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Sub In The Fireplace

Was wondering what your thoughts are on this. I currently have a Velodyne HGS 18 II, which I have tucked in my fireplace... The mains sit on either side, with their plane about 2 feet closer to the listener. The fireplace, which I obviously don't use, is pretty much in the middle of the wall. The sub fits easily with approximately 2 - 6 inches of breathing room on any given side. Being in a fireplace, the sub is surrounded by brick on 5 of its 6 sides. The house is on a slab. Is this a good thing? Am I losing anything having it there? Advantages, disadvantages? Should I consider insulating the breathing room the sub has all around it?
vectorman67

Showing 2 responses by vectorman67

vectorman67 OP
42 posts
 
Thanks for the responses... Rives, I guess I should have been more specific. But, yes, the fireplace is actual brick, and sits on the same foundation as the rest of the house which is a concrete slab. As far as the leveling jacks... are you suggesting this as a method to couple the sub to the concrete (in a sense)? Or simply as a way to cover the flue?

Sogood51, I wasn't sure if you were referring to me or not...
"I'm not sure that the center of the rear wall is the best place for a sub".

The sub is in a fireplace that is in the middle of a wall which one would face when listening to music.

And Flex, I see what you're saying... but I can't say that I've run into that same problem.
vectorman67 OP
42 posts
 
Hi Flex, sorry I neglected to mention my speakers. My mains are an older pair of full range B&W DM3000. They are not ported. The sub, as I had mentioned, is a Velodyne HGS18 II, which is also not ported.

Rives,
I like your idea of creative a very rigid positioning of the sub. I'm a bit unfamiliar with the wavelength rules your citing... e.g. 1/4 wavelength, 4.7' for 60 Hz, etc... would you mind explaining?
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