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Atwater Kent Model 776 6-Tube Auto Radio
Radio Service Data Sheet
June 1936 Radio-Craft

June 1936 Radio-Craft

June 1936 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.

Atwater Kent Model 776 Automobile Radio - RF CafeThis thumbnail image of a Atwater Kent Model 776 Automobile Radio is from the AtwaterKentRadio.com website. You can see from the picture that the entire radio was contained in a single chassis, unlike many models of the day that had the bulky RF electronics mounted behind the dashboard or under a seat, and the listener interface controls mounted separately in the dashboard. Below is the Radio Service Data Sheet as it appeared in a 1936 issue of Radio-Craft magazine. It was one of six such documents that appeared - without any description or alignment information included as is normal with the individual, full page data sheets.

Atwater Kent Model 776 6-Tube Auto Radio
Radio Service Data Sheet

Atwater Kent Model 776 6-Tube Auto Radio Radio Service Data Sheet, June 1936 Radio-Craft - RF CafeTone control; illuminated remote control; noise suppression; A.V.C.

In early sets, the upper of V4 is 5,000 ohms with a voltage drop of4 V. and the lower is 15,000 ohms with a drop of 10 V. In late sets, as shown, resistors   are 10,000 ohms each, with a total drop of 12 V. Early sets also had a 0.1-meg. plate resistor for V4 with a drop of 55 V., making plate voltage 125 V. Voltage is much lower with the 0.25-meg. resistor shown. Early models do not have a tone control and the "A" filter circuit is slightly different than shown.· The bypass condenser on the pilot light is 0.2-mf.

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