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  • #1

    OmniMic Calibration Announcement

    Have your OmniMic custom calibrated for only the cost to ship it to the Dayton Audio Calibration Department!


    IMPORTANT NOTE:

    If your OmniMic has an ALPHANUMERIC serial number, it qualifies for the offer below.     If your OmniMic has a full NUMERIC serial number, it has already been calibrated and the calibration text file is available to you from the link below.

    Send your OmniMic to:
    Dayton Audio Attn: Calibration Department, 705 Pleasant Valley Drive, Springboro, Ohio 45066

    Your OmniMic will be calibrated and a txt file created that you will be able to download from the link below. You will be informed via email when your OmniMic has been calibrated and on its way back to you. Please include your name, shipping address, daytime phone number, and email address with your OmniMic. Please allow 7-10 days for calibration and return shipping. Calibration and return shipping are at no charge.

    A unique serialized calibration .txt file will be available for your OmniMic. Once you receive your microphone, click Calibrate OmniMic where you will be prompted to enter the serial number found on the base of your calibrated OmniMic. After entering the serial number, your unique calibration .txt file will be available for you to download.


    .
    Tags: calibration, omnimic
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  • #2
    Re: OmniMic Calibration Announcement

    Just to clarify...

    When used in conjunction with the OM software, the cal file is 'built in', correct?

    I'm assuming this is just for a service which provides a text file to be used with any other program as a cal file for the mic to be used in conjunction with (ie: load the txt file in to TrueRTA and use the OM). I have noticed a way to export the cal file via .frd and have tried that with no success on TrueRTA; it just freezes up True and shuts it down.


    If I'm wrong here in my assumption, I'm really a bit confused. I thought the OM was calibrated already.


    Looking forward to a bit more clarification as to what/why this is being offered since I own an alphanumeric mic and may need to send mine in depending on your reply.

    Thanks,
    Erin
    ErinsAudioCorner.com

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    • #3
      Re: OmniMic Calibration Announcement

      Originally posted by ErinH View Post
      Looking forward to a bit more clarification as to what/why this is being offered
      I'm assuming that the full calibration curve will be importable to other software (like REW) . . . making the mic itself more generally useful. Mine's already on its way back, based on that assumption. It will also make it easier to compare/cross-calibrate with my Behringer . . .
      "It suggests that there is something that is happening in the real system that is not quite captured in the models."

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      • #4
        Re: OmniMic Calibration Announcement

        I ate same as well but like I said above, I can export the frd file as it is. I've yet to try to use that file with another program. So, maybe the text file is the difference?
        But surely not. Can't you just reassign the frd as txt or pull the info from it and save on text pad?


        That's why I'm asking for clarification.
        ErinsAudioCorner.com

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        • #5
          Re: OmniMic Calibration Announcement

          Originally posted by ErinH View Post
          Can't you just reassign the frd as txt or pull the info from it and save on text pad?
          The answer has to be that it's not the same, or they wouldn't be doing what they are doing. I'm not going to speculate, I'm going to be thankful for the great support for an already great product.

          I don't see any downside to letting them re-calibrate it. Easily worth the 12 bucks postage.
          "It suggests that there is something that is happening in the real system that is not quite captured in the models."

          Comment

          • #6
            Re: OmniMic Calibration Announcement

            Originally posted by Deward Hastings View Post
            The answer has to be that it's not the same, or they wouldn't be doing what they are doing. I'm not going to speculate, I'm going to be thankful for the great support for an already great product.

            I don't see any downside to letting them re-calibrate it. Easily worth the 12 bucks postage.
            Are you insinuating that me asking exactly what the reason for this calibration service is for is me being ungrateful? Seriously?....

            I just want to be informed.

            I'll wait for an authorized answer. You and I have speculated enough. ;)
            ErinsAudioCorner.com

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            • #7
              Re: OmniMic Calibration Announcement

              Originally posted by ErinH View Post
              Are you insinuating
              No. Didn't say, or "insinuate", a thing about you . . .
              "It suggests that there is something that is happening in the real system that is not quite captured in the models."

