Sparton 89 Schematic purchase

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

Saturday 27/4/2024 7:12
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 89 (Gernsback : Radio 1 P: 279)
£1.80 (~ $2.20 or €2.10)
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The schematic will be taken from Gernsback-Manual-1930

Gernsback-Manual-1930 preview

Sparton 89 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 89-A Equasonne - Sparks-Withington Co., Sparton
Year: 1928-1930Category: Broadcast Receiver
Valves9: 485 485 485 485 485 485 50 81 81
TechnologyTRF without regeneration
Tuned Circuits4 AM circuit(s)
Wave BandsBroadcast only (MW).
Power typeAC / 140 Watts, 25 cycles, 3 taps for 110 to 130 Volt
Dimensions29 x 39 x 13.5 inch / 737 x 991 x 343 mm
Initial Price375.00 $
SourceMyFile: sparks withington_sparton-69_79_79a_equasonne_89_89a-1928.1933.rider.radio.pdf
SourceMyFile: sparks withington_sparton-69_79_79a_equasonne_89_89a-1928.radio.pdf
SourceBook: gernsback Vol: 1 Page: 279
SourceBook: rider Vol: 1 Page: 7
SourceBook: rss Vol: 1 Page: 69