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Vintage Jackson 648 Dynamic Tube Tester w/ Case & Manuals Xtra\'s - NICE Read Des
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Vintage Jackson 648 Dynamic Tube Tester w/ Case & Manuals Xtra\'s - NICE Read Des
Price: US $104.50
You are offerding on a vintage Jackson 648 tube tester. It\'s in very good condition for its age. It comes with a ton of documentation and extras and the vacuum tubes Inc manual and calibration tube which is the best! Also has a bunch of extra associated documentation and service bulletins. I did power it up to check the calibration and it\'s reading a little high. Tube is calibrated at 85 and it reads 90. This unit is one of the easier to calibrate as pots are used for the calibration I also recall that when I put it away, the meter was occasionally a bit temperamental, and needed a tap before it would register.This unit has the upgraded shorts test, as well as the filament voltage upgrade kit installed. The tester does test a number known weak tube bad and good ones good, but you\'ll probably want to have this serviced/service it yourself so the calibration is right on. Item is sold as is with 99ยข starting offer,
, no returns. Please check out my other sales and add me to your favorite seller list so you don\'t miss out on my vintage tube, electronic, and musical equipment listings. Thanks for looking and good luck! :)


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