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Massive Audio NX4 - protect mode when ran pretty hard.
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<blockquote data-quote="olds97_lss" data-source="post: 7510610" data-attributes="member: 621499"><p>For now, I adjusted the gains by ear. Turned my HU up to 75%, played the 100hz, 1000hz audio and adjusted from low to high until I heard distortion/clipping with either frequency, then backed the gains down a hair. Now... it just isn't loud enough to suit me. But I know if I push the amp much harder, it will be maxing it out and thermal on me again.</p><p></p><p>Since I like the size of the amp and realizing that without spending another decent chunk of $ for an amp that puts out at least 150W RMS for 4 channels, I'm thinking of an alternate approach of just getting another MA amp and bridge the 4 channel to 2 (200W RMS x 2 @ 4 ohm). That said, I don't want to have to buy more cable and have 0/1AWG power wire installed, which I think I'd have to do to run two NX4's bridged. So, I'm thinking of getting an NX2 (120W RMS x 2 @ 4ohm) for my fronts and bridging the NX4 for the rears. Then I'd have nearly twice the max RMS rating for my front and exactly twice the max RMS for the rears. That should give me plenty of power to drive the speakers, but yet keep amp temps/clipping well within safe ranges at a volume I want.</p><p></p><p>I may try this approach, but use my kenwood (bridged, 140W RMS x 2 @ 4 ohms) for my fronts and the NX4 for the rears just to see how it sounds and how it does before I spend more $ on another MA amp.</p></blockquote><p></p>
[QUOTE="olds97_lss, post: 7510610, member: 621499"] For now, I adjusted the gains by ear. Turned my HU up to 75%, played the 100hz, 1000hz audio and adjusted from low to high until I heard distortion/clipping with either frequency, then backed the gains down a hair. Now... it just isn't loud enough to suit me. But I know if I push the amp much harder, it will be maxing it out and thermal on me again. Since I like the size of the amp and realizing that without spending another decent chunk of $ for an amp that puts out at least 150W RMS for 4 channels, I'm thinking of an alternate approach of just getting another MA amp and bridge the 4 channel to 2 (200W RMS x 2 @ 4 ohm). That said, I don't want to have to buy more cable and have 0/1AWG power wire installed, which I think I'd have to do to run two NX4's bridged. So, I'm thinking of getting an NX2 (120W RMS x 2 @ 4ohm) for my fronts and bridging the NX4 for the rears. Then I'd have nearly twice the max RMS rating for my front and exactly twice the max RMS for the rears. That should give me plenty of power to drive the speakers, but yet keep amp temps/clipping well within safe ranges at a volume I want. I may try this approach, but use my kenwood (bridged, 140W RMS x 2 @ 4 ohms) for my fronts and the NX4 for the rears just to see how it sounds and how it does before I spend more $ on another MA amp. [/QUOTE]
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Massive Audio NX4 - protect mode when ran pretty hard.
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