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Waveguides and horns

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Patrick Bateman

Patrick Bateman

Member
Joined 2006
noah katz said:
How so?

The directivity variation w/freq is nice and smooth, but decreasing, i.e. not CD.
Click to expand...

I've messed around with ribbons on waveguides, and found a couple of issues. First, they blow up quickly. Second, the response usually looks like what you see with the larger ribbon from yesterday's post. Basically, at high frequency there's a lot of peaks and dips on and off-axis.

This is because of the geometry of the ribbon. Due to the large size, we're getting peaks.

So the performance of the LCY ribbon is exemplary. I imagine it's due to the small size of the ribbon and the excellent geometry of the horn.

As far as it NOT being constant directivity, I wouldn't expect it to be. It's not a CD horn.

I think that ribbons are attractive as a source for waveguides and horns, as the last octave tends to sound cleaner than a compression driver, due to the very good CSD.

 
J

jzagaja

Member
Joined 2004
instagram.com/stettinerhorn/
Ribbon versus ringradiator (JMLC-1000).
 

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D

Donovad

Member
Joined 2007
Current Pricing for Group Buy

Ive been away from this thread for a bit so please forgive me if i missed an earlier post with explanations.
Is there a current pricelist for the group buy that includes new waveguides/horns like the EJMLC-600 ?
Or does the DIY Soundgroup website reflect the current pricing ?

And just for kicks, anyone care to comment on how the JMLC-200 would work with a fullrange driver like the Fostex F200a ?
I just happen to have a pair that need a new/interesting home.

Thanks all,

Daniel
 
J

jzagaja

Member
Joined 2004
instagram.com/stettinerhorn/
Donovad said:
Is there a current pricelist for the group buy that includes new waveguides/horns like the EJMLC-600 ?
Click to expand...

Please send email to diysoundgroup.


And just for kicks, anyone care to comment on how the JMLC-200 would work with a fullrange driver like the Fostex F200a ?
Click to expand...

See hornresp simulation.
 

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