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<blockquote data-quote="Rob Spence" data-source="post: 4632" data-attributes="member: 80">So, for the past 6 years or so I have had a bi-amp setup for my QRX212s that has worked real well for me.I have a Sabine NAV480 that I take the 2 mains inputs and split each to a pair of outputs with all appropriate crossover, eq and delay settings.These outputs go to a QSC PLX1602 for the HF and a pair of QSC PLX3402s for the LF. Oh, the wiring is for 2 pair of QRX so, when I use the second pair, the HF just gets added to the 1602 (the power is perfect) and the second 3402 powers the LF.Well, I have had occasion to want to run 4 channels through the rig sometimes like for example a Dual PA setup, or use the second pair as stage fills etc.Since I only have 6 channels of amps in the rack, that has meant running one pair full range and rewiring in the amp rack to do it.So, I decided I would like to add 2 more amp channels. The hitch? I am outta rack space in my rack so I either need some 1U amps that can substitute for the PLX1602 or a 4 channel 2U. I am looking for 300 watts per channel at 8 ohms and compatible gain structure with the QSC amps (vs Crown).I know Powersoft and LAB have solutions but are WAY out of my price range. Used (previously broken in) is fine.Suggestions?</blockquote>

[QUOTE="Rob Spence, post: 4632, member: 80"] So, for the past 6 years or so I have had a bi-amp setup for my QRX212s that has worked real well for me. I have a Sabine NAV480 that I take the 2 mains inputs and split each to a pair of outputs with all appropriate crossover, eq and delay settings. These outputs go to a QSC PLX1602 for the HF and a pair of QSC PLX3402s for the LF. Oh, the wiring is for 2 pair of QRX so, when I use the second pair, the HF just gets added to the 1602 (the power is perfect) and the second 3402 powers the LF. Well, I have had occasion to want to run 4 channels through the rig sometimes like for example a Dual PA setup, or use the second pair as stage fills etc. Since I only have 6 channels of amps in the rack, that has meant running one pair full range and rewiring in the amp rack to do it. So, I decided I would like to add 2 more amp channels. The hitch? I am outta rack space in my rack so I either need some 1U amps that can substitute for the PLX1602 or a 4 channel 2U. I am looking for 300 watts per channel at 8 ohms and compatible gain structure with the QSC amps (vs Crown). I know Powersoft and LAB have solutions but are WAY out of my price range. Used (previously broken in) is fine. Suggestions? [/QUOTE]

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