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Old 8th April 2010, 06:43 PM   #21
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here is the spec sheet
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Old 8th April 2010, 07:58 PM   #22
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http://www.pyleaudio.com/manuals/PDW21250.pdf
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Old 8th April 2010, 08:15 PM   #23
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In the spec sheet that u just posted it says the useable range is from 45-1.7khz... They play real nice down low. Maybe it's the transmission line enclosure... Any thoughts?
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Old 8th April 2010, 11:37 PM   #24
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In the PDF it says the xmax is 9.0mm. They dont specify if that is one way or peak to peak though.
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Old 8th April 2010, 11:40 PM   #25
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its one way
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Old 9th April 2010, 12:53 AM   #26
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Well 9mm one way is pretty darn good then. I bet 4 of those are devastatingly loud in your room!
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Old 9th April 2010, 01:01 AM   #27
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i had electrician over this morning to pull another circuit for my sub amp(s) they didnt believe me that I was popping the one that was already there so i had to show them. its much more powerful now. I just ordered 3 more of these subs, 1 to replace one that I fried today, and 2 to make 2 more TL subs with. That will put me at 6 total. ill be happy there. (for now)
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Old 9th April 2010, 01:34 AM   #28
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Those two spec lists tend to indicate that Pyle has trouble making these woofers for any specific purpose. According to one sheet it's a pretty cool sub driver and according to the other it's not good for anything but 70's disco, Really Loud.
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Old 9th April 2010, 01:38 AM   #29
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Which is which?
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Old 9th April 2010, 01:45 AM   #30
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Well usually anything with a qts well below 0.2 has most of the coil already in the gap and a very large magnet to cone ratio. This speaker has about a moderate amount of magnet, and if it really has 9mm of xmax the generic specs from the site are realistic sounding, and you'd have a broadly useful sub driver to design with. Maybe the extremely low Q "version" would work OK in a horn, I have about zero experience with that, but it usually means you're going to get a -3dB point well above Fs for any other type of box, although it might be darned efficient.
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