Jackson Ampworks

8211; We performed the same clean mods on this amp that we did on the Britain 30 which gives the amp more clean headroom via a reduction in preamp gain and a power supply modification. The NewCastle MKII builds upon the NewCastle 30 by adding the BODY control that we developed for the original McFly! The BODY control is a 6-position Rotary Switch which allows the player to select various configurations of components to sculpt the amount of low-frequency in their tone. Using a switch to control the frequency response provides an intuitive and repeatable method of dialing in your low-end and reduces loading on the guitars signal and results in a more natural and open tone like you'd find in a studio grade preamp. We &