Columbia 980 Schematic purchase

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Schematics sent by Email £1.80 (~ $2.20 or €2.10)

Friday 19/4/2024 20:53
I am away until Thursday evening 21/12/2023 I cannot send any schematics marked TO SCAN until home, pre-scanned ones will be sent probably in the evening UK time
Columbia 980 (Gernsback : RadioGram 1 P: 124)
£1.80 (~ $2.20 or €2.10)
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The schematic will be taken from Gernsback-Manual-1936

Gernsback-Manual-1936 preview

Columbia 980 Specification spec data sheet

These notes are automatically scraped from Google, Bing, Yahoo, Yandex
by an Artificially (not so) Intelligent algorithm
CountryUSA
ManufacturerColumbia Phonograph, American / Volta Graphophone Company; USA
Alternative Name American Graphophone || Columbia Recording
Model980 - Columbia Phonograph, American
Year: 1930Category: Broadcast Receiver
Valves12: CX326 CX326 CX326 CX326 C327 C327 C327 CX350 CX350 CX380 CX381 CX381
TechnologyTRF without regeneration; Screengrid 1926-1935
Tuned Circuits4 AM circuit(s)
Wave BandsBroadcast only (MW).
DetailsRecord Player (perh.Changer)
Power typeAC / 115 Volt
SourceBook: gernsback Vol: 1 Page: 124
SourceBook: rider Vol: 1 Page: 10
SourceBook: gernsback Vol: 2 Page: 123