MATCHED PAIR NOS DuMont 6BL7GTA Audio VACUUM TUBES Black Shine Plate. Condition is New. Shipped with USPS First Class Package. .h-pstitle{background:url('https://www.homavo.com/e/product/title/EP38RHCOW9bBvvUm5FqH4A2/2')}.h-fstitle{background:url('https://www.homavo.com/e/feedback/title/EP38RHCOW9bBvvUm5FqH4A2/293541912990/2')}