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              • #8
                Re: OmniMic Calibration Announcement

                Originally posted by Deward Hastings View Post
                No. Didn't say, or "insinuate", a thing about you . . .
                Just the way it read.
                ErinsAudioCorner.com

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                • #9
                  Re: OmniMic Calibration Announcement

                  I sent mine back this morning. It is currently OOS from PE. Any insights on when OmniMic will be available again?

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                  • #10
                    Re: OmniMic Calibration Announcement

                    Originally posted by ErinH View Post
                    ...I'm really a bit confused. I thought the OM was calibrated already.
                    My OM was way off and after talking with Bill Waslo, it was determined that my OM was defective. PE is offering the service to re-calibrate your OM and provide a file based calibration file vs. a code based. Also, I think the FR has been extended to 5Hz with the new calibration at PE.

                    I was under the impression this was for peace of mind to all of the existing customers and not intended to allow you to use the OM with other software.

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                    • #11
                      Re: OmniMic Calibration Announcement

                      Got mine back today . . . a couple days over two weeks turnaround including USPS from me and FedEx back (delivered on Saturday at that). No complaint there.

                      Loaded the software upgrade (3.10) and the calibration file . . . all easy as can be. No complaint there.

                      Can't say it's any better as a practical matter (I'm never going to measure anything down to 5 Hz.), but it's a definite confidence builder. And there are those new "features" to try. No complaint there.

                      Pretty much a no-brainer for anyone with one of the earlier (Type 1) OmniMics . . .

                      Thanks PE and Bill . . . great product, great support.
                      "It suggests that there is something that is happening in the real system that is not quite captured in the models."

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                      • #12
                        Re: OmniMic Calibration - How much difference does it make?

                        I have received me mic back - very fast turn-around from PE, I highely recommend the service - and I have loaded the newest version of the software, and burned a new test disc as well.

                        So, how much difference does this calibration make? Out of curiosity, and a concern for things I have already measured, I decided to see.

                        My test speaker is the RS28F tweeter on a foam baffle with the mic about 1 foot away. The hump and dip seen in the graph are effects from this baffle. However, they don't really mean anything, what I am looking for here is a difference between the twp lines.

                        During this test I used the same track, and never changed the volume level on the amp, nor did I move the mic or speaker. All I did was change between calibration settings between the two tests, then lay them over each other. Here is what I got:


                        The blue line is the original alpha-numeric calibration and the red line is using the new calibration file for my mic. As you can see there are some differences. They don't exceed much over 1dB, but they are a bit different. I thought I would post this for information purposes, for those who may have wondered about this.

                        Jeff B.
                        Click here for Jeff Bagby's Loudspeaker Design Software

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                        • #13
                          Re: OmniMic Calibration Announcement

                          thank you jeff. mine is also alphanumeric. early addition. perhaps i should send it in too.
                          " To me, the soundstage presentation is more about phase and distortion and less about size. However, when you talk about bass extension, there's no replacement for displacement". Tyger23. 4.2015

                          Quote Originally Posted by hongrn. Oct 2014
                          Do you realize that being an American is like winning the biggest jackpot ever??

                          http://www.midwestaudioclub.com/spot...owell-simpson/
                          http://s413.photobucket.com/albums/pp216/arlis/

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                          • #14
                            Re: OmniMic Calibration Announcement

                            rich, if i bring it to pe, can someone calibrate it while i wait?
                            " To me, the soundstage presentation is more about phase and distortion and less about size. However, when you talk about bass extension, there's no replacement for displacement". Tyger23. 4.2015

                            Quote Originally Posted by hongrn. Oct 2014
                            Do you realize that being an American is like winning the biggest jackpot ever??

                            http://www.midwestaudioclub.com/spot...owell-simpson/
                            http://s413.photobucket.com/albums/pp216/arlis/

                            Comment

                            • #15
                              Re: OmniMic Calibration Announcement

                              Arlis,

                              Not to answer for Rich -- but I doubt they could do that. The calibration at PE is done by one engineer there who has lots of other duties (including design of some of the woofers), and he also usually does calibrations on the weekends when the facility is more quiet. It isn't easy calibrating to low frequencies when there is conveyer noise.
                              Free & Free-form simulator/designer for Passive Crossovers
                              SynergyCalc 5: design spreadsheet for Wooden horns and DIY Synergy Waveguides
                              Super easy and cheap to make high performance sound diffusers

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