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The 6V6 family came in many constructions and were very popular as the final audio stage of radio receivers. Here we see that it was also adopted by the American Government and called VT-107.

The design is a derivative of the more powerful 6L6. The 6V6 was a workhorse of the broadcast receiver from its introduction in the mid 1930's in the metal can version through the large glass 6V6G version and finally to the midget 6V6GT versions.

In this exhibit we have the RCA version with its gloss paint finish on the steel envelope.

The valves were capable of push pull use but the normal environment was as a single end output stage.

The thin metal tube envelope is 25 mm in diameter, and excluding the IO base pins is 66 mm tall.

References: Data-sheet, ¹⁰⁴⁰ & ¹⁰⁴³. Type VT-107 was first introduced in 1936. See also 1936 adverts.

Pin Connections

Absolute Maximum Operating Conditions^¶

Thanks to Frank Philipse for supplying the above PDF datasheet.