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Vacuum Tubes (9) 6SN7 Sylvania Tested $69.00 USD Sold on: 2014-Nov-29 Marketplace: eBay  5 Treasure 0 Trash   100% Detail:Up for auction are nine Sylvania 6SN7 chrome dome vacuum tubes, in very nice condition. All nine tubes were tested on a Hickok 547 mutual conductance tube tester, where 1560 micromhos is a minimum and...  More Relevance Historical Items |
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