Horn loaded dome midrange

[Norris Wilson]

Zilchlab,

What driver and horn in picture? Looks like 5" Altec midrange driver, but don't have a clue about horn?

Thanks!

 

[Flaesh]

(from another tread) 🙂 about low compression:

..smooth and easy on the ears compared to 10:1 compression ratios so common...

 

[Defo]

Maybe this one? With some eq over 10 khz it could work fullrange? 🙂 And I could just use a single cap at 10 khz or so to deal with the horn boost. Not to mention it would make for a very simple crossover with a well behaved woofer.

Bump

 

[Dr_EM]

i have that dayton. i wanted to throw it out as soon as i tried it. i suppose if you open it up, put some damping in the chamber then use a $3,000 FIR digital crossover with 300db/oct lowpass on it then it will sound quite good !

Assuming this is stock, which I am quite sure it is, it appears to have plenty of damening material inside!

http://www.speakerdesign.net/dayton_rs/midrange/rs52/images/rs52_chamber_sliced.jpg

It also maintains low distortion down to very reasonable frequencies for a dome this size:

Zaph|Audio

Only issue is the breakup, which is to be expected with a metal dome.


Interesting result loaded with the 10" waveguide, seems to attenuate a lot of the upper mid range response with respect to the rest though.

 

[ZilchLab]

Zilchlab,

What driver and horn in picture? Looks like 5" Altec midrange driver, but don't have a clue about horn?

Thanks!

6.5" Eminence closed-back midrange OEM'd by JBL:

http://www.jblproservice.com/pdf/PRX Series/PRX535.pdf

Waveguide's ~$16, as I recall....

 

[Norris Wilson]

6.5" Eminence closed-back midrange OEM'd by JBL:

http://www.jblproservice.com/pdf/PRX Series/PRX535.pdf

Waveguide's ~$16, as I recall....

Thanks, Any experimentation results with this driver waveguide combination?

Norris

 

[Defo]

I still wonder if the Tangband 50-1426SA could be used from 500hz and up in the horn below, with 6 db/octave HP at 15 khz or so to deal with the horn loading.

 

[ZilchLab]

Thanks, Any experimentation results with this driver waveguide combination?

Sure:

 

[Patrick Bateman]

i wonder if anybody except GOTO unit makes low midrange compression drivers ?

i would probably never buy GOTO unit even if i could afford it. it just looks like a rip off.

with drivers like Beyma TPL you pay for performance. it costs 10 times as much as a regular tweeter and it gives you 10 times the performance. same with a TAD compression driver.

but nobody seems to seriously approach compression midranges ...

?

The reason that it's not easy to buy a compression driver to cover the midrange is that it's a lot cheaper to simply build your own. For instance, you can spend $200-$1000 on a compression driver that will play down to 200hz. Or you can build your own for $20-$40.

For instance, the lowly Tangband W2-852SH makes a fine horn driver.

http://www.diyaudio.com/forums/multi-way/88237-suitable-midrange-cone-bandpass-mid-unity-horn-4.html

All the math you need to know can be found here:

Horn Theory

If you have any question on how to build a midrange horn, or horn load an array, let me know.