All power tubes are tested and burned in prior to shipping to ensure quality and reliability.
ALL tubes carry a 6 months warranty and ship free of charge!
The Ruby 6L6GC-MSTR is from the Shuguang factory. It's thicker glass envelope and sturdy construction is designed to work in the most demanding applications. It it packed with lots of punch and a sweet tone, very musical. Philips STR copy.
Note: If you buy 2, 4 or 6 tubes the entire set will be matched.
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