Groove Tubes GT-6L6-S Medium Output Quartet Power Tubes for Guitar Amplifiers

The 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 round, with a pronounced midrange character; strident and chesty with a super-bright and clean, powerful punch. Perhaps the most recognized signature tone for U.S. guitar music of all styles from the ’60s onward. The Groove Tubes GT-6L6-S Medium Output Quartet Power Tubes have great dynamics and a very sweet, punchy tone with enhanced power rating and performance, a more brilliant top end, and a very full, pronounced, and round low-frequency output, making them a solid replacement for stock performance and rated them R4 to R7 medium range.