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Old 26th March 2013, 02:47 PM   #11
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Originally Posted by mrduke View Post
Ok, then it is almost time to place some orders!
I'm interested in how this turns out for you. The Alpha 6A doesn't strike me as a driver that will work well for midbass duty. Fs is a bit too high for my liking. I'd be tempted to look at using the B&C 6NDL44 instead. It's a much more expensive driver, but the lower Fs and higher Xmax should make it more suitable for loud midbass duty.
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Old 27th March 2013, 08:00 AM   #12
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Originally Posted by chris661 View Post
Just converted it to 3D and added dimensions.

You'll need the two side-panels, but its easy to get a cutlist from this.


I'm split between building this and a smaller ported box. Decisions...

Chris
Oh, thanks! Great! I think I need to revise my statement that I "learned" sketchup. Wrong tense, it should be "started to learn".
I'm happy if you try this design, but it does not come with any warranty. It is my first TH design you know
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Old 27th March 2013, 08:09 AM   #13
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Originally Posted by Brian Steele View Post
I'm interested in how this turns out for you. The Alpha 6A doesn't strike me as a driver that will work well for midbass duty. Fs is a bit too high for my liking. I'd be tempted to look at using the B&C 6NDL44 instead. It's a much more expensive driver, but the lower Fs and higher Xmax should make it more suitable for loud midbass duty.
Yeah, I agree regarding the Fs but hornresp seems to be ok with it. I hope I have not made any major mistakes.
Actually one of the candidates I had from the beginning was the 6NDL38 which is fairly similar to the 6NDL44, but both of those are 8 Ohms drivers. The chip (TAA4100A) I'm planning to use gives almost the double output into 4 Ohms, so even though the B&C drivers models better the system max SPL will be almost the same and then the price difference is hard to justify!
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Old 27th March 2013, 10:49 AM   #14
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Originally Posted by mrduke View Post
Oh, thanks! Great! I think I need to revise my statement that I "learned" sketchup. Wrong tense, it should be "started to learn".
I'm happy if you try this design, but it does not come with any warranty. It is my first TH design you know
There's some 9mm MDF at home (I'm at uni atm). If the pieces fit on that, I might well build it - its not perfect for my driver, but its not miles off either.

There are Sketchup tutorials online. IMO, its worth spending half an hour learning how to use it.

Chris
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