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RE: No questions return policy

Kal's advice is excellent.

How will you integrate the subs? There are two ways: 1) If you use a preamp, you can use a second output to the subs (my preference) or 2) Use speaker wire to route to the subs and then from the sub to the speaker.

With RCA outputs, you'd run your speakers fully and then set the subs to a crossover to blend with the speakers. The speaker wire method would change the low end crossover from the speaker to blend with the sub. Personally, I prefer the preamp method and just set the subs at 80hz or slightly lower.

My main speakers fall like a rock at 80hz, so I prefer to set up the subs next to the mains to blend seamlessly which also simplifies the timing issues.

Room issues are another problem. My subs have their own DSP with a microphone and it works great, just set the subs at 80hz, run the DSP and then tweak the volume level of the subs to blend to the speakers.

For deep bass, I prefer 12" or 15" subs. Smaller subs can do a surprisingly performance, but bigger is better in my opinion. Take a look at this Subwoofer buying guide .

As to questions about Class D amps, I can't find anything that would indicate that integration is difference than any other.

-Rod


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