Looking to warm up your Stereo Twilighter? This is our Standard Retube Kit for the Magnatone Stereo Twilighter Combo Amps. It contains two ECC82's to replace the 12AU7's along with five 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.