Features Limited Edition Blue Four Noise Gates, one for each channel and with their own threshold Pairs perfectly with the Joe Satriani Signature JVM410HJS amp head Description Product Description Many artists over the years have been extraordinarily loyal to Marshall Amplification, and to show his gratitude Jim Marshall introduced the Signature Series. The Joe Satriani Signature 1960AJSB speaker cab pairs perfectly with the Joe Satriani Signature JVM410HJS head. It's a standard Marshall 1960A cab with tolled to match the Satriani signature head.