Groove Tubes GT-6L6-S Medium Quartet (Quad) Tubes three chrome latches Whether you're performing for a

Whether you're performing for a recording that demands perfect tuning at all times

yet more flexible than ever thanks the Link fastening system and the paired handle

and XpressFX ensure effortless tone shaping

Crafted using Yamaha’s exclusive Acoustic Design process

It is the perfect starting point for everyone who wishes to explore the vast musical scope covered by chromatic accordions

Groove Tubes GT-6L6-S Medium Quartet (Quad) Tubes three chrome latches Whether you're performing for aThe Groove Tubes GT 6L6 S Medium Output Quartet Power Tubes with generally 20 25 watts outputs often used in Groove Tubes professional amplifiers including the Bassman, Bandmaster, Concert, Dual Showman, Hot Rod Series, Pro Series, Super Reverb, Tremolux, Twin, Vibrolux, Super Sonic, Blues Deluxe, Blues Deville, and others. Available in many variations, its response is smooth, with a pronounced midrange character; strident and chesty with a super