The A.C.E. (Analog Cabinet Emulator) is an active analog cabinet emulator designed to offer guitarists a portable and convenient way to capture the complex characteristics of a guitar speaker cabinet for a variety of recording (silent* or in a studio) and live performance applications without the use of a microphone.The A.C.E. (Analog Cabinet Emulator) is an active analog cabinet emulator designed to offer guitarists a portable and convenient way to capture the complex characteristics of a guitar speaker cabinet for a variety of recording (silent* or in a studio) and live performance applications without the use of a microphone. • Active Analog Cabinet Emulator • Multi-Stage Filtering (MSF) Cabinet Emulation (bypassable) • Unbalanced 1/4? & Balanced XLR Line Out Section • Phase and Ground Lift For XLR Output • Optimized 18-Volt Circuitry For Maximum Headroom and Dynamic Range • Compact Half Rack Enclosure * A.C.E. is not a load device. Make sure your ampli?er is connected to a suitable load (Suhr Reactive Load) or speaker cabinet when using A.C.E. to avoid damage.