You may remember James Brown as the mastermind at Peavey Electronics and Kustom Amplification. In addition to being the brains behind Peavey’s 5150, Classic Series, and JSX, Brown is an award-winning pedal designer. Today, he practices his artistry at Amptweaker. One of Brown’s Amptweaker designs is the TightDrive Jr, a multipurpose overdrive that takes up …