http://www.effectrode.com/signal-tubes/ ... omparison/
http://www.effectrode.com/signal-tubes/ ... omparison/
ENG/RUS "Mullard" 12AX7s disassembled & compared
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ENG/RUS "Mullard" 12AX7s disassembled & compared
by dai h. » Mon Dec 29, 2014 10:52 pm
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Re: ENG/RUS "Mullard" 12AX7s disassembled & compared
by David B » Tue Jun 21, 2016 9:44 pm
Just saw this .A comparison of the construction,this is cool! the differences in the how the grid is wound and the plates is interesting. I'll have the check the test results time permitting, haven't had much fun time lately dammit 
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David B - Posts: 798
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