This Section contains data on vacuum power tubes, rectifier tubes, magnetrons, and other tube types used in broadcast, television, and communications transmit-ters, as well as in other types of electronic equipment handling appreciable power.

tput is essential. The tube is also well suited for use as a buffer amplifier in medium -power transmitters, and is ideal as a final ampli-fier in low - ower transmitters. It is an excellent

Forced-air-cooled transmitting tubes include small power devices, under few hundreds watts, as well high power ones, over some 500 W. Among the small power tubes, the following ones are of particular interest, as prototypes of successful families or simply for …

The RF Parts Company Tubes (SELECT) 811A is the best quality 811A tube in current production. Usage tests show it to be equal to the much-respected RCA, 811A and Svetlana, 811A.

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The RF Parts 3-500ZG transmitting tube is the highest quality transmitting tube that money can buy, for decades RF Parts has been testing 3-500z tubes, and we only sell the best 3-500zg that pass our tube testing. we offer a warranty of three years on our RF Parts Brand 3-500z tube.

This 3CX10000B7 tube has been recently tested and meets all technical specifications. The Warranty period for this tube is Thirty Days from the date of purchase, for the original customer only.

With a thoriated tungsten filament, the 813 was introduced by RCA in 1938. News of the new transmitting tube first reached the amateur community in the November, 1938 issue of QST magazine. The 813 followed on the heels of the famous 6L6 beam power tube, which was the first power tube to use the electron beam principle.

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transmitting tube. It is designed for transmitters requiring exceptional o er-all efficiency. It is a logical choice for the ultra-modern final and intermediate r-famplifier that needs no neutralizing adjust-ments and that can switch c