Firestone 4C20 Schematic purchase

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

Tuesday 16/4/2024 11:13
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
Firestone 4C20 (Rider : Firestone 23 P: 1)
£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

Firestone 4C20 Specification spec data sheet

These notes are automatically scraped from Google, Bing, Yahoo, Yandex
by an Artificially (not so) Intelligent algorithm
CountryUSA
ManufacturerFirestone Tire & Rubber Co. (Air Chief & Roamer, Airchief); Akron (OH)
ModelModel 4-C-20 "The Caravan - Firestone Tire & Rubber Co.
Year: 1952Category: Broadcast Receiver
Valves4: 1R5 1U4 1U5 3V4
TechnologySuperhet IF 455 kHz; 2 AF stage(s)
Tuned Circuits6 AM circuit(s)
Wave BandsBroadcast only (MW).
Power typeLine / Batteries (any type) / 117; (4.5; 90) Volt
Dimensions10.7 x 4.2 x 6.4 inch / 272 x 107 x 163 mm
Net weight1.8 kg / 3 lb 15.4 oz (3.965 lb)
SourceBook: beitman Vol: 1952 Page: 51
SourceBook: rider Vol: 23 Page: 1