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Old 23rd September 2007, 07:46 AM   #631
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Quote:
Originally posted by scottwilko
here are my steel buschorns more pics coming soon
It will be very interesting to see how the steel works out. What drovers are you planning on using?

dave
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Old 23rd September 2007, 08:03 AM   #632
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Default Multilayer fullrange lsp

Hi,

I'm very interested in fullrange lsp and browsed the internet for information.

This is what I found Tangband company has a small fullrange lsp a backloaded horn design which is build of sheets machined in a cnc router has anybody the formula for this kind of loudspeakers.
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Old 23rd September 2007, 08:10 AM   #633
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FE108ez ,i have not ordered them yet ,but ive been running them with some 3'' magnats and they sound incredible ,i have a pair of the original MKII and they just sound so "boxy" when compared to the steel ones .i will keep you posted
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Old 23rd September 2007, 05:41 PM   #634
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If your experience is the same as mine with steel enclosures this will come in handy:

- constrained layer damping back side of baffle
- driver isolated on O-ring
- tapped front baffle and nylon driver mounting screws
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Old 23rd September 2007, 06:49 PM   #635
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Default Re: Multilayer fullrange lsp

Quote:
Originally posted by kamskoma
Tangband company has a small fullrange lsp a backloaded horn design
Calling those horns is a big stretch...

dave
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Old 27th September 2007, 12:50 PM   #636
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Default CNC and loudspeaker cabinettes

My needs is how to make the drawing in a cad software, how to get the right design, maybe some software is availble.

I have a small cnc router and it would be nice to do some experiments before I go to a BIGGER cnc router.

Kamskoma
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Old 27th September 2007, 06:08 PM   #637
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Default Re: CNC and loudspeaker cabinettes

Quote:
Originally posted by kamskoma
My needs is how to make the drawing in a cad software, how to get the right design, maybe some software is availble.
I'm happy to provide any of the CAD drawings i've done (you'll find these on any of my 3 websites (and some scattered on various forums) -- all will be denoted by "drawn by dld"

dave
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Old 30th September 2007, 08:36 AM   #638
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My life, my horn.
Object of continuous search.
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Old 3rd October 2007, 03:39 PM   #639
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Quote:
Originally posted by Geoff H
I've used single screws on phase plugs with success. It helps if the screw is recessed into the plug by a few thou.
....
I've tried again with something else...

Here are some pictures:

Click the image to open in full size.
It's made of a piece of aluminum tube. I stuffed some EVA foam into it and fixed the foam with some glue.


Click the image to open in full size.
It protrudes a little. I cut 4 breaches on the "tip", hoping to have some diffraction, since I can not make a shape of "bullet head"...


Click the image to open in full size.
This was the failed one. It might not be easily seen, but it actually tilted against the voice coil former.

Click the image to open in full size.

Click the image to open in full size.

These 2 are old vs new.


OK, well, fixing problem is solved, how is the sound?

I don't like it, TBH.

Without the plug, the treble is already very clean and smooth. Overall balance is very good.

With the plug in place, there would be slightly too much exiting leading edge to the sound. And the balance is too bright to my taste.

So I leave it without plug now. It seems all the efforts are all in vain.
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Old 3rd October 2007, 04:39 PM   #640
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You can still try with bullet shaped phase plugs...

Gastón
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