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Alpine SWR-1021D

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  • Alpine SWR-1021D

    I just ordered this sub, which is dual 2 ohm voice coils, rated at 150rms per coil. I also ordered the MTX 311D, which produces 200RMS at 2 ohms and 100 at 4 ohms. I was just second guessing using that amp to power the sub. The amp is a mono sub amp, but has 4 binding posts, I assume 1 pair for each coil for subs like this. What I'm wondering is will each terminal see a 2-ohm load or will wiring it up like that produce a 1-ohm load (somehow forcing it into parallel wiring). I know that amp cannot run a 1-ohm load.

  • #2
    Well, I just changed my order for the dual 4 ohm voice coil version and stepped up to the MTX 421D, which does 300Watts RMS at 2-ohms, should this work as well as I think it will?

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    • #3
      if u wire them in parallel the amp will "see" a 1-ohm load...not recomended... if u wire it in series the amp will "see" a 4-ohm load.

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