The Acoustic Imagery Atsah power amplifiers are rated at 400 Watts per mono chassis and carry a list price of $8995 per pair. Besides a power rating that would be a good fit in a system of any size, the amplifiers have a signal-to-noise ratio of 128 dB, which means they can be expected to add very little of their own character to the musical signal passing through. Let’s see if this assumption is true.
