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  1. Replies
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    Sorry for the confusion!! I will continue in...

    Sorry for the confusion!!
    I will continue in your large format comp thread: http://www.audioheritage.org/vbulletin/showthread.php?42373-Large-Format-Compression-Driver-Listening-Impressions
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    Amazing work Rob! Have you had a chance to...

    Amazing work Rob!
    Have you had a chance to compare the 2453 with the 2450SL sonically?
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    Yes it looks like it has much more output, which...

    Yes it looks like it has much more output, which is a really good thing.
    But on the other hand it is difficult to get accurate measurements in the stop band with a horn as so much parameters come...
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    According to yours and JBL's measurements, both...

    According to yours and JBL's measurements, both voltage curves should show the same thing, and make their respective driver reach the LR 36dB/oct target within a few dBs.

    I included the protection...
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    Rob, could the 1.6kHz and 3.2kHz notch also be...

    Rob, could the 1.6kHz and 3.2kHz notch also be done in the passive filter?
    It looks like the 476Mg would also benefit of these, together with a broad and gentle boost in the 2k-5k range

    There...
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    476Mg vs D2430K voltage drive for the same 800Hz...

    476Mg vs D2430K voltage drive for the same 800Hz 36dB/oct Linkwitz-Riley acoustical target :hmm:

    67204
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    Something interesting is that to obtain the same...

    Something interesting is that to obtain the same 36dB/oct LR acoustical target the 476Mg requires a 18dB/oct electrical filter, whereas the D2430K requires a 6dB/oct electrical filter.
    That tells a...
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    Interesting! So same "problem" with the phasing...

    Interesting!
    So same "problem" with the phasing plug and horn throat interaction in the UHF.
    Maybe you could try adding a little tube like in the the 2432, using something like a 1" MDF plate?
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    So you are going to build a passive M2? That...

    So you are going to build a passive M2?
    That together with Mr Widget's cabinet design, JBL consumer will have some inspiration to draw from you guys :)
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    Impressive job and great result so far! What...

    Impressive job and great result so far!
    What crossover frequency and slope are you considering?
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