All I can get from James Loudspeaker tech support is "the amp basically hits a brick wall at 23 Hz" and it's "over 500 w/p/c into 4 ohms"
I do not know how to take the thing apart, it looks like a rack mount that is riveted together or I would show the insides.
Forgot how to post pictures-
![Huh Huh](https://www.decware.com/yabbfiles/Templates/Forum/default/huh.gif)
:-[
Ray
sell em and get new amps.