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Multi-Way Conventional loudspeakers with crossovers

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Old 23rd September 2012, 03:10 PM   #211
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Quote:
Originally Posted by Silent Screamer View Post
Thinking 2 x 96dB 10's is probably overkill, so mocked up a 10" and 18" cabinets.

Used this way each baffle plate would extend the other.

Green legs support tweeter - mids
Blue legs support mid woofer
Floor supports woofer
I would not run the 10" with any kind of slot restricting the output. It is running high enough that the slot may 'sound' bad. You can always start with flat baffles for the prototype and add a slotted piece over the front to see if you can hear a problem.

The problem with NOT using a pro driver for the 10" is that you will have a tough time finding a hi-fi driver with a sensitivity high enough to match the other drivers you've got. Don't be scared of the 'pro' thing. A good driver is a good driver regardless of the intended use. In the range you will use one, most any 10" is going to be flat. But if you must see the response, look here:

http://www.parts-express.com/pdf/294-679.pdf
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Old 23rd September 2012, 06:15 PM   #212
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Hi

Have you had a look at the drivers from french manufacturer PHL?

They sort of do a split between Pro and Hi-Fi

best regards

Uwe
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Old 24th September 2012, 02:07 AM   #213
puppet is offline puppet  United States
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Old 24th September 2012, 09:38 AM   #214
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Thanks guys for the suggestions I haven't really settled on anything yet, but I am quite keen to hear Goran’s opinion of the AT 10" here
AudioTechnology + RAAL Ribbon = "Sequence Three Ė Grand Reference"

Greg if it’s recommended no compressing of the driver for the 10", then I probably wouldn't bother with an upper cabinet, I would probably just do a free air hang like one of the earlier 4 way pics of natehansen66 back in post #44.

Also would mean the tweeter would be further away from a radiating surface.

Last edited by Silent Screamer; 24th September 2012 at 09:46 AM.
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Old 24th September 2012, 04:25 PM   #215
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Originally Posted by Silent Screamer View Post
Thanks guys for the suggestions I haven't really settled on anything yet, but I am quite keen to hear Goranís opinion of the AT 10" here
AudioTechnology + RAAL Ribbon = "Sequence Three Ė Grand Reference"

Greg if itís recommended no compressing of the driver for the 10", then I probably wouldn't bother with an upper cabinet, I would probably just do a free air hang like one of the earlier 4 way pics of natehansen66 back in post #44.

Also would mean the tweeter would be further away from a radiating surface.
And just run an H or U baffle around the TC 5100? Seems fine to me...
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Old 26th September 2012, 08:32 AM   #216
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The speakers are due to be delivered tomorrow... So just adding up the number to see what the total cost was.

That $1760 USD purchase (2 x $880) wound up being $2498.06 AU with all the taxes and fees added or $2586 USD.

That works out to be 2586 - 1760 = $826 USD in add ons.

Anyway I was figuring it would come in around $2500 AU, so I'm not surprised by the end bill.

While I wait for the new drivers to arrive I have been busy playing Sketch Up. While the test baffle will probably be quite basic I was looking at what might be possible with a bit of imagination.

Using the slice model spoken about earlier, I could potentially make the sub woofer walls as thick as I want i.e. if I want them to be 4" thick I just leave 8" between outside diameter and inside diameter.

Of course some kind of common sense would need to be applied as I have to move it...

So here they are the latest musings...
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Old 26th September 2012, 09:32 AM   #217
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Just wondering if this would be acceptable... By putting the 12MUs side by side instead of one on top of the other I can save about 150mm or 6".

This measures up at 130cms or 51.25", which is about as tall as I would prefer to go.
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Old 26th September 2012, 10:06 AM   #218
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Side by side arrangement will give you a very narrow dispersion (the higer the frequecy the worse it will get), so generally not a good idea.
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Old 26th September 2012, 10:10 AM   #219
hajj is offline hajj  Lebanon
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Quote:
Originally Posted by Kjeldsen View Post
Side by side arrangement will give you a very narrow dispersion (the higer the frequecy the worse it will get), so generally not a good idea.
Unless the low pass XO is low enough to avoid comb filtering...
Joining them with a panel shouldn't hurt either, but also as long as the diffraction is not objectionable
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Old 26th September 2012, 10:27 AM   #220
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Originally Posted by hajj View Post
Unless the low pass XO is low enough to avoid comb filtering...
Joining them with a panel shouldn't hurt either, but also as long as the diffraction is not objectionable
Looking to cross the mids over to the mid woofer around 1000hz.

Diffraction?
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