Behringer DEQ2496 - wow

The Behringer is a cheap mic, lacks quality control and isn't "flat" according to the published spec's. As such, any / all of the readings that the unit processes is based on the irregular output of the mic that you're using as a reference source. You want better results, get a better mic. Otherwise, what you are trying to do with an uncalibrated, mass produced mic would be equivalent to trying to build a house using a ruler that you "think" has 12 inches to a foot, but really doesn't. Whether or not it is "close enough" will depend on how far off the calibration really is.

Other than that, these types of devices are NOT "cure-all's". They are strictly a band-aid and that's why i said that they are very handy tools. Nothing more, nothing less. One needs to get the system and room dialed in as best possible BEFORE using this type of "error correction". Using this type of approach, the results are FAR superior to just relying on the "band-aid" approach to try and heal the gaping wounds that most systems / rooms suffer from. What has to be done to the room will depend on the room dimensions, speaker placement, speaker dispersion pattern, seated listening position, etc...

Nothing is free and nothing is perfect. Anybody that tells you that a product is perfect or can solve all your problems obviously has something to sell. Sean
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I never thought the product is perfect, nor am I willing to completely rearrange my living room for the sake of perfect sound. I've already taken many steps and have acquired some very good equipment, but need to take some steps to cure some tonality issues without rearranging the room.

As far as the mic is concerned, you certainly might be correct. I do happen to have a Shure SM57 which I'll try out, although I believe since this mic is generally used for vocals, might be tilted a bit in the midrange.

Forgot to touch base on this, but the reason that they use pink noise is that it offers simultaneous full spectrum output for time-domain measurements. You can't do that nearly as quickly or effectively when using a frequency sweep. Pink noise is also a far more complex signal, which can cause the speaker & room to respond slightly differently than if it was being excited with a sweeping narrow band signal. Sean
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I would guess that the reference mic sold for the Behringer is corrected for in the RTA (that should be the way it works). That has been true of every RTA that I've used. My old standby is an Audio Control 3050A and its reference mic, a C15360. I usually use Alesis digital eq's (two to eight channels). A couple weeks ago I purchased a dBX DriveRack Studio (partly to check out how well the auto eq works) but I'm now waiting for the reference mic (dBX RTA-M) to arrive as it was on backorder. I'd recommend sticking with the mic made for the system.

Danner, you may be right. I just tried a SM57 and what happened is what I thought might happen. Since the SM57 has a somewhat tilted midrange, and not great response at the extremes, the Behringer produced a tonal curve that was severely boosted in the bass and high treble. As it stands now, I'm still trusting my ears!