Do you like fat mids and a little extra high end sparkle? This is our ECC803S V1 Option Retube Kit for the Magnatone Super 15 Combo Amps. It contains one ECC82 to replace the 12AU7, a Long Plate ECC803S for V1 along with two ECC83S's with one being current balanced for the phase inverter in V4. The kit includes a JJ GZ34 rectifier tube and the default power tubes are a matched pair of the JJ EL84's but you can configure this kit to use the JJ EL844's by clicking on the "Customize" button!