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Old 7th February 2013, 04:35 PM   #1
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Default 10" PA driver for FAST - possible?

Hello all,
about to finish my B&W clones with Fostex FE168EZ Sigma.
Looking for PA driver to act as a helper woofer down to about 40-50Hz (enough for music I guess).
I have been searching the forum but no luck....
Any ideas?
I prefer highish sensitivity (to match Fostex), light paper cone, fast dynamic driver, budget about 150 euros/pc.

Thanks guys

Danny
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Old 7th February 2013, 04:42 PM   #2
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NEW 10" EMINENCE DELTA 10 350w PA / BASS SPEAKER 16ohm | eBay

Eminence are fairly sensitive and have a good build quality.
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Old 7th February 2013, 04:46 PM   #3
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thanks for suggestion Jon,
I was thinking more of a higher class driver, for example no stamped basket, but cast would be nice
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Old 7th February 2013, 04:56 PM   #4
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10" PA midbasses are easy to come by: a compact 10" plus tweeter 2-way cabinet is a fairly standard piece of kit.

A 10" woofer, however, will be more difficult to find. Woofers are designed to produce bass and only bass. In the PA world, 15", 18" and 21" drivers are used for that, as a 10" cone won't move much air in comparison.

What I'm saying is that you could easily use a 10" PA midbass. It'd have fairly high sensitivity, but not much in the way of bass extension, and will run into harmonic distortion quite quickly. They're not meant for low frequencies, and asking that of them doesn't seem wise.

On the other hand, check this out.
Speaker Detail | Eminence Speaker

It'll do more bass than most PA 10"s, but loses some sensitivity.

Chris
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Old 7th February 2013, 05:24 PM   #5
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thanks Chris...
I am not expecting the woofer to do sub frequencies I know better than that... What I want is that the woofer should be ok for freq from around 40hz f3.. or little higher... I know that would be plenty for music... at least according to spec sheets...
What I am asking is real world performance, dynamic, detail (I would run it up to about 500-700Hz? )

The Eminence driver looks very good, the sensitivity is not that bad actually...
I have to sketch it up to see if the flange shape wont be a problem....
thank you again....

Any more suggestion please feel free to chime in. Also any tips and hints why yes PA and why not for home use..

Danny

The KappaLite has a dip at 500Hz...perhaps not so good?

Last edited by barackuda; 7th February 2013 at 05:26 PM.
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Old 7th February 2013, 05:38 PM   #6
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oh, very IMPORTANT note:
I can't go above 256mm in diameter !!!

So the KappaLite is OUT

OK I just checked the drawing, the total maximum would be 273mm diameter, but that's extreme case.

And I still have to come up with the total volume damn I forgot about that one, that will be together with the diameter the major restriction.

Last edited by barackuda; 7th February 2013 at 05:43 PM.
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Old 7th February 2013, 08:43 PM   #7
SpirosZ is offline SpirosZ  Greece
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Active or passive?
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Old 7th February 2013, 08:51 PM   #8
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Spiro:
Active for sure
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Old 7th February 2013, 08:58 PM   #9
SpirosZ is offline SpirosZ  Greece
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Not a PA driver but I remember when I was searching something similar for me that I liked the 10" SB acoustics SB29NRX75-6 - SB acoustics 10 inch woofer - Europe Audio
Since you are going active you can match the sensitivity difference.
I wouldn't cross it higher than 300Hz though.

Last edited by SpirosZ; 7th February 2013 at 09:04 PM.
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Old 7th February 2013, 09:07 PM   #10
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thanks for the suggestion but its a tad big on the diameter now i am calculating the inner volume, the shape is very difficult, so it will take me a lot of time... suffice to say, one box contains of 30 laminated pieces
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