FRIEDMAN DIRTY SHIRLEY DUAL CHANNEL ALL-TUBE MODULEA centerpiece of the Friedman Amplification lineup, the Dirty Shirley effortlessly blends the old school rock tones of late '60s England with the focused and clear high gain tones that define the Friedman Empire. This single channel tube amp sets the standard for touch sensitivity, cleaning up beautifully as you lighten up your pick attack or roll back your guitar's volume. It is also an incredible platform for your whole array of stomp boxes. Though