I've been working in a club recently that has a pair of Ramsdell Audio 660R subs (http://www.ramsdellproaudio.com/products/subs/660r.htm). The rest of the system is mine, consisting of JBL MRX512m's for tops and monitors (drum monitor is a JBL VRX915). Currently I'm powering the monitors with a pair of QSC PLX 1602's, one cab per side. The subs are running off of a PLX 2402, also one cab per side. The tops run off of a PLX 3002. I also have an additional 2402 that is currently unused. This configuration is plenty loud and clear for the FOH. My concern is that the monitors may be a bit on the weak side before feedback sets in. I have to crank them pretty hard sometimes to be heard clearly. What I'm considering is rearranging things so that the monitors run off of the pair of 2402's, and the subs run off of the 1602's in bridged mono one cab per amp. This would bump my available power from 300 to 425 watts/channel on the monitors at 8 ohms. It would also bump the subs from 800 to 1600 wpc at 4 ohms. Would this give me any benefit regarding increased monitor volume at lower gain, thereby reducing feedback? Or would there not be enough difference to be worth the trouble? Or am I just inviting calamity?
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