Opinions and use of Focal TC90tdx and 7K4411 - diyAudio
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Old 2nd July 2003, 03:05 PM   #1
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Default Opinions and use of Focal TC90tdx and 7K4411

Has anyone used these drivers. I am looking for information on crossovers, crossover points, and enclosure alignments for the woofer.

What caps sound good on the TC90TDX?

Paul Hilgeman
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Old 2nd July 2003, 03:31 PM   #2
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Check zalytron.com kits section. They use a lot of Focal drivers.
“Do something really well. See how much time it takes. It might be a product, a work of art, who knows? Then give it away cheaply, just because you feel that it should not cost so much, even if it took a lot of time and expensive materials to make it.” - JC
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Old 2nd July 2003, 04:03 PM   #3
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I agree that Zalytron is a good place to check. They sell a lot of focal stuff, and Elliot Zalyet is willing to give advice and help with design. I used to have a speaker building club at the school where I teach, and he was very helpful with choosing drivers and alignments and designing crossovers. Their catalogue used to have a bunch of suggested designs and crossover schematics. I haven't looked at their website in a long time -- haven't been building speakers, but I imagine it is similarly helpful. I should say that I don't know if Elliot does all this for free -- if you want specific design suggestions he might expect you to buy the parts from him, but that seems fair. Why not ask -- he seemed to me to be a very nice guy, though understandably very busy also.
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Old 2nd July 2003, 04:10 PM   #4
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I took a look over there and sent him an e-mail. There is no exact XO for those two drivers, but hopefully he can help me out.

Thanks for the tips guys.

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Old 2nd July 2003, 05:48 PM   #5
BobM is offline BobM  United States
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You may also want to post this question on the Madisound board. Lots of people there who can help you out.


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