C12.2 Poly cone 12" for $75 each !!!

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C12.2 Poly cone 12" for $75 each !!!

Postby stryke » Fri Nov 02, 2007 12:31 pm

Here is another closeout we have that we are blowing out. These use a poly cone/foam surround the same as the old Lambda SB12's and PB12's. They have a 4 spoke cast aluminum frame. These use the coil from the old PB12's also. They are dual 4ohm. Physical overhang on these is 14mm with the Bl curve showing about 16mm Xmax.

C12.2 12" poly cone woofer

Quantity Available: 29pcs

Fs: 21.5Hz
Qts: .38
Qms: 4.5
Qes: .415
Re: 6.6ohm (in series)
Bl: 18.25Tm
Z: 8ohm (in series)
Le: 2.0mH
Vas: 154L
Mms: 155g
Cms: .35mm/N
Sd: 553sqcm
Xmax: 16mm
Vd: 1.78L
Suggested Power: 150-350W

Image

For car audio applications these will work well in 1-2cubic foot sealed enclosures or vented enclosures from 1.5cubic foot and up.

For home theater applications these can work well in 2-3 cubic foot sealed enclosures, or vented or PR enclosures of around 3 cubic foot tuned around 20hz.

These are only $75 each and offer huge performance for the price. To order give us a call at 920-469-9198.

John
Last edited by stryke on Sat Nov 10, 2007 9:18 am, edited 3 times in total.
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Postby PUREAUDIO » Sat Nov 03, 2007 12:22 am

man i really like that cone, looks very sexy
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Postby PUREAUDIO » Wed Nov 07, 2007 7:58 pm

Hey Mr. John do you except PayPal? If so id like to get a price for 4 shipped to 70548. I might have a use for these's.
thanks
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Postby stryke » Fri Nov 09, 2007 4:14 pm

PUREAUDIO wrote:Hey Mr. John do you except PayPal? If so id like to get a price for 4 shipped to 70548. I might have a use for these's.
thanks


Yes, our paypal is the sales -at- aespeakers.com Can't post the actual email here or the spammers go nuts on it. :) It looks like UPS charges are just under $16 per woofer for 19lbs to your zip code.

John
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phone: (920) 328-5206
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Postby PUREAUDIO » Sat Nov 10, 2007 3:57 am

cool ill send the money today for 4-12's ($365.00 shipped) im going to email you my address.

on a side note did the paper cones you were waiting on ever come in, and if so did you like them.
thanks
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Postby stryke » Sat Nov 10, 2007 9:16 am

PUREAUDIO wrote:cool ill send the money today for 4-12's ($365.00 shipped) im going to email you my address.

on a side note did the paper cones you were waiting on ever come in, and if so did you like them.
thanks


I see the paypal payment so these will get shipped out monday to you. You'll get an email with the UPS tracking info.

We have the samples here now of the correct paper cones. Now I'm waiting on dustcaps. We're doing up a few proto drivers with the paper/santoprene combo right now, but I don't expect any issues. Just a little longer wait for dustcaps now.

John
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phone: (920) 328-5206
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Postby PUREAUDIO » Sat Nov 10, 2007 10:33 am

yea thats find, ive waited this long i can wait longer as long as i can get the prototype by January. just like a sample to play with, but this post is not about that ill keep it on topic and leave that to emails.


ill wait for the tracking number monday.....

thanks
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Postby PUREAUDIO » Fri Nov 16, 2007 6:01 pm

WOW my subs came today, now i just need to get home to build an enclosure for them and play.

Image

Image

Image
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Postby Taterworks » Sat Nov 17, 2007 8:03 pm

Wow, those are some solid looking woofers for $75. Be sure and post up some excursion videos on Realm of Excursion when you get home.

What's their sensitivity? And since they've got nice high BL, would they work well in very small vented enclosures? A very small local club is looking for some subs. Right now they've got JBL PRX535 main speakers (15" 3-way), but they could use a little help in filling the warehouse-sized space. The speakers are sitting up on some 16" cube-shaped orange crates, and I thought - what about some subs with side-firing drivers? These _might_ be the ticket.
Rory Buszka

If it works, but you don't know why it works, then you haven't done any engineering.
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Re: C12.2 Poly cone 12" for $75 each !!!

