Columbia 940 Schematic purchase

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

Thursday 18/4/2024 3:50
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 940 (Rider : Columbia 2 P: 4)
£1.80 (~ $2.20 or €2.10)
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The schematic will be taken from Rider-Vol 01-1933

Rider-Vol 01-1933 preview

Columbia 940 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
ModelElectric Viva-tonal and Kolster Radio Combination 940 - Columbia Phonograph, American
Year: 1931Broadcast Receiver
Valves8: C327 C327 C327 C327 C327 CX345 CX345 CX380
TechnologyTRF; Screengrid 1926-1935
Tuned Circuits4 AM circuit(s)
Wave BandsBroadcast only (MW).
DetailsRecord Player (not changer)
Power TypeAC / 100-110; 110-120 Volt
Initial Price297.00 $
SourceBook: Rider Vol: 2 Page: 4