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Multi-Way Conventional loudspeakers with crossovers

12-15 inch pro woofer choice?
12-15 inch pro woofer choice?
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Old 8th February 2019, 03:39 PM   #1
lowmass is offline lowmass  United States
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Default 12-15 inch pro woofer choice?

looking for 12-15 inch woofer selection experience/ advice ...

need 94-97 db sens at 8 ohms

reasonable price ( around 100$ each )


so the issue here is I need to be able to use this woofer as the foundation in two very different set ups for testing other drives

In one setup the woofer will be used as a 2 way monitor crossed at 1k to test a wave guided tweeter design. Looking to get to 50 hz at least in a box no bigger than about 3-3.5 cu feet and of course reasonable linear response through to around 2 k. Yes I realize this is a bit much to ask in the cheaper drivers

In the other set up the woofer will be used in an open baffle crossed at 200hz so some X max is desired, maybe 4 mm or more


Any experience/ advice with such drivers welcomed

this about only one I see so far that might work??

https://www.parts-express.com/pedocs...ions-44284.pdf

I am concerned about how these drivers control the region between about 200 and 2 khz. Seems how this area this handled separates the expensive drivers from the cheaper stuff
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Old 8th February 2019, 04:22 PM   #2
tmuikku is offline tmuikku  Finland
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Have you checked Celestion catalog? Someone propably suggests FaitalPRO 15pr400, but thats closer to 200 than 100 currency units new. Secod hand market must have lotsa options

Last edited by tmuikku; 8th February 2019 at 04:26 PM.
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Old 8th February 2019, 05:07 PM   #3
lowmass is offline lowmass  United States
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no havent look at celstion

yea the fatal looks great, as does everything else around that price ha

seems like the only cheaper woofers that are more linear up into mids are really heavy cones. Easy way to tame that region I guess but would rather use a lighter moving mass, somewhere below 80 g
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Old 8th February 2019, 06:06 PM   #4
uraberg is online now uraberg  United States
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The econowave thread will give you a lot of info on woofers that might be useful for your monitors.

As for open baffle, QTS requirements are less of a problem if you go DSP. (with EQ abilities) I use 2 pa310's per channel in open baffle, and still need quite a bit of bump in the lower frequencies.
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Old 8th February 2019, 06:08 PM   #5
mashaffer is online now mashaffer  United States
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Eminence Beta-15 might fit the bill.
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Old 8th February 2019, 06:28 PM   #6
lowmass is offline lowmass  United States
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thanks uraberg

curious how wide is your baffle and at what freq. are the 310 crossed over?
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Old 8th February 2019, 06:40 PM   #7
lowmass is offline lowmass  United States
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Quote:
Originally Posted by mashaffer View Post
Eminence Beta-15 might fit the bill.
yea the beta 15 was one I looked at , would work for open baff BUT calculating a box for that woofer gives HUGE boxes
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Old 8th February 2019, 09:47 PM   #8
ScottG is offline ScottG  United States
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https://www.fane-international.com/d...C-DS240316.pdf
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Old 8th February 2019, 10:36 PM   #9
RobWells is offline RobWells  United Kingdom
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The woofers in the JBL JRX 115 speakers is pretty decent and over in the UK at least a pair can be bought used for under 200.. Sell on the tweeter horns / drivers and you have a very cheap pair of nice sounding drivers.

I'm running a pair right now.

Rob.
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Old 8th February 2019, 10:40 PM   #10
John Busch is offline John Busch  United States
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A driver you may want to consider is the PE-PA-310-8 (12"). In 2.5 cu. ft. box tuned per thiele at its 39 Hz FS. 4" port dia X 7" long. 94.5 db/watt true net efficiency. $60. Reasonably flat to 1.8Khz. 5.5 mm X-max. Rugged construction with 80 oz of magnet. Nice thick plates. -3 in the above box is 39 Hz. Add a couple of inches to the port length and you will get -3 at 37 Hz. This assumes no RG value in the equation. Have used before. Very consistent and dynamic so far. YMMV.
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