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Multi-Way Conventional loudspeakers with crossovers

What would you do with these 6 drivers?
What would you do with these 6 drivers?
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Old 16th April 2018, 11:27 PM   #1
DaveFred is offline DaveFred  Canada
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Default What would you do with these 6 drivers?

Ever see some drivers that look good and you cannot pass up because the price is right? Well, I bought these six drivers for $200.00 USD.

Two SB Acoustics SB29RDC-C000-4 Tweeters

SB29RDC-C000-4 :: SB Acoustics

and

Four Tymphany Peerless HDS Nomex Woofers 830869 Woofers

Driver Detail | Tymphany

I think the ideal use for them would be in a ported 2-1/2 cubic foot floor standing speaker in a 2.5 configuration, but I don't have the space for that.

So, I am thinking about a ported isobaric 2 way system in a ~0.65 cubic foot box,

or a sealed 2.5 way in a ~1 cubic foot box.

What would you make with these if you wanted a box ~ 1 cubic foot or less?

These will be used with a sub woofer.
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Old 17th April 2018, 12:11 AM   #2
jrh0516 is offline jrh0516  United States
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Horn loaded tweeter, MT in 38 liters. Buy some more tweeters
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Old 17th April 2018, 12:30 AM   #3
5th element is offline 5th element  United Kingdom
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Add in an 8" waveguide.

You can see some stuff with the neo version of that tweeter Feb 5th on Zaphs blog

Zaph|Audio

Build a TMM, crossover at about 1700Hz for a decent directivity match. Preferably crossing as low as is possible, whilst maintaining a good directivity match to help the vertical off axis.
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Old 17th April 2018, 12:33 AM   #4
5th element is offline 5th element  United Kingdom
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Looks like someone did something similar here...

pics of my 8"/1"+WG 2-way plus crossover - Techtalk Speaker Building, Audio, Video Discussion Forum
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Old 17th April 2018, 04:28 AM   #5
TMM is offline TMM  Australia
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The SB29 worked pretty well in a Visaton WG148R 6.5" waveguide for me. The fitment is a little funky because the mouth of the wg is a little too small and the SB29 faceplate is not flat. I just put a foam gasket on the faceplate to seal it against the wg and it seemed to work well. Could cross at ~1.4kHz LR4. I suspect milling the waveguide down until the mouth is at the correct diameter may perform even better.
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Old 17th April 2018, 05:04 AM   #6
eriksquires is offline eriksquires  United States
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Oh, these are really nice!

How about a 2.5 way? TMM ? or a D'Appolito ?
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Old 17th April 2018, 05:14 AM   #7
eriksquires is offline eriksquires  United States
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Here's a similar woofer used with multiple different tweeters:

Peerless HDS PPB 830860
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Old 17th April 2018, 06:16 AM   #8
Bill poster is offline Bill poster  Thailand
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I'd add mid's. Make a sonus faber type design
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