Matched Balanced Pair Western Electric JW 5755 420A Military Spec | INCLUDES 12AX7 ADAPTERS | Black Plates | Square Getters. Tube 1 tests at 42/42 and tube 2 at 42/40 with 25 being the minimum score for a good tube (with 65% life remaining).
Matched Balanced Pair Western Electric JW 5755 420A Military Spec | INCLUDES 12AX7 ADAPTERS | Black Plates | Square Getters. Tube 1 tests at 42/42 and tube 2 at 42/40 with 25 being the minimum score for a good tube (with 65% life remaining).