Expertly manufactured, our long-awaited Ruby 6L6GCMSTR Power Vacuum Tube is finally back in stock after the factory closure. With a 2024 production date, this highly sought-after tube offers unparalleled quality and performance for all your audio needs. Upgrade your sound today with Ruby.

A Santana Favorite and our most popular 6L6GC tube with a full sounding with good power and very durable construction, A rugged copy of the Philips STR tubes.

All RUBY™ Tube power tubes come already matched. There is no extra charge for this service. Our Magic Parts matching process is very exact and our tubes are matched within +/- 1 ma (mille amp) of each other.