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TAD 2 way.. need crossover. [message #50763]

Mon, 05 March 2007 21:22

plocke
Messages: 8
Registered: May 2009

Esquire

I have a pair of TAD TL-1102 mid/bass drivers

http://www.pioneer.co.uk/uk/products/43/203/1083/TL-1102/index.html

and a pair of TAD TD-2001 with Martinelli Wood horns (800hz)

on there way in the next week or two.

I need to build a 2 way crossover and wanted to use Wayne's design.

Any advice on where I should crossover? Anyone have experience with these drivers?

Was thinking 1200hz would be a good place? Wayne did send me plans for a 1200hz crossover some time ago.

not sure what components to substitute to accommodate a 94db efficient driver with a 109db efficient horn though?

again.. wonder if anyone has tried this already and could send.. perhaps... a parts list?

Thanks!

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Re: TAD 2 way.. need crossover. [message #50764 is a reply to message #50763]

Tue, 06 March 2007 01:09

Wayne Parham
Messages: 18683
Registered: January 2001

Illuminati (33rd Degree)

You can use the 1kHz, 1.2kHz or 1.6kHz crossover with good results.

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Re: TAD 2 way.. need crossover. [message #50765 is a reply to message #50764]

Tue, 06 March 2007 08:46

plocke
Messages: 8
Registered: May 2009

Esquire

thanks Wayne.
have you got the 1.2khz crossovers in stock?

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Re: TAD 2 way.. need crossover. [message #50766 is a reply to message #50764]

Tue, 06 March 2007 12:26

plocke
Messages: 8
Registered: May 2009

Esquire

Looking thru my files and realized the documents I have don't include a schematic or attenuation component values for a 1200hz crossover..
Wayne could you send me those if you have em?

I believe need to attenuate roughly 17db to make up for the mid/bass drivers 92-94db (in) efficiency.

Thanks a lot I really appreciate it.

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Re: TAD 2 way.. need crossover. [message #50767 is a reply to message #50765]

Tue, 06 March 2007 12:32

Wayne Parham
Messages: 18683
Registered: January 2001

Illuminati (33rd Degree)

No, I don't stock a 1.2kHz crossover. We have the 1.6kHz crossover in stock though. And to be honest, I would crossover higher than 1.2kHz anyway. The radiating surface area dictates directionality of the midwoofer, and I think it would be better to crossover to a 90x40 horn at 1.6kHz than 1.2kHz. That will give you a better DI match between midwoofer and horn.

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You've got mail! [message #50768 is a reply to message #50766]

Tue, 06 March 2007 12:38

Wayne Parham
Messages: 18683
Registered: January 2001

Illuminati (33rd Degree)

You've over-estimated the sensitivity of the tweeter horn. I suggest the 14dB compensation circuit, which you'll see in the charts on the crossover document.

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Re: TAD 2 way.. need crossover. [message #50769 is a reply to message #50767]

Tue, 06 March 2007 12:43

plocke
Messages: 8
Registered: May 2009

Esquire

Ahh! Thanks. Duke at AudioKineses crosses these mid/woofers over about 1600 too.. will go with that and use the schematics you sent a while back. Great.

Or I could order the ones you have in stock - I'd still need to swap out R1,C1,R2 for attentuation and then C5 & R3 based on the drivers LE/RE etc. .right?

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Re: You've got mail! [message #50770 is a reply to message #50768]

Tue, 06 March 2007 12:44

plocke
Messages: 8
Registered: May 2009

Esquire

Thanks!

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Re: TAD 2 way.. need crossover. [message #50771 is a reply to message #50769]

Tue, 06 March 2007 14:42

Wayne Parham
Messages: 18683
Registered: January 2001

Illuminati (33rd Degree)

We can sell you a PXB1K6014dB crossover. Or you can build them yourself using the crossover schematic, and choosing whatever brand components you like.

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Re: TAD 2 way.. need crossover. [message #50772 is a reply to message #50769]

Wed, 07 March 2007 05:12

dB
Messages: 234
Registered: May 2009

Master

Hi plocke, that was a nice reply from Wayne, the 1600Hz xover.
But thinking about your case I didn't see information on their web site (TAD) about a frequency response curve on their drivers/speakers. In this case is a must have (simulation), unless you know the "material" output from your head. Anyway they are all very similar (construction techniques between brands having the same materials or similar types of characteristics) but I don't have that kind of experience... right Wayne?
Thanks ploke.
Best Regards.

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