Postby Hyrule » Sat Feb 02, 2008 10:52 pm

Hello, I'm new to diy subs and am planning my first project. I've been using Winisd to model some different subs and this driver looks really good as far as I can tell in a 3.5 cubic foot enclosure with a 17" long 4" port tuned to 20hz. It looks very similar to other 12" drivers I put in there like the Dayton Reference one for example, the only graph that is much different is impedance. Maybe I have the parameters wrong, but the impedance goes way up to 49 ohms/39hz on the high points of the M shaped lines in the graph whereas the others are all much lower. Just wondering if there's anything wrong with that or if its an error on my part? thanks!
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Re: C12.2 Poly cone 12" for $75 each !!!

Postby simon5 » Sun Feb 03, 2008 11:08 am

Hi,

Nothing wrong with that. If I simulate I see the same peaks. It just means it needs less power than other drivers to reach high SPL at 39 Hz. You must also take into account that it's a 8 ohms driver that you may have compared to 4 ohms drivers. If you wire it in parallel instead of in series, then you might see another impedance curve since the driver will now be 2 ohms.

Good luck.
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Re: C12.2 Poly cone 12" for $75 each !!!

Postby stryke » Sun Feb 03, 2008 9:53 pm

Hyrule wrote:Hello, I'm new to diy subs and am planning my first project. I've been using Winisd to model some different subs and this driver looks really good as far as I can tell in a 3.5 cubic foot enclosure with a 17" long 4" port tuned to 20hz. It looks very similar to other 12" drivers I put in there like the Dayton Reference one for example, the only graph that is much different is impedance. Maybe I have the parameters wrong, but the impedance goes way up to 49 ohms/39hz on the high points of the M shaped lines in the graph whereas the others are all much lower. Just wondering if there's anything wrong with that or if its an error on my part? thanks!


Yes, as Simon said, nothing wrong with the curve, it is just a higher impedance driver. You may want to take a look at the design we posted for the 4cf enclosure with slot vent:

viewtopic.php?f=4&t=1611

John
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phone: (920) 328-5206
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Re: C12.2 Poly cone 12" for $75 each !!!

Postby Hyrule » Fri Feb 08, 2008 12:36 pm

Thanks, I would like to buy one of these with paypal as well, I just sent an email with zip code to the above sales address.
I plan on doing something special with one of these!
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Re: C12.2 Poly cone 12" for $75 each !!!

Postby Eeyore » Tue Mar 11, 2008 11:06 am

Do you have any of these remaining?

I'm considering building two 2 cubic foot sealed boxes for my living room. I'm not interested in making the house cave in around me. This is for t.v. watching and for very light movie and music. I have my 4 AE IB15's in my basement for shaking the house.
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Re: C12.2 Poly cone 12" for $75 each !!!

Postby stryke » Tue Mar 11, 2008 9:26 pm

Eeyore wrote:Do you have any of these remaining?

I'm considering building two 2 cubic foot sealed boxes for my living room. I'm not interested in making the house cave in around me. This is for t.v. watching and for very light movie and music. I have my 4 AE IB15's in my basement for shaking the house.


Hello,

Yes, I believe we have 10pcs or so left. I'd have to check on an exact number tomorrow, but we definitely have 2 available for you. A pair in 2cf sealed enclosures should do very well for your needs, especially if you have any kind of EQ to boost the low end. With no box fill you'd get a Qtc of .707 with F3 of 41Hz(red curve below). With heavy fill your Qtc goes down to .59 and F3 goes up slightly to 47Hz(yellow curve below).

Then if you decide you want more output in the future, you could easily add a pair of 12" PR's on each side of the enclosure. This would give you roughly 3-4dB more output over most of the useable range with equal input power.

Image

John
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phone: (920) 328-5206
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