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Tubes - Transmitting, Audio, Misc.

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  1. 813 Transmitting Tube, RCA (NOS)

    813 Transmitting Tube, RCA (NOS)


    813 Transmitting Tube, (NOS)  RCA / GE / ETC (US Brand)  No longer available for Export, (NOS)

    The 813 beam power tube was very popular with amateur radio operators following WW II. The tube remained a staple of amateur radio until single sideband became a popular operating mode in the late 1950's and early 1960's. Featuring a graphite plate with an ICAS dissipation rating of 125 watts the tube was very economical and a pair could provide legal limit operation (1 kilowatt input) on CW or AM. Later tubes manufactured by RCA and Amperex featured an improved plate made of zirconium-coated nickel.

    Made in the USA

1 Item(s)