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First trial-XO for RFL-3way, Mid-Tw unit

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  • First trial-XO for RFL-3way, Mid-Tw unit

    Hello,

    I decided to go for a "manual" delta-AC measuremet (ruler) and came up to abt 0,6" delta.

    Based on this, I attach my first attept on a 2nd/3rd XO at 2500 Hz.

    Please feel free to comment on this! (scroll sideways so the XO can be seen)

    Best regards//lasse


    First try 191004.JPG



    Click image for larger version  Name:	First try 191004.JPG Views:	2 Size:	215.0 KB ID:	1389638
    Attached Files
    Perry Mason talking to his dentist:

    "Do you swear to take the tooth, the whole tooth and nothing but the tooth, so help you God?"

  • #2
    The woofer is fighting the tweeter around 5k (and your Z bottoms out there). I'd try to get that 5k "shelf" pushed down a bit more (tank cap across .60mH coil?).

    Comment


    • #3
      Originally posted by Chris Roemer View Post
      The woofer is fighting the tweeter around 5k (and your Z bottoms out there). I'd try to get that 5k "shelf" pushed down a bit more (tank cap across .60mH coil?).
      I think these guys are messing with us. I can't make out anything but zeroes at that coil value. I like to see values, but lately they are too small even with a magnifier in several threads.

      Comment


      • #4
        Originally posted by rpb View Post

        I think these guys are messing with us. I can't make out anything but zeroes at that coil value. I like to see values, but lately they are too small even with a magnifier in several threads.
        OOps,

        perhaps the is a loss in transmission across the Atlantic or some other trouble with the Picture?

        Anyway, I attach a larger Picture of the first iteration of the XO for your comments,.

        Best regards//lasse


        Click image for larger version

Name:	XO first try.JPG
Views:	16
Size:	22.0 KB
ID:	1389666
        Attached Files
        Perry Mason talking to his dentist:

        "Do you swear to take the tooth, the whole tooth and nothing but the tooth, so help you God?"

        Comment


        • #5
          Looks like you are using the close mic frd for the midrange driver. That will change drastically when you measure from 1 meter.

          Comment

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