Amazon - Barrel Jack - Compra Barrel Jack. AdSpedizione gratis (vedi condizioni)OutletPC Windows PremiumNegozio ApplePortatili e Tablet Barrel Jack Wiring Diagram Output - guitar barrel jack Guitar Barrel Jack Wiring Diagram Electrical Wiring Diagrams. Barrel Jack Wiring Diagram Output "Barrel" output stereo jack issues. | TalkBass wwwbass››Pickups & Electronics [BG]Hi folks i decided to install a preamp on my Fenix bass. The old jack output barrel was worn with a lug broken so i decided to purchase a new one:..