Looking for a really smooth and rich tone? This is our Gold Pin Option Retube Kit for the Blackstar Artisan 100 Amps. It contains three Gold Pin ECC83S's for V1, V2 and V3 along with a Matched Quad of JJ E34L's for the power section but you can configure this kit to use the JJ EL34II's, EL34’s, KT77’s or Big Bottle 6CA7’s by clicking on the "Customize" button.