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Nephila x JJ Audio Speaker Build

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  • #16
    Originally posted by Derekj View Post

    Where abouts in BC do you live - i'm in Squamish.
    Van

    Squamton eh? That's really nice. Spend most of my summers trying to climb up rocks and biking down hills round there :p

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    • #17
      Hey Wolf ,

      I have a very faint hissing sound when I play a 1kHz test tone coming from the ribbons. It's the exact same from both speakers, so could rule out the connections on the xo. Have you experienced this at all?

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      • #18
        The xover of the AMT is at 3.4k, so it should be well attenuated by then in the AMT. I guess I don't know of this actually being a problem, or that it would even need resolved. Why would you play a 1kHz tone anyway?

        Later,
        Wolf
        "Wolf, you shall now be known as "King of the Zip ties." -Pete00t
        "Wolf and speakers equivalent to Picasso and 'Blue'" -dantheman
        "He is a true ambassador for this forum and speaker DIY in general." -Ed Froste
        "We're all in this together, so keep your stick on the ice!" - Red Green aka Steve Smith

        *InDIYana event website*

        Photobucket pages:
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        My blog/writeups/thoughts here at PE:
        http://techtalk.parts-express.com/blog.php?u=4102

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        • #19
          Originally posted by Wolf View Post
          The xover of the AMT is at 3.4k, so it should be well attenuated by then in the AMT. I guess I don't know of this actually being a problem, or that it would even need resolved. Why would you play a 1kHz tone anyway?

          Later,
          Wolf
          I played a variety of frequencies to try pick out why there is a slight dip in volume at +75 db and both high and low freq extensions of a song kick (I hope I explained that clearly, otherwise I can try again ). I have a feeling it is the amplifier or power supply. It was during this test that I noticed the slight hissing from the AMT's at 1kHz. I agree with you, shouldn't be anything there at 1kHz based on the xover design.

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          • #20
            Originally posted by MrGarison View Post

            Van

            Squamton eh? That's really nice. Spend most of my summers trying to climb up rocks and biking down hills round there :p
            Survive the storm today? It was a good one
            See my projects on Instagram and Facebook

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            • #21
              Originally posted by Derekj View Post

              Survive the storm today? It was a good one
              Yea, was in white rock on highway 1 right as God passed gas

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