Deep Blues DDO – ILITCH ELECTRONICS,ILITCH ELECTRONICS – Hum Canceling Systems,First Listen: The Sophia Electric Blue Glass KT88-ST in the Leben CS600X Integrated Amplifier! Updated. - Jeff's Place,First Listen: The Sophia Electric Blue Glass KT88-ST in the Leben CS600X Integrated Amplifier! Updated. - Jeff's Place,LIUTOPIA® CLONE CORNELL-DUBILIER CAPACITOR