Subwoofer recommendation and wisdom


So I have a relatively difficult room 19' x 19' x 9'. I have made a bunch of sound absorbing panels which made a massive improvement. I have worked on speaker placement and landed on the 5/8 ratio......5x from the back wall, 8x from the side walls. I use Harbeth 30.1 speakers on appropriate stands, driven by a Luxman L505 xII integrated. I am very pleased with the sound but sometimes wish I had a bit more foundation on the bottom end. I will listen mostly to classic rock and jazz. I would like to consider adding a sub, but not sure where to start. I don't want sledgehammer bass, I just want a nice, blended bottom end on my music. I think that is one of the only improvements I can reasonably and cost effectively make. Looking for recommendations on a sealed sub that would have a good chance of integrating well in my room.

My preference would be for a single sub solution. Thanks
 

stuartbmw3

This is not a passing phase.
 

What is most important with Rel’s of any size is checking phase. The phase switch can be set at 0 or 180. My first humble-rumble set of Rel Quakes, even back in 2006 went far deeper when set out of phase.

Remember this simple check and never assume anything. The two Rel T9i’s l use now with the Hi level input are correct with the 0 degree (in phase) position.

@m-db The crawl is outdated and likely not something Dirac and Audyssey would recommend. One crawl does not tell you whether you are far or near target like a mic and it takes many crawls. It's just a yes/no at best. It does not tell you the frequency response, peaks and everything between. It also does not allow for multi-sub integration. You would be done sooner and get more optimal results pushing the subs using sliders and measuring. Also you won't damage your back and the couch dropping a few hundred pounds on it. Two 260lbs B&W speakers, two 60lbs B&W DB4S sub, one 180lbs SVS PB16 sub.

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I cannot compete with the technical knowledge here, but I just went through this on another thread.  For my trials I ended up with a REL T9x for a room that a little bigger and I am astounded at the ease and sound stage it brings to my room.

System is luxman 509x With Bryston Model T's  and a Benchmark Dac.

Good Luck

  Dave