Home Featured Walrus Audio Unveils the ACS1 Amplifier & Cab Simulator Walrus Audio Unveils the ACS1 Amplifier & Cab Simulator planetsixstring January 22, 2021 comments off Tweet on Twitter Share on Facebook Google+ Pinterest This post was originally published on this site The ACS1 is an amplifier and speaker cab simulator that aims to deliver the sound and feel of world-class amplifiers, complimentary speaker cabinets, and controllable room size.