Manger MSW and Eton 11-581/50 HEX Plans - Page 3 - diyAudio
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Old 15th March 2004, 01:52 PM   #21
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superstition:

The audio-elevation woofer is not what I count to the exhaust types, it is basically a dipole.

suranjan:

There are in fact many speakers with a flatter amplitude-response than an MSW-based design. But most of these are worse in temporal behaviour. So it is as always : There's no free lunch.

Regards

Charles
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Old 15th March 2004, 02:21 PM   #22
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Quote:
By looking at Calebay's (thread starter) plan and Charles' warning regarding designs with an "exhaust" you will get an idea what I mean.
there is no exhaust - its a closed 70-75 liter box and the eton 11" works to perfection in such a box.......

btw i agree about the higher xover frequency - my guess would also be about 300 hz.......and if you insist of a diy speaker this project is imho alot easier to get to work than most others.....!

its not my project - i just like it alot.....i use ATC scm100sl - the best IMHO........
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Old 15th March 2004, 02:49 PM   #23
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Quote:
there is no exhaust - its a closed 70-75 liter box and the eton 11" works to perfection in such a box.......
You are right, my fault, sorry.

Quote:
btw i agree about the higher xover frequency - my guess would also be about 300 hz
It's around 350Hz for all Zerobox designs and I guess this will be a good starting point for other designs too.

Quote:
The audio-elevation woofer is not what I count to the exhaust types, it is basically a dipole.
Charles: Any other comment/experience regarding the audio-elevation sub? This one is high on my future project list (together with a wide baffle like the Manger Diskus).
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Old 15th March 2004, 04:15 PM   #24
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It's around 350Hz for all Zerobox designs and I guess this will be a good starting point for other designs too.
yes it will, but as i mentioned ealier - calebay will be using the rane xover to start with and therefore he will be able to tune the hole thing pretty easy....and get reasonable sound right away.....
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Old 16th March 2004, 05:46 AM   #25
navin is offline navin  India
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i think the 109 is a fantastic speaker. i have only my ears as a judge. in fact it is the manger than made me think of full ranges as an alternate solution. i spent 2 wonderful days with the manger (NAD silverline electronics) thanks to Khushroo.

I too wondered what the Manger would do coupled to a "better" bigger woofer (Scan Speak 10" http://www.d-s-t.com/scs/data/26w_8861t00a.htm ) . Khushroo told me that Manger does not recomend using a larger woofer with the manger. What might be an option however is to use a the same 8" in a TL.
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Old 16th March 2004, 05:58 AM   #26
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What might be an option however is to use a the same 8" in a TL.
There we go again: EXHAUST !!!!!

Regards

Charles
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Old 16th March 2004, 06:13 AM   #27
navin is offline navin  India
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drivers I was told that will also mate well are the Peerless CSX/HDS 8" woofers but the SS 8" was chosen as it went lower.
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Old 16th March 2004, 06:49 AM   #28
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The Perless HDS driver was one that I had in mind too. I also had a look at the 8" drivers of Eton.
For the first prototype (that is still in use) I went with a Dynaudio 20W75 that I had on stock.
Since this one has a rather limited Vd I went for an "almost Dynaudio" (I am a fan of these) driver: Audiotechnology of Denmark.
Because I don't have that much spare-time things go veeery slow. So the prototype-case for this one is not completely finished yet, but I hope it will be by the end of this month.

And yes, it will be a closed box of course !

Regards

Chalres
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Old 16th March 2004, 01:11 PM   #29
SineEra is offline SineEra  United Kingdom
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Default Eton 11" Driver

This driver is used in the well respected Avalon Eidiolon speakers and there it is vented and has a x-over of 350Hz.

check out Martin Colloms (smart guy) review for Hi-Fi news

http://www.avalonacoustics.com/news.html

His book is a good but very technical read (degree level)

http://www.amazon.com/exec/obidos/tg...47923?v=glance

Simon
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Old 16th March 2004, 01:52 PM   #30
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This driver is used in the well respected Avalon Eidiolon
yes, this driver sounds very good......! those flimsy 6 - 8" midbass units hasn't got a chance.....and its price is fair too...
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