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Multi-Way Conventional loudspeakers with crossovers

10" woof plus single capped morel cat378
10" woof plus single capped morel cat378
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Old 3rd September 2016, 04:59 PM   #11
chazdrumzalot is offline chazdrumzalot  United States
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...And that's why it's so important to use PCD (or similar program).
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Old 3rd September 2016, 05:52 PM   #12
norman bates is online now norman bates  United States
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You are right.

The b102 is 15ohms at 1khz and 20ohms at 1500.

Any ideas ?
Like a bigger coil ?
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Old 3rd September 2016, 07:12 PM   #13
Arty is offline Arty
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the problem is you would have to smooth out the impedance curve.
it would require a notch fitler tuned at FS.

and it would be impractical.
the usual solution is to design a verry narrow box, then you need the BSDC at higher freqvency, so you don'thave to worry about the impedance bump at FS, only the rising impedance curve due to the vioce coil inductance, witch can be combated with a zobel network.

or just be more of a DIY guy, and make it bi-amped.
use an active corssover for BSC.
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Old 3rd September 2016, 11:34 PM   #14
norman bates is online now norman bates  United States
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Not bad ideas.
I forgot about the big zpeak at fsb (90hz).

Did the active crossover thing.
Now i''m going for more transparency, full range plus tweet, time alignment.

Maybe just run 1 driver on the 17" wide baffle (11" deep x 27" tall, qtc .577) and add some eq, either 10 band eq or boost bass using my good sounding onkyo receiver.
That would save $100 per speaker.

Norman
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Old 4th September 2016, 03:07 AM   #15
mayhem13 is offline mayhem13  United States
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If high efficiency isn't a big factor, there's lots of better 10" woofer out there to meet your goals yet cheaper than the A26.

https://www.madisoundspeakerstore.co...ed-paper-cone/

Wouldn't even need a notch and will dig much deeper than the B102.
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Old 4th September 2016, 07:51 AM   #16
norman bates is online now norman bates  United States
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Not bad woofer there, bit of resonance @2100 and 2300.
.55 qts + 32hz fs = deep
And a shorting ring for $74, nice.

But the b102 is 92-93db, exact match of the b102.

Thanks for the suggestion.
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Old 4th September 2016, 03:12 PM   #17
mayhem13 is offline mayhem13  United States
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Yes, the effiencies don't match up but the bass extension is there.

EQ the B102 to get that deep and you're using just as much current AND xmax is a serious consideration as well.

Either way, sounds like a great speaker with excellent male vocal clarity if you can get good phase alignment at the xo.
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Old 4th September 2016, 06:41 PM   #18
Flaesh is offline Flaesh  Russian Federation
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Hi Norman!
Do you think this will be better than your avatar?)))
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Old 4th September 2016, 06:48 PM   #19
norman bates is online now norman bates  United States
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Thanks. It finally dawned on me to combine the 2.
I've been on a quest for a 6db time aligned setup (well woof plus single capped tweet).
Seems the devore fidelity orangutan uses that morel, I could be wrong.
And they use a different seas a26, now unavailiable.
And probably 12db crossover, maybe more, maybe asymmetrical.

I'm not too worried about low bass.
I'm only seeking sealed f3 just under 100hz.

Lol, better ?

Too many variables.
I listen at lower volumes and getting into jazz vocal stuff.
But i'm always trying different stuff.
Currently listening to a rat shack rca pro cs550 with lineaum tweeter, straight off amp, no eq, silver cat 5 Chris vh speaker wire.

Last edited by norman bates; 4th September 2016 at 07:01 PM.
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Old 4th September 2016, 07:04 PM   #20
Flaesh is offline Flaesh  Russian Federation
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Quote:
Originally Posted by norman bates View Post
I'm not too worried about low bass.
Having 2*18" equed (or possible 4*18") in IB I'm also))
I had bought a pair of Wavecor TW030WA11-01 on sale without a specific goal..
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