Quote Originally Posted by Bruce Watson View Post
Accuracy. Servo systems use active feedback. What that means to a subwoofer is that the sub's circuitry looks at the input coming to the sub from your signal source, then it also measures what the sub actually does (cone travel) in real-time. The difference between the two (the error signal) is then fed back into the control logic to correct the physical behavior of the cone so that it matches the input signal. So what your source asks for is what you get. Exactly.

What it means for your system is that servo subs are typically easier to integrate with your other speakers. Makes the result feel seamless, as if your other speakers all reach down to 20 Hz themselves. It also means less distortion, particularly at high levels.

So... more accurate, therefore cleaner, with less distortion.
I thought the servo just let you have more output for less power.

In which case, would the extra 125W from the S1500 compensate for this? (600W in the Rythmik, 725W in the PSA)