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Multi-Way Conventional loudspeakers with crossovers

DIY PMC MB2 clone
DIY PMC MB2 clone
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Old 30th October 2017, 10:23 AM   #111
RudeWolf is offline RudeWolf  Latvia
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Location: Riga
You don't need IIR to do zero latency. FIR architectures can be made in zero-latency, in which case they'll introduce phase shift.

Lake Contour 26D seems like a pretty feature rich option. Have you got any experience with it? I'm afraid it might be overkill for integrating a 3-way speaker.

Have you considered using a good multichannel AD/DA interface hooked to a MacMini? Set up all the routing via say Reaper and do filtering with regular plug-ins. I use an RME ADI-2 PRO hooked to a computer which does all the processing.

P.S. Steep linear phase filters will require a ton of taps and thus will introduce a ton of delay.
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Old 3rd November 2017, 01:43 PM   #112
WalterPPK is offline WalterPPK  Netherlands
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I read this article Seems like a good device and maybe it's a little bit overkill but the second hand price is the same as the opendrc-da8.

Salvaged some sheepswool out of a B&W DM6

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Old 3rd November 2017, 03:31 PM   #113
Charles Darwin is offline Charles Darwin  United Kingdom
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Quote:
Originally Posted by RudeWolf View Post
P.S. Steep linear phase filters will require a ton of taps and thus will introduce a ton of delay.
Indeed.

I should have said linear phase rather than FIR in my earlier post.

My mistake.
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Old 7th November 2017, 06:17 PM   #114
WalterPPK is offline WalterPPK  Netherlands
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Painting the cabs is coming along painfully. We bought a secondhand Lake contour 26D for the filter job.
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Old 7th November 2017, 07:55 PM   #115
Charles Darwin is offline Charles Darwin  United Kingdom
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That should do the trick.
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Old 10th November 2017, 11:37 AM   #116
WalterPPK is offline WalterPPK  Netherlands
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Finished spray painting the cabs yesterday. First a week drytime to be sure the paint is hardened.
Next stop is gluing the reflex ports.

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Old 10th November 2017, 11:46 AM   #117
Charles Darwin is offline Charles Darwin  United Kingdom
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Looking good, Walter!
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Old 10th November 2017, 11:52 AM   #118
WalterPPK is offline WalterPPK  Netherlands
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Thanks Charles! The paint didn't turn out super deep black but I'm happy with the result. the drivers are also not deep black so it's a good match.
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Old 16th November 2017, 05:17 PM   #119
WalterPPK is offline WalterPPK  Netherlands
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Today I mounted the terminal plates put damping sheets against the walls and glued the bass reflex pipes.

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Last edited by WalterPPK; 16th November 2017 at 05:25 PM.
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Old 23rd November 2017, 03:14 PM   #120
hugo stiglitz is offline hugo stiglitz  Germany
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Quote:
Originally Posted by wae View Post
I may post a new thread of these designs, ALSO found a nice theoretical design methodology for this damping questions (WHERE to place HOW MUCh of WHAT).
can you share these info? .. currently building a TL and the damping seems the most sophisticated part of it all
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