[MichaelHiFi]

Looking at the settings shown on the Rythmic amp, the Delay/Phase crossover volume setting in photo shows ~80Hz. Does that imply that when I'm setting an ~80Hz crossover point thus limiting the servo's to 80Hz and below?

Reason I ask is that I was under the impression that the subs play to 200Hz. The range is from 25Hz to 120Hz. Kind of confusing to me anyway. 

I'm really needing to build those extension cables so that could play with these settings from the couch. 

[Danny Richie]

Electrical crossover or even numbers on the dial to not always equate to acoustic output. And keep in mind that you want to cross one driver (or pair of drivers) over to another where they are both 6db down.

The H frame and shelving circuit added to the amp also change the acoustic output.

So to cross the subs over in the 200Hz range (-6db down point) then the dial may read 80 to 90Hz.