Echophone S3 Schematic purchase

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

Saturday 20/4/2024 9:20
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
Echophone S3 (Rider : Echophone 1 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

Echophone S3 Specification spec data sheet

These notes are automatically scraped from Google, Bing, Yahoo, Yandex
by an Artificially (not so) Intelligent algorithm
CountryUSA
ManufacturerEchophone Radio, Inc. - see also (The) Radio Shop or Hallicrafters Inc.
Brand Ufonic
ModelS-3 - Echophone Radio, Inc. - see
Year: 1930Category: Broadcast Receiver
Valves5: 24 24 24 45 80
Technology TRF without regeneration; Screengrid 1926-1935
Tuned Circuits3 AM circuit(s)
Wave BandsBroadcast only (MW).
Power typeAC / 110; 125 Volt
Dimensions360 x 420 x 170 mm / 14.2 x 16.5 x 6.7 inch
SourceBook: Rider Vol: 1 Page: 1
SourceBook: Gernsback Vol: 2 Page: 220
SourceBook: Gernsback Vol: 2 Page: 221
SourceBook: Rider Vol: 1 Page: 1