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Old 1st April 2013, 09:41 PM   #1
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Default TL with vifa M22wr-09-06

Hello, i buy two vifa woofers, and I want to build TL speakers with them, any solutions?
Cheers
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Old 2nd April 2013, 02:27 PM   #2
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pleaseeeeee, anything , how long, where to put driver on the end of line or on 1/3?
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Old 2nd April 2013, 02:33 PM   #3
pkitt is offline pkitt  United States
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To determine if this Vifa will likely work in any sort of TL, we need to know the values of its T/S parameters. I tried running them down yesterday but couldn't find any, not even old ones from Vifa. Besides, it would be far better to know what the T/S values are for YOUR drivers, which seldom match those from the manufacturer.
Paul

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Originally Posted by drVelinov View Post
pleaseeeeee, anything , how long, where to put driver on the end of line or on 1/3?
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Old 2nd April 2013, 07:47 PM   #4
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OK this is what I find

http://www.sea.vg/vifa/M22WR-09-06.pdf

cheers
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Old 2nd April 2013, 11:24 PM   #5
pkitt is offline pkitt  United States
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I did enough modeling using the specs you linked to know it will work well in an ML-TL, and work pretty well in a tapered TL. Tell me what you had in mind to build, a 2-way or a 3-way, and if you have a cabinet size/shape you're after, particularly any maximum dimensions like depth or height. I won't respond again until tomorrow, however, as I'm shutting down my computer for today after this. Again, it would be wise to measure the T/S values of your drivers as the accuracy of the modeling is entirely dependent on them.
Paul

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Originally Posted by drVelinov View Post
OK this is what I find

http://www.sea.vg/vifa/M22WR-09-06.pdf

cheers
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Old 3rd April 2013, 12:07 AM   #6
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I have in mind 3way speakers with 6 inch kevlar B&W cwm 650, I must cut vifa on 200 to 250Hz becouse of mid, dimensions are not important, I have big room :-)
Thank you wery much
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Old 3rd April 2013, 12:09 AM   #7
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And if I find someone with equipment I will measure my drivers.
Good night
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Old 3rd April 2013, 10:34 AM   #8
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B&W CWM650:

- Mechanical Parameters -

Fs = 74Hz
Qms = 4,653
Vas = 7,558 liters
Cms = 0,332 mm/N
Mms = 13,95 g
Rms = 1,394 kg/s
P-Dia = 127 mm
Sd = 126,7 sq.cm

- Electrical Parameters -

Qes = 0,824
Re = 3,91 Ohm
Le = 0,328 mH
Z = 4 Ohm
BL = 5.547 Tm
Pe = 60 watts

- Electromech. Parameters -

Qts = 0,7
no = 0,358 %
1-W SPL = 87.69 dB
2.83-V SPL = 90.8 dB
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Old 3rd April 2013, 06:40 PM   #9
pkitt is offline pkitt  United States
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Default YGM

I sent you a direct email.
Paul

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Originally Posted by drVelinov View Post
And if I find someone with equipment I will measure my drivers.
Good night
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