Auction is for one Platinum Matched Pair ( 2 tubes ) extremely rare NOS NIB Telefunken 5965 They are the same Ulm codes. Carefully matched and balanced.
Long (17 mm ) anodes, ECC802S ribbed anode construction with flanges. The first ever type, GRAY FLANGES!!!
Close to ECC81 / 12AT7, but with slightly lower gain, mu = 47 (vs 60)
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