Which amp for these Subs? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 5 Old 05-12-2019, 10:19 AM - Thread Starter
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Which amp for these Subs?

I have 4 15'' planet audio subwoofers (38cm (15") Subwoofer from the X Serie 275W RMS 400W MAX Impedancy: 4 Ohm Frequency response: 22Hz - 2,5kHz 75oz. Magnet Efficiency: 93dB @ 1w/1m 51mm Alu Voice Coil Steelbasket Cevlar Cone Depth: 159mm) and i'm using them in my garage now. I tried using the car amplifier with a power supply but it didn't work out. I'm going to use a plate amp instead and I need a solid plate amp.

This amp here is what I've been recommended: https://www.parts-express.com/bash-3...0302250a24060d

Will this amp provide sufficient power or are there better options?
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post #2 of 5 Old 05-12-2019, 10:41 AM
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That amp would be sufficient per driver. If you're trying to power each of the 2 drivers per box (2 plate amps, 1 per box), you'd want something more powerful, and can handle a 2 Ohm load.

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post #3 of 5 Old 05-12-2019, 11:03 AM - Thread Starter
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Originally Posted by smcmillan2 View Post
That amp would be sufficient per driver. If you're trying to power each of the 2 drivers per box (2 plate amps, 1 per box), you'd want something more powerful, and can handle a 2 Ohm load.
Would you have any recommendations?
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post #4 of 5 Old 05-12-2019, 06:02 PM - Thread Starter
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Originally Posted by smcmillan2 View Post
That amp would be sufficient per driver. If you're trying to power each of the 2 drivers per box (2 plate amps, 1 per box), you'd want something more powerful, and can handle a 2 Ohm load.
Would this amp be a better choice?

https://www.amazon.com/Behringer-KM7...gateway&sr=8-1
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post #5 of 5 Old 05-12-2019, 06:40 PM
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Assuming you're talking about bridging it and wiring the 2 boxes to provide a single 8 ohm load to the amp, that would work. But you would only provide each driver a maximum of 188 watts (I don't know of any pro amps that deliver what their specs say they will, so that number is more likely ~125 watts).

Plate amp manufacturers typically don't want to be in the 2 Ohm range, thus they are rare/expensive.

Your best bet would be to find a nu3000DSP. They are now out of production, their replacements being the nx3000D. Depending on your application the DSP may or may not be beneficial to you and you could potentially go with the non-DSP versions to save a few bucks.


ETA: Like this one https://www.avsforum.com/forum/209-a...e-3000dsp.html

Sub builds: Yet another Infinity 1260 build | Twins! | Modified V.B.S.S. build | UM12-22 builds | AV stand and sealed UM18s

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Last edited by smcmillan2; 05-12-2019 at 07:21 PM.
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