Pyle 21" driver: Surely this cannot be. - diyAudio
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Old 3rd October 2009, 12:33 AM   #1
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Default Pyle 21" driver: Surely this cannot be.

I was looking through the bowels of MCM electronics when I came across this:

http://www.mcmelectronics.com/produc...21250-/55-2366

My god! What a beast! Or is it?

The blisteringly high SPL, 22hz resonant frequency, 4" voice coil, and 1000w rms rating leave me wondering: Why is this only $200?

I mean, in a big enough cabinet, this would be amazing for bass guitar with a big 5x7" horn bullet tweeter crossed at 3khz... but I can't help but think that it's too good to be true.

I know pyle sells a lot of $20 junk that blows up at half of its output rating, but their pro series looks pretty serious. However, they don't even have this driver on their website, and they definitely don't have a data sheet for it. So I'm wondering, does anyone here have any experience with this driver, or their 18" or 15" drivers of the same series? I'd love to know if this might be looking into.

Also, sorry if this is in the wrong place. I'm new and not sure where, if anywhere, stage audio discussion is tolerated.
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Old 3rd October 2009, 01:34 AM   #2
Glowbug is offline Glowbug  United States
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Quote:
Why is this only $200?
Because it's from Pyle.

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Old 3rd October 2009, 01:59 AM   #3
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Fully understood, Pyle usually means pile. But does it look like crap? I don't know for sure. I mean, can they really lie about... everything?

Because if they can, they probably did here.

But I just don't know. It's all really frustrating. Has anyone heard of this woofer or read any reviews, because I couldn't find any, but dozens of distributors sell it.

Other than it being from Pyle, or perhaps in spite of being from Pyle, does anyone think this might be worthwhile?
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Old 3rd October 2009, 02:35 AM   #4
wg_ski is offline wg_ski  United States
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Quote:
Originally Posted by Jameson Styles View Post
I mean, in a big enough cabinet, this would be amazing for bass guitar with a big 5x7" horn bullet tweeter crossed at 3khz... but I can't help but think that it's too good to be true.
More than likely too good to be true. 107dB? I don't think so. It would need a 50 Hz fs and sub 1-mm x-max to do that. That thing looks like the Goldwoods that seem to be just mediocre at best.

The best stuff that Pyle "makes" is the pro series that looks, feels, and specs like Eminence (because it is). The prices, however, are a bit higher than equivalent drivers straight from the horse's mouth (the Greek letter series) so why bother? Everything else I've seen from them lately is junk.

Many moons ago, when they had their own plant, Pyle used to make an 18" 97 dB/W woofer that cost about $100 and blew away anything Eminence made at the time. Smooth on axis to 4k and rolled off at a predictable 2nd order. Worked well sealed or vented in at least 6 cubes. With a bullet horn as you describe it made one heck of a bass guitar cab up to about 150W where it hit excursion limit. I've never seen anything like it at any price since.
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Old 3rd October 2009, 02:40 AM   #5
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I just did a google on it and saw some lower prices like $144 and $141 but as you said
no data sheets.
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Old 3rd October 2009, 03:18 AM   #6
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So we look at it here. Probably not 107db spl... probably more like 95db. Still a nice driver if the power handling is what they say it is. Even if it's inflated, lets say this is a 500w rms driver. That would be... nice! I mean, 21" woofer, a 350oz magnet structure and a 4in voice coil! You can say up and down that pyle's usually lousy anymore, but those are real numbers no matter how you weigh it.

Efficiency and power handling, and maybe resonant frequency might be exaggerated, but it might be worth a gamble, maybe as a powered PA subwoofer or bass guitar speaker, especially at the $141 that woody found.

I dunno. I'm really, really thinking about this for the future. I have a 4x10 bass and 2 2x8 PA cabs to build first, but when it comes time to think about a PA sub... this is on my list.
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Old 3rd October 2009, 03:48 AM   #7
djk is offline djk
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As provided by Magnetar:

Pyle PDW 21250

FS - 31.61
RE - 5.59
RES- 59.81
QMS- 4.03
QES- 0.38
QTS- 0.34
L1- 1.88
VAS - 274.29 liters
SPL - 95.4
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Old 3rd October 2009, 04:32 AM   #8
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mine has fs-35, qts-0.67, re-6.68

Last edited by MisterTwister; 3rd October 2009 at 04:35 AM.
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Old 3rd October 2009, 05:46 AM   #9
FlipC is offline FlipC  United States
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I looked at this once.
Couldn't find specs on it so I just passed it by.

Anyone find a spec sheet?
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Old 3rd October 2009, 06:07 AM   #10
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Twister, you own one? Please, pray tell, what do you think of it? Think I should pick one up meself for bass guitar?

Oh, and patting myself on the back for guessing the spl! Thank you for those specs, djk.
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