What Fred said. You'll also have this result if you accidentally connect to an amp channel intended to run 8 ohm speakers instead of a 70 volt distribution system. I know, it's too too obvious, but it's worth checking anyway.
Please share the solution with us.
A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
