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Learn about the history and variations of the 6146 tube, a common final amplifier in "boat anchor" transmitters. Find out the differences between 6146, 6146A, 6146B, 6146W and 8298 tubes and how to use them safely.
The 6146 beam power tube and its various descendents (6146A, 6146B) was and still is one of the most popular transmitting tubes in amateur radio service. The tube was originally introduced by RCA in an ad in the January, 1952 issue of QST magazine: Click here or on the image above for a larger version. With an ICAS plate dissipation of 25 watts ...
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What is the difference between 6146 and 6146B?
What is a 6146 power tube?
Are RCA 6146a and 6146B the same?
What's the difference between a 6146 and a 6293?
There is another 6146 family tube that is "superior" for operation at least through 10 meters. That is the 6293. This tube was designed for "pulse" service and is rated at 1-Kilowatt pulse power input. The primary difference between these and the "normal" 6146 is that the plate is much "heavier" in its construction. Back in
Find a variety of 6146 tubes for transmitting, audio, and misc. applications at RF Parts. Compare prices, ratings, and availability of new old stock, military, and improved military replacement tubes from different brands and countries.
6146 is a type of tube that produces a high-frequency plate dissipation of 25 watts at up to 60 MHz and 175 MHz. It has a base octal design and is similar to other tubes such as QV06-20, CV3523, CK6146, QE05/40 and QV06-20. See tube prices, usage in models, information sources and more.
60MHz. The original RCA 6146 (1952) specifications were totally different from any of the follow on 6146 tubes. The improved RCA 6146 (1963) and RCA 6146A are apparently partial copies of the (1961) Sylvania 6146A which came to market 18 months earlier. The original RCA 6146 is a very different from any of the follow-on 6146 series tubes.
This is an "electrically ruggedized" 6146. All other specs are the same. USA Brands--New Original Boxes (NOS) $49. 6293. Used Tested Good. $32. 6146W. Military "mechanically ruggedized" version of the 6146A/B. Built to withstand high shock and vibration.
