Want the smoothest richest tone possible? This is our Gold Pin Option Retube Kit for the Blackstar Soloist 60 Amps. It contains two Gold Pin ECC83S's for V1 and V2 along with a Matched Pair 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.