Ashmaker

Baltimore Sonic Research Institute (BSRI Audio) is a Baltimore-based builder that also hosts the Baltimore Pedal Show. Their pedals often feature evocative names inspired by literature and unusual concepts.

The Ashmaker is a versatile bass distortion with a wide drive range and full EQ section. The switchable boost channel adds a second footswitch for maximum flexibility. BSRI's designer built it specifically for practical live performance use—when playing hardcore or death metal at fast tempos with steady 8th or 16th notes, the Ashmaker holds things together better than fuzzier alternatives.

Controls include drive, EQ, and boost sections. The pedal retails around $230 and has found fans in sludge metal and hardcore circles, often paired with preamps like the Rusty Box.

A practical, gig-ready distortion for bass players who need reliability and tonal flexibility.