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Old 21st April 2005, 08:43 AM   #21
jdybnis is offline jdybnis  United States
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What's that tweeter? I'm curious to know what you found that can live up to that mid and woofer.
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Old 21st April 2005, 09:24 AM   #22
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Quote:
Originally posted by meil


http://home25.inet.tele.dk/meil/at.jpg
http://home25.inet.tele.dk/meil/flex_6.jpg
Only the small one are mine.
dude... wicked...
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Old 21st April 2005, 02:26 PM   #23
meil is offline meil  Denmark
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Quote:
Originally posted by jdybnis
What's that tweeter? I'm curious to know what you found that can live up to that mid and woofer.

Nothing special just a Scan Speak Revelator.

Se filter
http://home25.inet.tele.dk/meil/m5_filter.gif
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Old 14th May 2005, 01:28 AM   #24
AJinFLA is offline AJinFLA  United States
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Default Found my driver

I found what I was looking for by widening my search outside of Home and Pro drivers. I completely forgot that while Dynaudio has ceased producing drivers for the Home DIY market, they continue to sell Car speakers. I recently acquired a pair of MW180's, one has been sent of to Mark K for testing, the other I will begin to test myself for open baffle use. Mark's testing will be much more comprehensive than mine. A link to his pages is below. Great reading if you haven't done so already. My current midbass is the W22 (used in the Orion). It will be a while before either of us post any results, but I will do my best. I thank all the members who posted replies. Meil, I may yet end up buying custom Audio Tech drivers, but these will do for now.

http://www.dynaudio.de/eng/mobile/pd.../DYN_MW180.pdf

http://206.13.113.199/ncdiyaudio/mark/index.htm

Cheers

AJ
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Old 14th May 2005, 09:07 PM   #25
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those are really nice drivers. I hear people rave about dyn in the car audio world. I wish I could get a chance to listen to them....alas, no dealers in my state...
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Old 14th May 2005, 11:10 PM   #26
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Quote:
Originally posted by meil



Nothing special just a Scan Speak Revelator.

Se filter
http://home25.inet.tele.dk/meil/m5_filter.gif
To some people a scan Rev is something special OK its nothing new, but it is still one of the best tweets you can buy.

I bet that SS ATC AT sounds amazing.
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Old 15th May 2005, 05:32 AM   #27
meil is offline meil  Denmark
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Thanks.

Yes they do sound great. One thing you canít see is the PR on the back. Iím using an old TDL woofer as PR. (Like Sonus Faber Extrema)

I have lived with those speakers for many years now and I love what they are doing. But at the same time Iím a DIY speaker builder but I have trouble coming up with a new and better system.

I have bought some SS R29, C-Quenze 15H, Peerless XLS 10Ē just to be inspired but I havenít found what I want to build yet.

Meil
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Old 15th May 2005, 02:16 PM   #28
AJinFLA is offline AJinFLA  United States
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Default Inspiration

Hi Meil,

about the only thing I would recommend, seeing that you are using some of the finest drivers available, is that IF you have the space, consider an open baffle design. Once you "escape" the box, you will understand. I did and now there is no going back.
I'm sure you've seen this site. A wealth of knowledge.
http://www.linkwitzlab.com/
This gentleman explains it much like I would.
http://www.doddsy.net/steve6_009.htm
My previous speaker collection doesn't quite match his, but I've owned some hi-end box and planar/ribbon type (B&W 801 and Apogee to name a few) speakers before going DIY. A dynamic driver open baffle design takes the very best attributes of each and rolls it all into one. I am in 100% agreement with Steve as far as this is concerned. Even if your latest driver selection doesn't quite make for an Orion type design, some thing like this may be a compromise.
http://home1.stofanet.dk/troels.gravesen/
And by "compromise" I mean that once you hear the clarity and boxless sound of dipole OB bass - you will understand.
His point 75 design uses a 15cm mid like your C-Quence.
Just my thoughts. Again it depends heavily on if you can place the speakers well out into the room when listening.

Thanks again

AJ
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Old 15th May 2005, 02:34 PM   #29
meil is offline meil  Denmark
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Hi AJ, and thanks for your inspirations.

Open baffle has been in my considerations many times. But Iím a little conservative when it comes to open baffle. (I have never heard one (my mistake))
And I like my music loud.

Nice speaker you have built. I like the idea of using martial that is transparent to the eye.
What tweeter are you using?

I have visit SL and Troels site many times.

Meil
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Old 15th May 2005, 05:35 PM   #30
AJinFLA is offline AJinFLA  United States
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The tweeter is a Vifa XT-19 loaded by a conical constant directivity waveguide 6.5" in dia. (or low gain horn if you will). Amphion uses this approach, but a good technical analysis can be found here.
http://www.4sptech.com/
These are great sounding box speakers (originally intended for Studio use where OB would be impractical).
I was working on modifying the rear chamber of the XT to lower it's Fs, but I have decided to go in another direction. This speaker seems to have the off-axis dispersion (at the very top) that I like, along with (seemingly) good low end performance (another must for me since I favor the lowest practical XO).
http://www.d-s-t.com/link/scs/data/d2904_710000a.htm
When I get them, I (or hopefully Mark K) will do some testing. Practically no info other than the DST site right now. Doesn't seem to be used much although it looks fantastic to me (on paper). We will see.
BTW my OB's will play at concert levels without strain (just ask my neighbors ) The sub by the stairway is a Rhythmik Audio Servo Sub. LOTS of low distortion bass. Its used to limit the excursion and distortion of the (4)XLS(12s!) which is the one weakness of OB - high SPL/low distortion at 20-30hz. Not much there with most music, but I'd rather have it and not need it, than need it and not have it.

Cheers

AJ
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