converter
SW-Converter 254; Electrical Research (ID = 419367) Converter SW-Converter 254; Electrical Research (ID = 419368) Converter
SW-Converter 254; Electrical Research (ID = 419373) Converter
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SW-Converter 254; Electrical Research (ID = 419369) Converter
Electrical Research: SW-Converter 254 [Converter] ID = 419369 525x700
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For model SW-Converter 254, Electrical Research Laboratories Inc. (Erla); Chicago, Illinois
 
Country:  United States of America (USA)
Manufacturer / Brand:  Electrical Research Laboratories Inc. (Erla); Chicago, Illinois
Year: 1932 ? Category: Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter
Valves / Tubes 3: 24 27 80
Main principle RF Converter/Adapter (not voltage converter)
Wave bands Short Wave (SW only)
Details
Power type and voltage Alternating Current supply (AC) / 110 Volt
Loudspeaker - - No sound reproduction output.
Power out
from Radiomuseum.org Model: SW-Converter 254 - Electrical Research
Material Wooden case
Shape Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).
Dimensions (WHD) 11 x 11.8 x 7.8 inch / 279 x 300 x 198 mm
Notes SW-Converter, looks like a cathedral radio.
External source of data Ernst Erb
Source of data Machine Age to Jet Age II
Circuit diagram reference Rider's Perpetual, Volume 5 = ca. 1934 and before


All listed radios etc. from Electrical Research Laboratories Inc. (Erla); Chicago, Illinois
Here you find 131 models, 45 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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