Tung-Sol 6L6GC-STR 

New production tube made by New Sensor in the Reflektor factory in Russia. Perfect drop-in replacement for any 6L6GC amplifier. They're very well-built, and sound great with a little more midrange clarity than the SED, which has a little warmer character.

Pricing above includes matching in any quantity you need at no extra charge.

to the highest standards, including a 72-hour burn in process, and testing at real-world voltages.