Want your clean channel really clean and your drive channel hot? This is our Normal Clean - High Gain Lead Option Retube Kit for the Kustom Couple and Hard Top 72 Amps. This kit contains a standard ECC83S for V1, a handpicked High Gain ECC83S for V2, a standard ECC83S for V3 and a current balanced ECC83S for the phase inverter in V4. The default power tubes are a matched quad of the JJ 6L6GC’s but you can configure this kit to use the JJ 5881’s by clicking on the "Customize" button!