Do you like fat mids and a little extra high end sparkle? This is our ECC803S V1 Option Retube Kit for the Magnatone Stereo Twilighter Combo Amps. It contains two ECC82's to replace the 12AU7's, a Long Plate ECC803S for V1 along with four ECC83S's with two of them being current balanced for the phase inverters in V3 and V4. The kit includes a JJ GZ34 rectifier tube and the power tubes are a matched quad of the JJ 6V6S's.