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<blockquote data-quote="Rob Spence" data-source="post: 13183" data-attributes="member: 80">So, I am feeling math challenged this morning despite the coffee so am asking for some help. I drive my QRX212 HF (bi-amped) with one channel of a QSC PLX1602. I have my DSP set up for this. I need 2 more channels of amp in the rack with no available space. I am considering the Behringer 4 ch amp as a solution but am trying to figure out the DSP gain changes I need to make for the substitution. The specs as I could find them...The PLX1602 Voltage gain = 40x (32dB)Input sensitivity, V RMSFull rated power at 8 ohms = 1.2v (+3.9 dBu) = 300wFull rated power at 4 ohms = 1.1v (+3.2 dBu) = 500wThe INuke NU4-6000 (4 ch mono mode)Max rated power at 8 ohms = 440wMax rated power at 4 ohms = 860wInput sensitivity for rated power into 4 ohms = 0.775 V (0 dBu)Any help would be appreciated.&nbsp; Sent from my iPad&nbsp; HD</blockquote>

[QUOTE="Rob Spence, post: 13183, member: 80"] So, I am feeling math challenged this morning despite the coffee so am asking for some help. I drive my QRX212 HF (bi-amped) with one channel of a QSC PLX1602. I have my DSP set up for this. I need 2 more channels of amp in the rack with no available space. I am considering the Behringer 4 ch amp as a solution but am trying to figure out the DSP gain changes I need to make for the substitution. The specs as I could find them... The PLX1602 Voltage gain = 40x (32dB) Input sensitivity, V RMS Full rated power at 8 ohms = 1.2v (+3.9 dBu) = 300w Full rated power at 4 ohms = 1.1v (+3.2 dBu) = 500w The INuke NU4-6000 (4 ch mono mode) Max rated power at 8 ohms = 440w Max rated power at 4 ohms = 860w Input sensitivity for rated power into 4 ohms = 0.775 V (0 dBu) Any help would be appreciated. Sent from my iPad HD [/QUOTE]

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