Marshall JVM410HJS Joe Satriani Satch 6L6 Mod 4-Channel 100-Watt Guitar Tube Amp Head (Joe Satriani Private Collection) (Pre-Owned) Own a piece of history! One of a kind Marshall JVM410HJS owned and played by famed virtuoso shredder Joe Satriani himself! This head was modified to 6L6 Power Tubes...