Band - Immortal
In the past Abbath used a GHL Jackson Randy Rhoads copy which he modified with new pickups, hardware, and a custom paint job. Currently he has primarily been using a ESP LTD DV8-R Dave Mustaine Model which he has modified to accept a Floyd Rose tremolo system. Abbath uses Engl Blackmore amps, Peavey Bandit amps and used to use Mesa/Boogie amps. In an issue of Guitar World which features an interview with him, it is mentioned that he has an endorsment deal with ESP.