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Subwoofer guys - House curve or flat?

So there's a bit of debate about whether a "house curve" should be used instead of EQing your sub for a perfectly flat response. My thoughts are adding a house curve could possibly muddy up the midrange and I like it how I have set up now (perfectly flat) Is this true? Anyone do any experimenting?

Here's a lot of information from the home theater guys on why you should "shelf" response.
nemesis1218

Showing 2 responses by martykl

martykl
3,578 posts
 
Nemesis

I filter subsonics because the odds are very very low that any such info is deliberately "on the recording". I don't need to hear the subway that happened by or,more likely, mechanical noise from my source (rumble)

I understand that some purists may disagree

Bob,

I use RTA to measure in-room response on-axis at the listening position
There are any number of devices out there for this purpose - or variations therein

Marty
martykl
3,578 posts
 
Start with perfectly flat response and experiment with incremental adjustments toward your choice of target curves.

I ended up with a perfectly flat curve to 35hz and a gentle rise (+2-3db) down to 25hz, followed by a steep "subsonic" roll off. The difference between this and flat to 25 hz is rarely perceptible, but occassionally manifests as either a) slightly larger sense of the recording space or b) gently vibrating coffee table.

Marty

PS IME, response below 25hz will yield nothing beneficial for any program material in my music collection.
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