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Open Baffle Epiphany!

... and at the other end of the spectrum :-)
Some profoundly quick n dirty test baffles I "built" for testing 8" "fullrange" drivers a coupla weeks ago. Do they sound great? No. Do they image like mofos as a stereo pair? You betcha.

DSC_3760 by Mark Hardy, on Flickr

Note the audiophile approved clipleads and gen-u-ine New Hampsha granite counterbalance rocks -- nothing but the best.

DSC_3770 by Mark Hardy, on Flickr
DSC_3773 by Mark Hardy, on Flickr
 
... and at the other end of the spectrum :-)
Some profoundly quick n dirty test baffles I "built" for testing 8" "fullrange" drivers a coupla weeks ago. Do they sound great? No. Do they image like mofos as a stereo pair? You betcha.
Note the audiophile approved clipleads and gen-u-ine New Hampsha granite counterbalance rocks -- nothing but the best.

...and why not? Something missing?
 
I'm no expert but I'm thinking the narrow baffle on those things can't be doin' much to help the reproduction of LF content. :scratch2:

Also considering where it was used (in 3 way systems) it's more of a wide range mid. No earth-shaking lows here:D
I was just wondering about the quality of sound that it does reproduce actually.
 
Ah, I see...not familiar with that particular driver.

Well, the poor things sure have a high bar to meet...the kings of mid range are sitting right next to them.
 
... and at the other end of the spectrum :-)
Some profoundly quick n dirty test baffles I "built" for testing 8" "fullrange" drivers a coupla weeks ago. Do they sound great? No. Do they image like mofos as a stereo pair? You betcha.

Looking good to me. What about the BIG baffles? Have you posted earlier about building those?
 
... and at the other end of the spectrum :-)
Some profoundly quick n dirty test baffles I "built" for testing 8" "fullrange" drivers a coupla weeks ago. Do they sound great? No. Do they image like mofos as a stereo pair? You betcha.

DSC_3760 by Mark Hardy, on Flickr

Note the audiophile approved clipleads and gen-u-ine New Hampsha granite counterbalance rocks -- nothing but the best.

DSC_3770 by Mark Hardy, on Flickr
DSC_3773 by Mark Hardy, on Flickr

Most cool.

I really like the 'New Hampsha granite counterbalance rocks'. Very 'chic'. ;)

If you are going to run the 8" by itself, have you considered the JE Labs design? I used that design with the University 6201 coaxials with great results.
 
The Duplexes are in Billfort's design vented cabinets -- and they're superb.
http://www.wardsweb.org/Billfort/

DSC_5735 by Mark Hardy, on Flickr

The LS-8 was sold as a 'fullrange' driver by EV -- it is capable of very pleasant broadband performance appropriately baffled, but obviously these baffles are (way) too small. They sound thin and even a bit nasal off axis, but they're actually pretty beguiling on-axis. They do indeed make bitchen midranges, as EV themselves used them in, e.g, the original version of the Esquire loudspeaker system.


EV Esquire noflash by Mark Hardy, on Flickr

The LS-8 works pretty well in EV's (original version) Coronet enclosure -- but that's another subject entirely...

EV Coronet by Mark Hardy, on Flickr
 
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Steppin' up the plate again.

Details here....

http://www.audiokarma.org/forums/showthread.php?p=8825195#post8825195

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Got yesterday a set of Electro Voice MC8 driver in the mail to replace the ringing mid horn which drove me nuts with the lisp it produced with some singers.

Now the mids are behaving miss you better and the lisp is gone. Here version version 2.1

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Still thinking about changing the crossover a little bit or even go 3.5way by with a lower crossing at 800Hz instead of 1500Hz to let the MC8 coming lower. At the moment it works only from 1500 to 5000 Hz. It would take more of the upper frequencies from the Eminence away since that seems to become very dominant from 800 upwards.


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Ordered 4 of these 10" Titan buy out woofers from Parts Express. The fact that they're suitable for free air with a high Qts. of 1.41 got me interested but the $13 price tag is what sold me. They're 8 ohm which means I can drive them paralleled with a cheap plate amp. I'm thinking I might try them in the smaller double H-bombs. If they don't work out I'm not out much and PE does have a liberal return policy.

http://www.parts-express.com/titan-10-paper-cone-foam-surround-woofer-8-ohm--299-1008
 
H-Bomb sounds good :-)

I was wondering in regard to H frames if the woofer in them really needs to stand upright or if it could be mounted in a 45 degree angle firing slightly upwards or downwards in the frame. Would this feminist output SPL? I'm asking this because this would reduce height of the H frame a little and would make it more appealing for a lower speaker height when mounting the HF part above Oma baffle. Have you ever tried that?
 
Ordered 4 of these 10" Titan buy out woofers from Parts Express. The fact that they're suitable for free air with a high Qts. of 1.41 got me interested but the $13 price tag is what sold me. They're 8 ohm which means I can drive them paralleled with a cheap plate amp. I'm thinking I might try them in the smaller double H-bombs. If they don't work out I'm not out much and PE does have a liberal return policy.



http://www.parts-express.com/titan-10-paper-cone-foam-surround-woofer-8-ohm--299-1008


Nice, PG. I enjoy reading about how you always work to bring new OB ideas to AK and also how you show the community how to get really good sound without having to break the bank. Well done! :yes:
 
H-Bomb sounds good :-)

I was wondering in regard to H frames if the woofer in them really needs to stand upright or if it could be mounted in a 45 degree angle firing slightly upwards or downwards in the frame. Would this feminist output SPL? I'm asking this because this would reduce height of the H frame a little and would make it more appealing for a lower speaker height when mounting the HF part above Oma baffle. Have you ever tried that?

You might want to take a look at slot loaded. Here are the other types.

http://www.hifizine.com/2012/12/subwoofer-origami/
 
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