Mesa Boogie 6L6 STR 440 (DUET) Vacuum Tubes for Amp

Manufacturer Description:

The MESA 6L6 STR-440 is our very best overall 6L6 - It is a premium grade, US equivalent and our tube of choice in the production of all new Mesa 6L6 powered models - Remarkable bass definition, articulate mids and shimmering highs keep every note amazingly intelligible, with a smooth, creamy character - Premium structural quality provides exceptional consistency and reliability - Rivals NOS (New Old Stock) durability and sonic character - Amazing for all styles of music.


The STR 440 is a direct replacement for our out of production STR 420's and STR 430's.

Year Condition
Call Brand New


Sound Pure
Durham, NC
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10am-6pm EST Monday-Friday and 11am-5pm Saturday