Sentinel 221A Schematic purchase

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

Tuesday 23/4/2024 9:59
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
Sentinel 221A (Rider : Sentinel 12 P: 22)
£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

Sentinel 221A Specification spec data sheet

These notes are automatically scraped from Google, Bing, Yahoo, Yandex
by an Artificially (not so) Intelligent algorithm
so they might not pertain to the correct model! (confidence level=85.71%)
CountryUSA
ManufacturerSentinel Radio Corp., Evanston, Illinois
Model221 - Sentinel Radio Corp., Evanston
Year: 1941Broadcast Receiver
Valves9: 6SA7 6SJ7 6SK7 6SQ7 6U5 6SF5 6K6G 6K6G 5Y3G
TechnologyIF 455 kHz
Wave BandsBroadcast plus 2 Short Wave bands.
Power TypeAlternating Current supply (AC) / 115 Volt
Dimensions20.625 x 11 x 10.25 inch / 524 x 279 x 260 mm
SourceBook: Rider Vol: 12 Page: 22