Can anyone tell me how to bridge two mono amps together to make a single more powerful amp. I have two Adcom GFA-565 monoblocks. I want to get two more and use two per side for the woofer towers of my Infinity Beta speakers. The woofer controller has plus and minus phase outputs.
I had the Beta towers and tried all sorts of amplification for the bass. The best I found was a QSC M3000. Less than $1000. Much more punch than either Bryston or Krell.
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