Tweaking my subwoofer setup

cwall99

cwall99

Full Audioholic
So, I've been reading the articles that Gene and Clint have published on the main Audioholics site relating to subwoofer setup, and I've been tweaking my setup accordingly.

My system includes a Pioneer Elite VSX-82TXS, B&W DM603 S3s (bi-amped from the AVR) for my left and right main speakers, a B&W LCR600 S3 for the center, NHT 1.3As for the rear speakers, and an Earthquake SuperNova MKV-15 as my subwoofer (it's way bigger than what I need, but I bought a demo model from at a factory warehouse sale for $150).

I've done many of the things they've suggested in their articles (e.g. setting the X-over on the subwoofer's control at its highest point and relying on the AVR's ability to manage the Xover digitally, setting all my speakers, including the B&Ws, to Small, etc...).

I'm experimenting with one last tweak, and I thought I'd ask for members' feedback. In this article (http://www.audioholics.com/tweaks/get-good-bass/the-marriage-between-the-subwoofer-and-tower-speakers), Gene discusses moving away from the THX-recommended xover point of 80 Hz, and that's what I'm doing. My B&Ws are comfortable down to around 40 Hz, and my NHTs are rated down to 52 Hz (+/- 3 db).

This is where I'm a little bit nervous: my AVR has several set xover points. I had been using 80 Hz, but I thought that the B&Ws are a little better behaved in the region between 80 and 50 Hz than the subwoofer is. Now I've switched to using the next lowest Xover point on the AVR: 50 Hz.

My question: Am I putting my rear speakers at risk by doing this? Like I mentioned above, they're rated down to 52 Hz.

I really like the improved mid-bass with the lower crossover, but I don't want to damage my NHT speakers. And, yes, I do, especially when I have the house to myself, play music and movies loud occasionally.

Any thoughts would be appreciated. Thanks in advance.
 

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