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Audio Frequency Transformer

Audio Frequency Transformer ; Electrical Research (ID = 1146741) Radio part Audio Frequency Transformer ; Electrical Research (ID = 1934297) Radio part
Audio Frequency Transformer ; Electrical Research (ID = 1934300) Radio part
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Audio Frequency Transformer ; Electrical Research (ID = 1146741) Radio part
Electrical Research: Audio Frequency Transformer [Radio part] ID = 1146741 933x700
Select picture or schematic to display from thumbnails on the right and click for download.
For model Audio Frequency Transformer, Electrical Research Laboratories Inc. (Erla); Chicago, Illinois
 
Country:  United States of America (USA)
Manufacturer / Brand:  Electrical Research Laboratories Inc. (Erla); Chicago, Illinois
Year: 1923 Category: Radio part (not a module) 
Wave bands - without
Details
Power type and voltage No Power needed
Loudspeaker - - No sound reproduction output.
Power out
from Radiomuseum.org Model: Audio Frequency Transformer - Electrical Research
Material Various materials
Dimensions (WHD) 70 x 70 x 40 mm / 2.8 x 2.8 x 1.6 inch
Notes Audio Transformer for Erla Reflex 1920's tube receivers; suitable for few others Audio Frequency stages too.
Net weight (2.2 lb = 1 kg) 0.4 kg / 0 lb 14.1 oz (0.881 lb)

Model page created by Emilio Focosi. See "Data change" for further contributors.



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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