Brownmark played Fender Jazz and Alembic Spoiler basses. The Alembic Spoiler was fitted with a pickup to trigger a Roland GR-77B synthesizer.
Brownmark's amplifiers included an Ampeg SVT paired with Ampeg 2x15" cabinets. He later switched to a custom preamp and EQ setup, with a Crown power amp and custom cabinets.
He used a Lexicon phaser and possible a Boss TW-1 T-Wah envelope filter.
