[Amps] 6C21 1000T GMI-30

Fuqua, William L. wlfuqu00 at uky.edu
Thu Jan 5 01:43:50 EST 2023

I keep seeing advertisements GMI-30<https://www.ebay.com/itm/143957110894?hash=item218483306e:g:dQYAAOSwcy1gNAoP&amdata=enc%3AAQAHAAAAoLI1S%2Fn4bVbJqpNiBMalePORs7mLQOx1YQ0DWSuYl%2FK%2FL7X7ZnTrWy039dUkkiSGQVL3alcwNlNWSOwA29O%2BLu83t6K42fTUeoeAPyg6vK0UyT9M7mXaeN6uRVTCsvAql8pBvROAKRUyRynn3Dv7BeEajOb1NrR6Pe4IBkBYWKc9VN5UiOAgqbPfOQbs3ztZE8Xyx9xoDSLcbzQ9U5FyHBk%3D%7Ctkp%3ABk9SR4STy4mwYQ> and 6C21 tubes claiming they are the
same as a 1000T. They are not they have 1/3 the plate dissipation of a 1000T.
 Even the radiomuseum.org states that they are the same.
Also, does anyone have advertisements from mid-60 that show surplus prices of
813, 803 and 4E27A tubes?

Bill wa4lav

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