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In Reply to: Re: wide plate 12AX7 posted by Jimmy on June 02, 2004 at 20:38:59:
It seems my English is not so good....
I am not interested in the high of the plates, but in the distance between the two halfs of one plate. If you look the plates, you would perhaps tell it depth.
Does anybody know the American 12AX7 with the biggest depth? Is it the old GE one?
Follow Ups:
I have an old Sylvania 12AX7 with center 'bump' type shiney black plates and a wide extension on each side of that center 'bump' plate area. It is like an extra wide plate section to increase the plate dissapation and it extends almost to the glass. The plate height is approximately 13mm.The tube has a square getter, thus is most likely a 1950s era tube.
Is this the design you are refering to?
ja in clear and hot, Tucson, AZ
The Elaborate DAC=55/76 or 27 Balanced Preamp=Balanced Six Pacs=Newform Research 645
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