Zenith 4B231 Schematic purchase

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

Friday 26/4/2024 20:04
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
Zenith 4B231 (Rider : Zenith 8 P: 1.6)
£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

Zenith 4B231 Specification spec data sheet

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by an Artificially (not so) Intelligent algorithm
CountryUSA
ManufacturerZenith Radio Corp.; Chicago, IL
Alternative Name Chicago Radio Lab
ModelModel 4B231 Chassis 5409 - Zenith Radio Corp.; Chicago,
Year: 1939Category: Broadcast Receiver
Valves4: 6D8G 6S7G 6T7G 38
TechnologySuperhet IF 456 kHz
Wave BandsBroadcast only (MW).
Power typeDirect Current supply (DC) / 6 Volt
Dimensions12.5 x 13.7 x 8 inch / 318 x 348 x 203 mm
SourceBook: gernsback Vol: 7 Page: 1733
SourceBook: rider Vol: 8 Page: 1&6