16 RCA 7586 NUVISTOR TUBES TESTED! VINTAGE $56.00 USD Sold on: 2013-Sep-15 Marketplace: eBay 7 Treasure 0 Trash 100% Detail: 16 RCA 7586 NUVISTOR TUBES ALL HAVE STRONG TESTS FROM 80 TO 120 WHERE 68 IS THE MINIMUM All tubes test good with no shorts or leakage. Tested on a B&K 707 Dynamic mutual conductance tube tester. 1... More Relevance Historical Items
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