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Old 9th June 2005, 05:28 PM   #21
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The quick and easy method. On reason why you couldn't, especially as the FE103E is never going to generate massive internal SPL, so vibration shouldn't be too bad. Damp the cavity with whatever you have to hand, and you should be fine.
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Old 10th June 2005, 02:20 AM   #22
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Default Re: Sloped Top Issues

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Originally posted by tleonard
I assume you could eliminate the sloped top by "boxing out" that portion of the speaker and adding an internal sloped piece? Right?

Just thinking in terms of speed of construction, or WAF for someone whose wife (like mine) asked if we had to have that slope on the top!

travis
Hi Travis,

For my first project, I sure did add a few complex tricks.. And at each step, I had to figure out "how" to do it. The sloped tops are done right. As well, I added a interchangeable faceplate, so that I can try different drivers, of different sizes, without altering the cabinet afterward.. and I thought of making different face plates to match these drivers... and adding a hole at the back (covered with a plate) so that I can add a second driver at the back to make it dipole.. and I .. anyway, I'll soon put pics of it.. Let's just hope they're fun to listen to.

How do you like your own Zigmas?
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Old 10th June 2005, 03:01 AM   #23
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Default Re: Re: Sloped Top Issues

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Originally posted by Sylver300B
so that I can add a second driver at the back to make it dipole
Bipole not dipole

dave
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Old 10th June 2005, 06:25 AM   #24
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You'd need to double the effective size of these if you're going to use two drivers in biole (or any) configuration as I understand it. I could be wrong though, and it will be interesting to see what gives at any rate. Not a bad idea though -I'll have to give it a try at some point. Good luck!
Best
Scott.
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Old 10th June 2005, 07:19 AM   #25
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Quote:
Originally posted by Scottmoose
You'd need to double the effective size of these
Normally it would be the case (double the cross-section. But with the variety of drivers he is trying, would be worthwhile to try.

dave
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Old 10th June 2005, 09:13 AM   #26
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True. I was forgetting that. The results will be interesting at any rate. I'm trying to model the Zigma in MathCad without much success at the moment -mostly because I can't for the life of me work out exactly what sort of speaker it is! Any thoughts? TL, BR?

Best
Scott
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Old 10th June 2005, 10:24 AM   #27
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Quote:
Originally posted by Scottmoose mostly because I can't for the life of me work out exactly what sort of speaker it is! Any thoughts? TL, BR?
It is an ML-TL... best modeled in the sections worksheet -- then you can model the angle at the top & the port without any figuring.

dave
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Old 10th June 2005, 11:03 AM   #28
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Cheers Dave, that seemed like the best option, but I thought I'd check to make sure!
Scott
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Old 10th June 2005, 11:43 AM   #29
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Default theory

Well, I am just a beginer, and alas, have not much theory.. Just trying so see what makes what, and then try to explain it.

So, I made my enclosures so that I can put the Fosters in it, then try the Philips, and as well, put back the Fosters but in "bipole" configuration.

I'm almost there, just need to fnish some details, and I'm ready to go.
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Old 10th June 2005, 01:59 PM   #30
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I look forward to hearing your oppinions on the different combinations -it sounds an interesting project!
Scott
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