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Duet Ch= 758 Radio-Phonograph Combination

Country:  Canada
Manufacturer / Brand:  De Forest (DeForest) Crosley Radio, Consolidated Industries; Toronto
Year: 1928/1929 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5:
Main principle TRF (Tuned-Radio-Frequency but use of regeneration unknown); 1 AF stage(s)
Tuned circuits 4 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Storage and/or dry batteries / 4.5 & 135 & 90 Volt
Loudspeaker - This model requires external speaker(s).
Power out
from Radiomuseum.org Model: Duet Ch= 758 [Radio-Phonograph Combination] - De Forest DeForest Crosley
Material Wooden case
Notes An AC power supply was available for this model. The Concerto, Sonata, Opera and Nocturne (High Boy) are electronically identical to this model.
Circuit diagram reference Radio College of Canada
Mentioned in RCC Rogers-Majestic section page 5 & Cross Reference

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, 104 with images and 169 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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