Groove Tubes Gold Series GT-6L6-GE Matched Power Tubes Low (1-3 GT Rating) Quartet April 21, 2011/in All About Guitars /by sheetmusic$97.95 New Meticulously recreated power tubes for the classic sound of the late 60s.Groove Tubes Gold Series GT-6L6-GE Matched Power Tubes Low (1-3 GT Rating) Quartet http://www.sheetmusicdaily.com/wp-content/uploads/SheetMusicDaily-300x53.jpg 0 0 sheetmusic http://www.sheetmusicdaily.com/wp-content/uploads/SheetMusicDaily-300x53.jpg sheetmusic2011-04-21 12:12:382011-04-21 12:12:38Groove Tubes Gold Series GT-6L6-GE Matched Power Tubes Low (1-3 GT Rating) Quartet