Do you like FAT mids and some extra high end sparkle? This is our ECC803S V1 Option Retube Kit for the Bad Cat Cub II 15R Amps. This kit uses a Long Plate JJ ECC803S for V1 for a real fat tone along with four ECC83S's with one being current balanced for the phase inverter and a GZ34 rectifier tube. The default power tubes are a matched pair of the JJ EL84's. With the Customize option you can configure this kit to use the JJ EL844's which will drop the power output a couple decibels (ideal for players wanting decreased headroom/output).