ROG is agreeing with me now even BEFORE I post...

The Bogen system is most likely using 25V or 75V Lines to the many speakers. Look behind one of the speakers and you'll likely see a transformer at each speaker. That is how they can attach so many speakers without worrying about Impedance issues.

You can also look at the back of the Bogen amps to sede which connections are being used for the speakers.

Again, it will most likely be either "25V" or "70V" line, although it *may* be the 100V line, which is not as common.

Replace the amps with either more Bogen or one of the import amps that feature the correct voltage output.

Don't see why he would even need a mixer, but if he does, any good mixer can be connected to one of the Line Inputs of the proper amps.

This is really a job for a commercial installation type person as it falls way outside the type of systems that bands use and know.


--Mac

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