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#17
12-06-2014, 01:41 PM
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Where are the purity magnets??
Does anyone see a purity magnet assembly around the front of the 12AX ? Can't tell from the photos. EDIT: OK Forget it. Looking at the schematic, I see a "field neutralizing coil" supplied from a couple of 100 ohm pots from the power supply. Must be something like was done on the 15GP22 sets. I think I like the Permanent magnet ring as used on the 21CT55, CTC4 and CTC5 and other manufactures sets, because it gives you 6 to 8 quadrants of variable adjustment. You can fine tune purity quite well with the magnets. All in all a very cool set. I am specially fond of sets with a separate powers supply chassis.
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Vacuum tubes are used in Wisconsin to help heat your house. New Web Site under developement ME http://AntiqueTvGuy.com Last edited by ohohyodafarted; 12-06-2014 at 01:54 PM. 
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