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Old 23rd November 2012, 09:26 PM   #301
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I'm looking to take the plunge with the 1x12 Kraken with the JBL as directed, And just today picked up a retired from a movie theater QSC MX 1500a amp. I know it's way more amp than I need for this subwoofer, but there is always the future. I was planning on putting a miniDSP on the system. I thought to install it in the open accessory bay, only to find my bay isn't open. I find the QSC FS-1 Subwoofer filter in it. It's currently set to 100hz low pass and 32hz high pass.
Filter type:
second-order butterworth, Q=0.707
(LPF and unboosted subsonic filter)
second-order, +6 dB boost, Q=2
(boosted subsonic filter)

Is this a good starting point without a miniDSP?

Is there another frequency I should start with
hz ohm
20 82K Factory set for RN3
25 68K
32 56K
35 47K
40 39K
50 33K
63 27K
80 20K
100 18K
135 12K
160 10K
200 8.2K
250 6.8K Factory set for RN4

should I still use the miniDSP?
should I consider the dual voice coil version of this speaker instead of the single?

thanks,
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Old 23rd November 2012, 10:52 PM   #302
esavage is offline esavage  United States
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I hope I don't get kicked off the forums for not being a good searcher, but here goes:

Can anyone explain to me how having two speakers in the box effects the measurements?

In other words, which speaker do I measure from? Or does it completely change everything?

EDIT: To clarify, I'm talking about measuring the segment lengths as per Hornresp. Also, using the push-pull arrangement.

Last edited by esavage; 23rd November 2012 at 11:16 PM.
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Old 24th November 2012, 06:18 AM   #303
epa is offline epa  Netherlands
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Location: amsterdam
Quote:
Originally Posted by tlivingd View Post
I'm looking to take the plunge with the 1x12 Kraken with the JBL as directed, And just today picked up a retired from a movie theater QSC MX 1500a amp. I know it's way more amp than I need for this subwoofer, but there is always the future. I was planning on putting a miniDSP on the system. I thought to install it in the open accessory bay, only to find my bay isn't open. I find the QSC FS-1 Subwoofer filter in it. It's currently set to 100hz low pass and 32hz high pass.
Filter type:
second-order butterworth, Q=0.707
(LPF and unboosted subsonic filter)
second-order, +6 dB boost, Q=2
(boosted subsonic filter)

Is this a good starting point without a miniDSP?

Is there another frequency I should start with
hz ohm
20 82K Factory set for RN3
25 68K
32 56K
35 47K
40 39K
50 33K
63 27K
80 20K
100 18K
135 12K
160 10K
200 8.2K
250 6.8K Factory set for RN4

should I still use the miniDSP?
should I consider the dual voice coil version of this speaker instead of the single?

thanks,
i found a post a few pages back saying 18hz hpf
so you could do 20 hz or 16 hz if you buy a rn of 100k
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Old 26th November 2012, 07:56 AM   #304
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can't load images on page1
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Old 26th November 2012, 11:35 AM   #305
AndrewT is offline AndrewT  Scotland
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More broken links due to Members refusing to use the attachment facility provided by this Forum !!!!!!
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Old 26th November 2012, 08:08 PM   #306
esavage is offline esavage  United States
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Honestly, if I could see the original images, I could probably extrapolate everything I needed to know.
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Old 27th November 2012, 10:11 PM   #307
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I pm'd the author...his inbox are full
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Old 30th November 2012, 12:05 AM   #308
esavage is offline esavage  United States
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I've been able to comb through and find enough images to figure things out, I'll let everyone know how that goes!
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Old 30th November 2012, 09:34 AM   #309
DrDyna is offline DrDyna  United States
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Is this what you guys are looking for?
Attached Images
File Type: jpg KrakenBPimperial.jpg (30.1 KB, 334 views)
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Last edited by DrDyna; 30th November 2012 at 09:41 AM.
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Old 30th November 2012, 12:45 PM   #310
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Default A Picture

I copied most of the images in the first thread just last summer.
There was also this.

Dave
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File Type: jpg 2 X 12 Kraken.jpg (90.8 KB, 330 views)
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