On 21/04/2019 00:15, Dave Plowman (News) wrote:
In article ,
tony sayer wrote:
I can't be certain the Behringer unit is faulty. The amplifiers are home
made, and it could be some interaction I've not fathomed out.


Right!, so the crossover then goes to some home-brew amps if so what are
they and are they bal or unbal inputs?..

Balanced. Using THAT1240 ICs. The whole idea being to avoid ground loop
problems...

They have some serious CMRR.

I doubt the X/O has anything like that?