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(!!!!!) (BEST VALUE PAIR) 12AT7=ECC81 Telefunken Germany <> bottom used/good early 1960's (7.0/7.8ma and 6.8/7.8ma)

(!!!!!) (BEST VALUE PAIR) 12AT7=ECC81 Telefunken Germany <> bottom used/good early 1960's (7.0/7.8ma and 6.8/7.8ma)

$ 89.99

1 low noise pair) 12AT7=ECC81 Telefunken <> bottom used/good 1960's in white boxes

1 tube) 7.0/7.8ma Gm=4700/5100 Telefunken faded printin g- on right

1 tube) 6.8/7.8ma Gm=4200/4900 branded Fisher made in 1964


Good mA range for used 7-9mA

Good Gm range for used 4000-5000

 

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