Parasound Halo A52+ 5 Channel Power Amplifier
Halo Series A-52+ 5 Channel Power Amplifier Solid power for surround sound Parasound's Halo A 52+ power amp can drive a full complement of five home theater speakers with authority. This multi-channel powerhouse delivers 180 watts per channel with all five channels driven, and it's stable at low impedances, so it's compatible with a wide range of speakers. It offers three power-up options: manual, signal-sensing, and 12-volt trigger. And it was designed to exacting specifications by Parasound's in-house audio guru John Curl. Class A/AB operation for smoother sound The A 52+ uses a Class A/AB power circuit. You don't see an amplifier described that way every day, so let's break down the benefits. Engineers and audiophiles generally agree that Class A designs offer the purest sound, but they tend to run hot and take up a lot of space. As a result, home audio amplifiers often use a compromise known as Class AB, which hands off part of the audio signal to a different set of output transis