Which woofer does 30-1000 Hz / JBL 2235A Equivalent - diyAudio
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Old 25th October 2010, 10:51 AM   #1
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Default Which woofer does 30-1000 Hz / JBL 2235A Equivalent

I'm trying to find out if there are any woofers out there that can go from 30 Hz to 1000 Hz... I saw a design which used the JBL 2235H and the TAD 2001, crossed over at 1 Khz... Wondering if something similar can be created, at a more friendly price point.
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Old 25th October 2010, 11:45 AM   #2
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Beyma 15MI100 + B&C DE250
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Old 25th October 2010, 01:40 PM   #3
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That Beyma has an Fs of 48Hz. Does it really go down to 30Hz without coercion?
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Old 25th October 2010, 01:54 PM   #4
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I don't know but in Beyma documentation : http://profesional.beyma.com/pdf/15MI100E.pdf

Frequency range 30 - 4000 Hz
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Old 25th October 2010, 02:43 PM   #5
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Do you have parameters on the 2235A? All I can find are the 2235H.
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Old 25th October 2010, 03:10 PM   #6
pos is offline pos  Europe
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some might refer to a 2235A that would be a 2231A (alnico) core with a 2235H recone kit, but the 2235A does not exists as such
The 2231A is the alnico version (and ancestor, but very similar) of the 2235H

there also was a 2231H for some time...

Last edited by pos; 25th October 2010 at 03:22 PM.
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Old 25th October 2010, 03:23 PM   #7
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I'm not sure what the application is for, but either the TD15H or TD15X would likely be good option. The TD15X models quite similarly in a vented enclosure. You'd have have much more power handling, much more Xmax, and a fraction of the inductance of the JBL though. All good things.

There are some measurements up on Brandon Thill's driver guide.

AE Speakers TD15X 4ohm - drivervault

Full parameters can be seen here.

Acoustic Elegance • View topic - TD15M, X, H, and S parameters

John
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Old 25th October 2010, 03:58 PM   #8
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Quote:
Originally Posted by jerome69 View Post
I don't know but in Beyma documentation : http://profesional.beyma.com/pdf/15MI100E.pdf

Frequency range 30 - 4000 Hz
I know, that's where I looked but the are no corners given so I assume those are -10dB or -12dB.
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Old 26th October 2010, 07:06 AM   #9
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Yes I think so !
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Old 26th October 2010, 10:28 AM   #10
Helmuth is offline Helmuth  Netherlands
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you need a light papercone woofer to go that deep and have good mid and 93dB.

Here a nice price 15 inh that comes close to spl and fs with good mid.4ohm
Dayton DCS380-4 15" Classic Subwoofer 4 Ohm | Parts-Express.com

Break up at 1.8k will be hard to get that right, for spl and low quite similar to the jbl

http://www.parts-express.com/pdf/295-325s.pdf

here one with flat resonse up to 1100hz
http://www.parts-express.com/pdf/295-034s.pdf

no breakup les low end
http://www.parts-express.com/pdf/264-393s.pdf
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Last edited by Helmuth; 26th October 2010 at 10:45 AM.
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