The MESA/Boogie 6L6 GC STR 443 Duet are premium grade, vintage-voiced power tubes. They are beautifully balanced, offering a deep low end, controlled, tailored low-mids with a pleasing sparkle and chime on the top-end that provides a pleasing clarity.  High quality structural integrity provides consistent, reliable performance, making this tube a great choice in any 6L6 based amp, and for any style of music.

As always, feel free to contact our store for more details, or with any questions.