Sparton 740 ;DC Schematic purchase

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

Saturday 27/4/2024 11:47
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
Sparton 740 ;DC (Gernsback : Radio 2 P: 402)
£1.80 (~ $2.20 or €2.10)
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The schematic will be taken from Gernsback-Manual-1931

Gernsback-Manual-1931 preview

Sparton 740 ;DC Specification spec data sheet

These notes are automatically scraped from Google, Bing, Yahoo, Yandex
by an Artificially (not so) Intelligent algorithm
CountryUSA
ManufacturerSparks-Withington Co., (Sparton); Jackson, Michigan
ModelModel Sparton 740-SX - Sparks-Withington Co., Sparton
Year: 1939Category: Broadcast Receiver
Valves7: 6K7G 6J8G 6K7G 6Q7G 6U5 6F6G 5Y3G
TechnologySuperhet with RF-stage; IF 456 kHz; 2 AF stage(s)
Tuned Circuits7 AM circuit(s)
Wave BandsBroadcast plus 2 Short Wave bands.
Power typeAC
SourceBook: rider Vol: 11 Page: 12