Variable resistance assembly with improved contactor knob

Variable resistance attenuator

Variable resistance control

Variable resistance control

Variable resistance control

Variable resistance control

Variable resistance control

Variable resistance control

Variable resistance control

Variable resistance control

Variable resistance control

Variable resistance control and method of making the same

Variable resistance control with low noise contactor

Variable resistance control with multiple paddle contactor and m

Variable resistance device

Variable resistance device

Variable resistance device

Variable resistance device

Variable resistance device

Variable resistance device