Columbia 400 Schematic purchase

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

Friday 19/4/2024 16:52
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 400 (Beitman : cbs_columbia 1960 P: 30)
£1.80 (~ $2.20 or €2.10)
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The schematic will be taken from Beitman-1926 to 1938

Beitman-1926 to 1938 preview

Columbia 400 Specification spec data sheet

These notes are automatically scraped from Google, Bing, Yahoo, Yandex
by an Artificially (not so) Intelligent algorithm
so they might not pertain to the correct model! (confidence level=85.71%)
CountryUSA
ManufacturerCBS-Columbia Inc.; New York, NY
Alternative Name CBS Electronics || Columbia Phonographs || Columbia Records
ModelModel 400B - CBS-Columbia Inc.; New York,
Year: 1960Category: Broadcast Receiver
Transistors4: 2N412 2N410 2N410 2N408
TechnologySuperhet IF 455 kHz; Reflex
Wave BandsBroadcast only (MW).
Power typeDry Batteries / 1 x 9 Volt
SourceBook: sm Vol: 507 Page: 6