Radio Circuit Page, October 1946 Radio News

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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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Radio Circuit Page
October 1946 Radio News Article

October 1946 Radio News

October 1946 Radio & Television News Cover - RF Cafe

[Table of Contents]

Wax nostalgic about and learn from the history of early electronics. See articles from Radio & Television News, published 1919-1959. All copyrights hereby acknowledged.

These six schematics and parts lists were published in a 1946 issue of Radio News magazine. Included models are the Hoffman Model A300, the Emerson Model 505, the Olympic Models 6-501, 6-502, 6-503, the Radiola Models 61-5, 61-10, the Farnsworth Models ET-060, ET-061, ET-063, and the General Electric Model 321. All are tabletop models. Many, if not all, of these radios can be found on eBay eventually - maybe even right now. In fact, all of the thumbnail images shown below were just pulled from eBay listings.

Radio Circuit Page

Here, and on following pages, are circuit diagrams and parts lists of many new postwar radio receivers. Radio News will bring to you other circuits as quickly as possible after we receive them from manufacturers.

Hoffman A300 Radio - RF Cafe

Hoffman Model A300

Emerson Model 505 Radio - RF Cafe

Emerson Model 505

Olympic Model 6-501 Radio - RF Cafe

Olympic Models 6−501, 6−502, 6−503

Radiola Model 61-5 Radio - RF Cafe

Radiola Models 61−5, 61−10

Farnsworth Model ET-060 Radio - RF CAfe

Farnsworth Models ET−060, ET−061, ET−063

General Electric Model 321 Radio - RF Cafe

General Electric Model 321

Posted May 6, 2022

Radio Service Data Sheets

These schematics, tuning instructions, and other data are reproduced from my collection of vintage radio and electronics magazines. As back in the era, similar schematic and service info was available for purchase from sources such as SAMS Photofacts, but these printings were a no-cost bonus for readers. There are 227 Radio Service Data Sheets as of December 28, 2020.

TotalTemp Technologies (Thermal Platforms) - RF Cafe

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