Been lurking here a lot lately, thanks for all the great posts and knowledge.
Found some good info on a couple current production 12AX7's on the Z forum from Myles Rose I thought I would share.
http://la-economy.blogspot.com/2012/02/ ... issue.html
http://la-economy.blogspot.com/2012/02/ ... j803s.html
Personally I've been struggling with tubes for awhile to the extent of purchasing a MaxiMatcher, MaxiPre, and I just got a Tube Imp so I can measure current.
Anyho, enjoy. I'll be back when I get my parts from RJ and start my new Thunderbolt build.
thanks
rp
12AX7 new test data
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randalp3000
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Cliff Schecht
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Re: 12AX7 new test data
I'll disagree with this. Gold helps prevent the pins from oxidizing like old tube pins always seem to do. Other than that cool little articles!As a side note, gold pins are vacuum plated, ultra inexpensive to do and offer no benefit.
Cliff Schecht - Circuit P.I.