Do you like FAT mids and some extra high end sparkle? This is our ECC803S V1 Option Retube Kit for the Gibson GA 6 Combo Amps. It contains a Long Plate JJ ECC803S for V1 and a current balanced ECC83S for the phase inverter in V2. The kit includes a JJ 5Y3S rectifier tube and the default power tubes are a matched pair of the JJ 6V6S's.