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#1
February 3rd 04, 10:41 PM
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Testing ceramic tubes
Acquired about a dozen 8122 ceramic tetrodes (400 Watt dissipation, 500 Mhz
max) pulls from a broadband EMC amplifier. I have no use for them other than trades or ebay. Anyways, I'm thinking to test these things for emission I make a socket adaptor from the 8122 to something octal that my Hickock tube tester might deal with say a 6146 and test it as such. Won't know pass / fail but at least I can get an idea if they are all about the same results and weed out any duds. Anyone ever try such ? Bob kb8tl at arrl dot net |
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#2
February 4th 04, 01:06 AM
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I need some, What's the price?
Bob P wrote: Acquired about a dozen 8122 ceramic tetrodes (400 Watt dissipation, 500 Mhz max) pulls from a broadband EMC amplifier. I have no use for them other than trades or ebay. Anyways, I'm thinking to test these things for emission I make a socket adaptor from the 8122 to something octal that my Hickock tube tester might deal with say a 6146 and test it as such. Won't know pass / fail but at least I can get an idea if they are all about the same results and weed out any duds. Anyone ever try such ? Bob kb8tl at arrl dot net |
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