I did that once with a pair of Eminent Technology LFT 8As. I used a pair of Kenergitics KBA 75 amps which were rated at 75 class a per side but benched out at 130 per side. So the power per side now was 260 watts. The ETs were power hungry speakers so the extra power worked well. Since you are condsidering doing this if the speakers are set up for bi-wire with 4 inputs you could do a Vertical Bi Amp. You would have to run one side of the stereo signal from the preamp in to both sides of one amp. The amps have to match each other exactly or you will mess up the sound. You can do this by have a good "Y" interconnect made up that has one end at the pre amp side and 2 at the amp side. I got a pair made up for 400 bucks from AudioParts in FL, Stu Wein will do it and use good wire. Anyway this way you use the full capacity of the amps and they are matched so you will not have any matching problems between highs and lows on each channel. I think what you will find is higher power, greater separation which may help other things in your system. The only way to find out is to try it out. Good luck.
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