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Niagara Ch= 7D1232

Niagara Ch= 7D1232; De Forest DeForest (ID = 2239736) Radio
 
Niagara Ch= 7D1232; De Forest DeForest (ID = 2239737) Radio
Niagara Ch= 7D1232; De Forest DeForest (ID = 1836937) Radio
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Niagara Ch= 7D1232; De Forest DeForest (ID = 1836937) Radio
De Forest DeForest: Niagara Ch= 7D1232 [Radio] ID = 1836937 933x851
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For model Niagara Ch= 7D1232, De Forest (DeForest) Crosley Radio, Consolidated Industries; Toronto:
brochure
 
Country:  Canada
Manufacturer / Brand:  De Forest (DeForest) Crosley Radio, Consolidated Industries; Toronto
Year: 1937/1938 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 12: 6K7M 6A7M RT_neon 6K7M 6X6 6F7M 6F7M 6F6M 6F6M 2X3 2X3 2X3 2X3
Main principle Superhet with RF-stage; ZF/IF 456 kHz
Tuned circuits 11 AM circuit(s)
Wave bands Broadcast, Short Wave(s) and Police.
Details
Power type and voltage Alternating Current supply (AC) / 115 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: Niagara Ch= 7D1232 - De Forest DeForest Crosley
Notes This model is equipped with automatic tuning. The RT_neon is a voltage regulator tube. The 6X6 is a tuning indicator tube. The second 6F7M tube is used as a phase inverter. The Rogers 12-126 and Majestic 7126 are nearly electronically identical to this set.
Circuit diagram reference Radio College of Canada
Mentioned in RCC Rogers-Majestic section page 37 & 39

Model page created by Robin Roeckers. See "Data change" for further contributors.



All listed radios etc. from De Forest (DeForest) Crosley Radio, Consolidated Industries; Toronto
Here you find 250 models, 105 with images and 169 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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