funkyhambone Posted July 19, 2011 Share Posted July 19, 2011 i just acquired a hickok 533 tester today. it seems to have issues. any recommendations who/where to send it? thanks in advance Quote Link to comment Share on other sites More sharing options...
tube fanatic Posted July 20, 2011 Share Posted July 20, 2011 Contact Mike Marx at SND Tube Sales. He may be able to help you. http://www.vacuumtubes.com/ Quote Link to comment Share on other sites More sharing options...
db101 Posted July 23, 2011 Share Posted July 23, 2011 Kara Chaffe of dehavilland amplifiers does repair and calibration of tube testers, the website is www.tubewizard.com Quote Link to comment Share on other sites More sharing options...
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