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  1. If the direct mode sounds vastly better you need...

    If the direct mode sounds vastly better you need a better solution than the yamaha. Heils are not at all inherently harsh once they've been smoothed out from a frequency response perspective.
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    There have been several notable uses of...

    There have been several notable uses of decoupled, Linkwitz (RIP) has some work on his site, KEF, and several others. Many believe (and have measured) that the tiny movements of the driver frame as...
  3. When you say mechanically do you mean the...

    When you say mechanically do you mean the addition of compression and diffraction? The reduction in "throat" area may make for some increase in effective mass, and the triangle "wedgie" is a...
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    I visited the current ESS factory some years...

    I visited the current ESS factory some years back. The diaphragms are difficult to make and are actually folded manually, but the current generation of diaphragms seems to have pretty good QC. ...
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    Take a lot of care masking the moving bits- you...

    Take a lot of care masking the moving bits- you don't want solvents anywhere near the cone or surround or spider or former. Even after the paint dries, give it a few more hours to outgas before...
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    Absolutely gorgeous. Nice joining on the veneer.

    Absolutely gorgeous. Nice joining on the veneer.
  7. I use and highly recommend the DBX Venu 360. ...

    I use and highly recommend the DBX Venu 360. It's feature rich, powerful, and configurable.

    http://www.proaudiostar.com/dbx-driverack-venu360.html

    Got mine used from these guys, it was...
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    Unless you have a room that supports multiple...

    Unless you have a room that supports multiple surrounds, generally, directional surrounds aren't preferred for most listening, with bipoles/dipoles/omnis taking the cake for MOST listening. The idea...
  9. I really do strongly recommend you pick up a more...

    I really do strongly recommend you pick up a more robust measurement system. Last night I built out a new system of crossover and shaping for an active 3 way setup (dual 12" subs, 15" midbass, horn)...
  10. 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.
  12. 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...
  13. Thread: Woofer Clamps

    by badman
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    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.
  19. 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...
  21. 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...
  25. 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...
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