High Efficiency Speaker Asylum

RE: Reply + Radio Shack SPL Meter Follow-Up

66.84.177.138

In Reply to: RE: Reply + Radio Shack SPL Meter Follow-Up posted by Gerry E. on June 30, 2009 at 08:21:42

Hi Gerry,

Subjectively, the problem I wanted to correct was an overly prominent midbass. The bass is just a bit muddy - better with the baffles elevated 8" rather than on the floor, but still muddy - and I mean more muddy than any reasonable bass-reflex box.

Putting the meter to the speaker did show some unevenness to the bass, but also, and this was somewhat surprising to me, a 3-4 dB shelf at 1.3-3 Khz or so. This, of course, is likely due more to the driver than the baffle.

As Ron pointed out, the correction network for baffle step is a broad attenuation above the step. But I'm sure what's going on here is more complex than that.

However, *they sound good*! They still sound extremely good as-is. So the priority is low.

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