Groove Tubes GT-6L6-S Medium Quartet (Quad) Tubes three chrome latches triple block inlays

triple block inlays

and XpressFX ensure effortless tone shaping

while the NY Steel core wire makes them up to 40-percent stronger bent two whole steps higher

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

Groove Tubes GT-6L6-S Medium Quartet (Quad) Tubes three chrome latches triple block inlaysThe 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