Columbia 950 Schematic purchase

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

Saturday 9/5/2026 15:00
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 950 (Rider : - 1 P: 8)
£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 950 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
ModelModel 950 - Columbia Phonograph, American
Year: 1929Category: Broadcast Receiver
Valves7: UX226 UX226 UX226 UY227 UX226 UX250 UX281
TechnologyTRF; Screengrid 1926-1935
Tuned Circuits4 AM circuit(s)
Wave BandsBroadcast only (MW).
DetailsRecord Player
Power typeAC / 115 Volt
Initial Price450.00 $
SourceBook: gernsback Vol: 1 Page: 121
SourceBook: rider Vol: 1 Page: 8