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  1. Did you replace the passive with a line level...

    Did you replace the passive with a line level crossover? If so, the horn will be vastly more efficient. It should be on the order of 12+dB lower amp level than the woofer. The passive XOs have a...
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    The heat will increase resistance. If there's...

    The heat will increase resistance. If there's ever doubt, overspec.
  3. Time alignment between the 10" and 18" shouldn't...

    Time alignment between the 10" and 18" shouldn't be a significant issue, what's the XO point? The bigger concern is the reflection from the top of the 18" enclosure, that's what's causing the...
  4. Thread: Woofer Clamps

    by badman
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    19
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    1,974

    Inserts should be secured

    There are few things more frustrating than when a spiked insert backs out of the wood when unscrewing the driver fastener. They can be secured a few ways- a block of wood behind them, staples on the...
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    Generally I put the gasket on the cabinet, but it...

    Generally I put the gasket on the cabinet, but it can work fine either way.
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    Because it's a highly compliant material and will...

    Because it's a highly compliant material and will be clamped between rigid surfaces, a little bunching as it's shaped into the circle isn't a big deal. You want to use the lower-density stuff, not...
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    Absolutely gorgeous. You are an excellent...

    Absolutely gorgeous. You are an excellent craftsman and should carry a little extra pride around with you for the rest of your life. A big job done right.
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    Sorry, conical? It should be a flat ring shape?

    Sorry, conical? It should be a flat ring shape?
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    Thin weatherseal foam tape works just fine too.

    Thin weatherseal foam tape works just fine too.
  10. You may be doing that very human thing of...

    You may be doing that very human thing of "new"="improved". It's very common in this hobby to hear a change as an improvement by default, which is part of why people seem to always upgrade over and...
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    Class D is nothing to shy away from, modern...

    Class D is nothing to shy away from, modern implementations can be some of the best amps in-market. Hypex NCore is top-shelf, for example, but most class D is head and shoulders above some of the...
  12. Dead thread but wanted to comment here

    Reviving a Zombie Thread since this is some of the most lucid thinking I've seen on the subjects. Great stuff guys.

    I am reintegrating some DSP, specifically a DBX Venu360, into my rig. The...
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    And so it was, that Hoffman and his iron law were...

    And so it was, that Hoffman and his iron law were defeated by that boingiest of materials, rubber. And yea the people rejoiced, for subwoofers now could be built without boxes like sealed midranges....
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    Regular wood glue should be fine (I believe the...

    Regular wood glue should be fine (I believe the port tubes are cardboard), or epoxy (if plastic), just make sure the surfaces aren't smooth/sealed, so that the glue has something to grab (rough the...
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    Those look interesting, I wonder if one could add...

    Those look interesting, I wonder if one could add absorption on the "petals" to smooth the horn cutoff with them, but the smaller cabinet requirement is nice since the more popular brothers take...
  16. If you want phenolic, these phragms are supposed...

    If you want phenolic, these phragms are supposed to fit, though they take more care in setup (missing alignment pin slots as I understand). Definitely will need a supertweeter with phenolic. I'm...
  17. I'd vote for the radians for home use, if you can...

    I'd vote for the radians for home use, if you can tweak the XO etc. to suit.
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    For home use, 120 is okay, though I definitely...

    For home use, 120 is okay, though I definitely think you're oversizing the box and venting it, given that you have a true woofer beneath, is a waste that only serves to make the crossover harder to...
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    Certainly. There are some executions with...

    Certainly. There are some executions with small-flange domes that work with smaller midwoofs, but it takes a solid neo-motored, high-output dome and they're less common than one might think. Why...
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    The center to center spacing is a challenge, as...

    The center to center spacing is a challenge, as is a horn small enough but with a big enough driver to keep the XO low. One alternative is to use dual woofers above and below the horn but with some...
  21. Nice! Cool experimentation! Looking forward to...

    Nice! Cool experimentation! Looking forward to when you get a chance to play. I suspect one of the narrower angles will sound better, but that's to be seen. With all that variance available to...
  22. Cool, I look forward to your experimentation....

    Cool, I look forward to your experimentation. Regarding measurement- I use and like the Dayton Omnimic setup (it's quite straightforward, requires minimal equipment, and is powerful enough for almost...
  23. Hi Todd: I strongly suggest trying the wings-...

    Hi Todd:

    I strongly suggest trying the wings- they add a lot of support to the lower frequency range of the driver, and smooth response. I'd also suggest you figure out a way to round the back...
  24. Thread: Adding Bracing

    by badman
    Replies
    5
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    962

    The most important thing is to cross-connect...

    The most important thing is to cross-connect panels. Many people try to add bracing by adding braces that only really add thickness- rib type "bracing". You want opposing panels (left and right...
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    Sounds good to me! For now, I'll probably reach...

    Sounds good to me! For now, I'll probably reach out in the next week or two to some of the newly-identified locals to host a casual meeting at my house, I have a pretty good setup for running...
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