Matched Pair Western Electric Jan-5755 420A Military Spec Vacuum Tubes | INCLUDES (2) 12AX7 ADAPTERS | Black Plates | Square Getters. Tube 1 tests at 48/46 and tube 2 at 46/48 with 25 being the minimum score for a good tube (with 65% life remaining).
Item Tag: 5755 420A
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Western Electric JW 5755 420A Mil Spec w/12AX7 ADAPTERS Matched Balanced Pair
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).