(!!!!!) (Best Value Pair) 12AT7=ECC81 Telefunken Germany Diamond Bottom <> used/good 1960”s (7.6/6.2ma and 6.2/7.2ma)

1 low noise pair) 12AT7 Telefunken Germany Diamond Bottom <> used/good 1960”s in white boxes fairly good printing

1 tube) 7.6/6.2ma Gm=4300/4000

1 tube) 6.2/7.2ma Gm=4100/4600

Good used mA range 7-9ma

Good used Gm range 4000-5500

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