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Flex Your PCD Mettle:

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  • JoMoCo
    replied
    Re: Flex Your PCD Mettle:

    Originally posted by NEO Dan View Post
    He is active at AK
    Zilch has been inactive at AudioKarma since 12/30 also...anybody heard from him since then or have the ability to stop by the Zilchlab?

    Really just want to know if we can help in any way...if needed.

    Jon

    http://www.audiokarma.org/forums/sho...d.php?t=346924

    Leave a comment:


  • edlafontaine
    replied
    Re: Flex Your PCD Mettle:

    Peace to you Zilch.

    Active x-over

    One of the facets of Zilch's work is the ability to bi-amp through the passive crossover. He set it up that way.

    Hence, going active is less of an issue than might first be apparent. ;)

    Leave a comment:


  • dantheman
    replied
    Re: Flex Your PCD Mettle:

    The further the measuring distance the better. You want a far field measurement--a couple times the wavelength in question. Obviously that's not possible for very deep.

    Dan

    Leave a comment:


  • muzikal-jrne
    replied
    Re: Flex Your PCD Mettle:

    Why does Zilch use 44" distance when he takes his measurements instead of 1 meter (39.4") ?

    Leave a comment:


  • stgdz
    replied
    Re: Flex Your PCD Mettle:

    yeah I saw wayne P's post a couple of pages back,

    Godspeed Z-man!

    Leave a comment:


  • NEO Dan
    replied
    Re: Flex Your PCD Mettle:

    :( aside from taking a break there appears to be other concerns for the Z ATM :(

    Leave a comment:


  • Erich H
    replied
    Re: Flex Your PCD Mettle:

    Originally posted by NEO Dan View Post
    He is active at AK
    Good to know. I don't check that site out very often.

    So he's just avoiding all of us!! :D :D :D

    Leave a comment:


  • NEO Dan
    replied
    Re: Flex Your PCD Mettle:

    He is active at AK

    Leave a comment:


  • Erich H
    replied
    Re: Flex Your PCD Mettle:

    Originally posted by stgdz View Post
    come back zlich we miss you.
    I agree, it's been quite a while since he's posted anywhere. I've sent him a few emails about the prototype waveguides but haven't heard back. He's usually pretty quick with responses.

    Hopefully he's doing okay and just took some time off from the 'interwebs' to get other stuff done. I'd make a quick call if I knew his number.

    Leave a comment:


  • penngray
    replied
    Re: Flex Your PCD Mettle:

    Originally posted by ontariomaximus View Post
    The passive crossover is pretty critical in all these designs. I wouldn't recommend going active.

    http://techtalk.parts-express.com/sh...79#post1626379
    Why??

    Active removes so many issues that handcuff passive designs.

    The design behind the passive crossover is critical to the design NOT the passive crossovers themselves. All my QSC builds are active and not passive.

    Leave a comment:


  • stgdz
    replied
    Re: Flex Your PCD Mettle:

    come back zlich we miss you.

    Leave a comment:


  • lennon_68
    replied
    Re: Flex Your PCD Mettle:

    Originally posted by donprice View Post
    The eWave mega-thread at AudioKarma has info on using active crossovers. Search the thread for DCX2496 and you might find it pretty quickly.
    Thanks! I'll have to look that up

    Leave a comment:


  • donprice
    replied
    Re: Flex Your PCD Mettle:

    The eWave mega-thread at AudioKarma has info on using active crossovers. Search the thread for DCX2496 and you might find it pretty quickly.

    Leave a comment:


  • lennon_68
    replied
    Re: Flex Your PCD Mettle:

    Originally posted by ontariomaximus View Post
    The passive crossover is pretty critical in all these designs. I wouldn't recommend going active.

    http://techtalk.parts-express.com/sh...79#post1626379
    Thanks! Any input into why active isn't recommended? Now that I look at the XO's I see the one on page 4 is pretty much the same as the 5 component one Pete posted on page 2. I could probably skip the L-Pad and use the DCX to shape the response - I guess that would only be around $50 in parts.

    The problem is I'd like to try to cross a bit lower than this since I'm using a 15" instead of the 12" the Deluxe uses - the vertical window will be even smaller :o

    Leave a comment:


  • ontariomaximus
    replied
    Re: Flex Your PCD Mettle:

    The passive crossover is pretty critical in all these designs. I wouldn't recommend going active.

    http://techtalk.parts-express.com/sh...79#post1626379

    Leave a comment:

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