Sparton 620 Schematic purchase

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

Tuesday 23/4/2024 14:52
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
Sparton 620 (Beitman : Sparton 1926 P: 192)
£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

Sparton 620 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
ModelSparton 620AC - Sparks-Withington Co., Sparton
Year: 1930Category: Broadcast Receiver
Valves10: 484 484 484 484 484 484 484 183/483 183/483 280
TechnologyTRF without regeneration
Tuned Circuits4 AM circuit(s)
Wave BandsBroadcast only (MW).
Power typeAC / 100-130 Volt
Initial Price151.00 $
SourceBook: Beitman Vol: 1926 Page: 192
SourceBook: Rider Vol: 1 Page: 20
SourceBook: Gernsback Vol: 2 Page: 412&322(V3)
SourceBook: Gernsback Vol: 2 Page: 412&322(V3)
SourceBook: Rider Vol: 2 Page: 53