KT66 MWT made in England Audio Tube Amplitrex tested Qty 1MP #446007 2662001

1MP KT66 MWT NOS NIB made in England Audio Tube Amplitrex tested #446007&2662001. KT66 MWT NOS NIB Black Coated Glass made in England Audio Tube Amplitrex tested Qty 1 Match Pair. NOS NIB KT66 OSRAM. Tested on Amplitrex AT1000 Advance Digital Tube Tester.

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