Want the earlier breakup of the JJ EL844's and the rich smooth tone of the Gold Pin tubes? This is our Low Output Gold Pin Option Retube Kit for the VOX AC15HW1. It contains a matched pair of JJ EL844's for power to drop the overall output a couple decibels, a JJ EZ81 rectifier tube and three Gold Pin ECC83S's with one being current balanced for the phase inverter in V3.