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Preamp tubes

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(!!!!) (Best Single #1) EC92=6AB4 Telefunken Germany <> bottom NOS 1968 (10.6ma) (mic)

(!!!!) (Best Single #1) EC92=6AB4 Telefunken Germany <> bottom NOS 1968 (10.6ma) (mic)

$ 99.99
(!!!!) (Best Single #1) EC92=6AB4 Telefunken Germany <> bottom NOS 1965 (15ma) (mic)

(!!!!) (Best Single #1) EC92=6AB4 Telefunken Germany <> bottom NOS 1965 (15ma) (mic)

$ 94.99
(!!!!) (Best Overall Pair) EC92=6AB4 Telefunken Germany <> bottom NOS 1965 same date codes (9.2/9.5ma) (mic)

(!!!!) (Best Overall Pair) EC92=6AB4 Telefunken Germany <> bottom NOS 1965 same date codes (9.2/9.5ma) (mic)

$ 179.99
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