Ruby 6L6GCMSTR

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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. They are packed with l ot's of punch and a sweet sweet tone, very musical. Philips STR-415 copy. This is the same tube Mesa relabel's as their STR-440's. Show more