NOS TELEFUNKEN ECC81 12AT7 QUAD (4) $82.50 USD Sold on: 2013-Jul-13 Marketplace: eBay 3 Treasure 0 Trash 100% Detail: FOR SALE: NOS TELEFUNKEN <> ECC81, 12AT7 qty (4); Evaluated on Hickok 539C (for Gm) and George Kaye Tester (for Noise) TUBE No. 1 2 3 4 TRIODE: 1 2 1 2 1 2 1 2 mmhos* 3700 4100 3900 4600 4275 44... More Relevance Historical Items
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