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Old 24th November 2012, 04:57 AM   #11
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Well you certainly have the amp power. Most desktop users are using a little topping or Lepai or similar. So I wouldn't worry about effeciency.

I'd shoot for the driver with the best bass and excursion and use your computer to boost the bass as required.

If you're on a tight budget, consider the aura NS3. I haven't used it or heard it, but cheap with loads of bass. That would be much less costly than the overnight sensation. Also fire an email at Planet 10 to see what he's got for building plans and drivers. He's got lots of full range stuff.
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Old 24th November 2012, 05:01 AM   #12
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Oh, if on a budget, give the CSS WR125 that I linked another look. $40 for a pair. My biggest complaint with them was effeciency, but with the NAD and a tight budget, I'd put those to the top of my list.
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Old 24th November 2012, 05:08 AM   #13
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Quote:
Originally Posted by tuxedocivic View Post
CSS WR125 that I linked another look. $40 for a pair.
That is a very aggressive price Bob has on those... cleaning out the wharehouse. A great driver for the price. They really need a helper tweeter. I believe Bob also has a killer price on the Mark Audio ERT26. A single small cap that brings the tweeter level down to that of the WR at 12-13k would work. With the XO that high it is just adding a bit of sparkle and the ear/brain won't have much issue with the physical separatio.

Use from 4.5 litre aperiodic to 7 litre sealed or aperiodic.

dave
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Old 24th November 2012, 06:33 PM   #14
michiu is offline michiu  Canada
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Quote:
Originally Posted by tuxedocivic View Post
Oh, if on a budget, give the CSS WR125 that I linked another look. $40 for a pair. My biggest complaint with them was effeciency, but with the NAD and a tight budget, I'd put those to the top of my list.
I thought they were sold-out on the CSS site. I would considering making the WRT125 + ERT26 if they weren't. Seems like a neat project.

I can't seem to be able to source the Aurasound NS3 in Canada, which means exorbitant shipping fees and hassle.

I'm leaning towards the Fostex or Alpair6 at the moment.
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Old 24th November 2012, 08:32 PM   #15
michiu is offline michiu  Canada
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I asked Bob at CSS about the WR125 and he said that the WR125STR (14ohm) are in stock. I've been fiddling with a WR125 + ERT26 and this is what I've got with a single 1.1uF cap as a high pass:
Click the image to open in full size.
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Old 24th November 2012, 08:35 PM   #16
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That is a very aggressive price Bob has on those...
I'll say. I paid more than that at the VanIsleFest.
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Old 24th November 2012, 08:36 PM   #17
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I can't seem to be able to source the Aurasound NS3 in Canada, which means exorbitant shipping fees and hassle.
Next time i order from Madisound, i'm getting some NS3 for a guy in OZ,easy enuff to bump the quanitiy up. No time frame thou...

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Old 24th November 2012, 10:23 PM   #18
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I've been listening to the pair of NS3s that I won at the 2011 DIY Fest for the last 2 weeks and they are growing on me. They are both in a small sealed box (~1.25L chambers for each driver). I wonder if they needed some run in time like other drivers. If you can get them cheaply they are not too bad.

KM

Last edited by KyleinCowichan; 24th November 2012 at 10:52 PM. Reason: Clarification
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Old 24th November 2012, 11:36 PM   #19
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If the port is the same cross sectional area, then the length should stay the same.
David Weems in his book Designing, Building & Testing..... says that a rectangular (slot) port requires a different length for a given tuning frequency and having the same area as a circular port. He suggests using a simulation program for finding the correct length of a slot port.

Regards,
Pete
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Old 24th November 2012, 11:41 PM   #20
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Use from 4.5 litre aperiodic to 7 litre sealed or aperiodic.
Or go wild... :devil:
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