The Dr.Tube JCM2000 DSL Stable Bias Kit solves the problem of the drifting bias in the Marshall JCM2000 DSL50 and DSL100 amps.

The Dr.Tube JCM2000 TSL Stable Bias Kit solves the problem of the drifting bias in the Marshall JCM2000 TSL100 and TSL122 amps.

The Dr.Tube JCM2000 Stable Bias Kit solves the problem of the drifting bias in the Marshall JCM2000 DSL50, DSL100, TSL100 and TSL122 amps. This Bare Kit consists of only the PCB, the connectors, the extra cable and the supports.

With this hollow 5mm drill it is very easy to free a pin of a power tube socket from the PCB. Very handy in combination with the Dr.Tube JCM2000 Stable Bias Kit.