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Clarion 5 Tube Model 423; 6 Tube 470, 471 and 472; and 10 Tube 480
Radio Service Data Sheet
June 1934 Radio-Craft

June 1934 Radio-Craft

June 1934 Radio-Craft Cover - RF Cafe[Table of Contents]

Wax nostalgic about and learn from the history of early electronics. See articles from Radio-Craft, published 1929 - 1953. All copyrights are hereby acknowledged.

Clarion 5 Tube Model 423 ( photo) - RF CafeAt least for now, I am going to only scan and post Radio Service Data Sheets like this one featuring the Clarion 5 Tube Model 423; 6 Tube 470, 471 and 472; and 10 Tube 480 radio in graphical format, and run OCR on them to separate the textual content and make it searchable. There are still many people who restore and service these vintage radios, and often it can be difficult or impossible to find schematics and/or tuning information. I will keep a running list of all data sheets to facilitate a search. Clarion 5 Tube Model 423 photo above was found on the website.

Clarion 5 Tube Model 423; 6 Tube 470, 471 and 472; and 10 Tube 480
Radio Service Data Sheet

(Model 422 A.C.-D.C. superhet. - 126 channels; built-in antenna. Model 470 superhet. - 246 channels; built-in antenna; tone control; A.V.C. Model 480 - 296 channels; neon tuning indicator & noise suppressor; A.V.C.; tone control; A.F. compensation; noise control; class B A.F.

Clarion 5 Tube Model 423; 6 Tube 470, 471 and 472; and 10 Tube 480, June 1934 Radio-Craft - RF Cafe

Clarion 423 (422 chassis)

A 5 tube A.C.-D.C. superhet., with built-in antenna.

The sup.-G voltage of V2 is 0; V3, 0.8V.

Clarion 470, 471 and 472

A 6 tube superhet. Has A.V.C., .contr6l, and self-contained antenna.

Clarion 480

A 10 tube superhet. Has A.V.C., tone control, neon tuning with inter-station noise suppression, noise-level control, base-note compensation, and push-push class B output.

Clarion model 422 chassis; frequency range, 540 to 1,800 kc.

Above, Clarion model 470 chassis frequency range, 540 to 3,000 kc. used in models 470, 471 and 472 sets. Below, Clarion model 480 chassis; frequency range, 540 to 3,500 kc.



Posted July 19, 2015

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 219 Radio Service Data Sheets as of November 15, 2017.

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Kirt Blattenberger,

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 Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...

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