Ascendant 6.5" midrange

chAse · 13th March 2006, 10:52 PM

I am doing a design using the new Ascendant Audio 6.5" poly midrange, specs here: http://www.ascendantaudio.com/poly_6.5_page.html

I was wondering what you guys think would be a good box size and tuning point for this driver. Its going to be a vented design with a 2" flared port and I have a max of 1.2 cu. ft. to work with. I was going to do something around 1 cube tuned to around 40hz, but I thought I would look a little closer at the design before I get past the no return point of setting the box volume. I will likely use it with a sub, but would like to have decent in-room extension in case I need to run them by themselves.
Yes, I know what WinISD and all typical box calculators tell me in terms of box size, just looking for input from some actual brains.
Thanks

merlinx76 · 14th March 2006, 04:01 AM

They just caught my eye on ascendant audio's website. Ascendant Audio seems to have good prices all around. Especially the assassin subs... At least at the introductory price.

Lionel · 14th March 2006, 12:08 PM

Too much superlatives in the description.
BTW, IMHO, the frequency response has been hardly "smoothed".

T2T · 14th March 2006, 02:49 PM

Quote:

Originally posted by Lionel

Too much superlatives in the description.
BTW, IMHO, the frequency response has been hardly "smoothed".

I'm in agreement there. I think it would be best to use one of the "tried and true" 6.5" products at the moment. That is ... unless, you want to be our guinea pig.

chAse · 14th March 2006, 03:02 PM

The drivers are already bought

Ill let you know what I think once they are finished, since nobody else has said much on these. The price/performance looks pretty good at least. I need to look some more at the box design, Im thinking that I might reduce the volume a bit, down towards 0.75 cubes or so.

chAse · 14th March 2006, 04:43 PM

So now looking at the box design a bit more, I think that if I stick to the 0.75 cu. ft. volume, I would like to tune it fairly low (36 hz) to keep the in-room response from getting peaky around 40-50. Anyone see any problems with tuning much below Fs?

reins · 14th March 2006, 04:56 PM

Quote:

Originally posted by Lionel

Too much superlatives in the description.
BTW, IMHO, the frequency response has been hardly "smoothed".

I find interesting that this kind of company talk of ultra low distortion but never publish any measurements

Stephan

chAse · 14th March 2006, 05:33 PM

Yes, it would be great to have better FR graphs, but trying to get any substantive info out of these guys has been very difficult.

Nemophyle · 14th March 2006, 10:10 PM

For 35$, poly woofer with alu phase plug, copper shorting ring, cast basket, powerfull motor based on a technology very similar to XBL^2 (assuming they use the same kind of motors they use in their subs), i'd say you in fact can't go wrong. If the driver do an half of what it should, you already have done a good investment.

chAse · 14th March 2006, 10:38 PM

Well that was my thoughts, there just arent comparable woofers at that price point. The extremis is about 3 times as much, and even it has some characteristics that I dont really like to have to deal with.
I needed a woofer that could reach down fairly low, while not having any nasty breakup in the typical crossover region. While Im not sure about this driver due to the lack of information, I still am taking a shot with it due to its value.

Im still a bit stuck on box tuning, and not having great information doesnt help much, as well as not knowing exactly what room these will be placed in. My bedroom is very small (12x10) but if I move and run them in a large room I dont want them to be overly rolled off. Neither do I want them to be extremely peaky in the middle bass region. I dont really plan on running these with an EQ, so they need to be fairly flat out of the box.

13th March 2006, 10:52 PM	#1
chAse diyAudio Member Join Date: Jan 2005 Location: Chicago	Ascendant 6.5" midrange I am doing a design using the new Ascendant Audio 6.5" poly midrange, specs here: http://www.ascendantaudio.com/poly_6.5_page.html I was wondering what you guys think would be a good box size and tuning point for this driver. Its going to be a vented design with a 2" flared port and I have a max of 1.2 cu. ft. to work with. I was going to do something around 1 cube tuned to around 40hz, but I thought I would look a little closer at the design before I get past the no return point of setting the box volume. I will likely use it with a sub, but would like to have decent in-room extension in case I need to run them by themselves. Yes, I know what WinISD and all typical box calculators tell me in terms of box size, just looking for input from some actual brains. Thanks

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14th March 2006, 04:01 AM	#2
merlinx76 diyAudio Member Join Date: Nov 2004 Location: The Sticks, NS	They just caught my eye on ascendant audio's website. Ascendant Audio seems to have good prices all around. Especially the assassin subs... At least at the introductory price.

14th March 2006, 12:08 PM	#3
Lionel diyAudio Member Join Date: Jan 2004 Location: Saint Etienne	Too much superlatives in the description. BTW, IMHO, the frequency response has been hardly "smoothed".

14th March 2006, 03:02 PM	#5
chAse diyAudio Member Join Date: Jan 2005 Location: Chicago	The drivers are already bought Ill let you know what I think once they are finished, since nobody else has said much on these. The price/performance looks pretty good at least. I need to look some more at the box design, Im thinking that I might reduce the volume a bit, down towards 0.75 cubes or so.

14th March 2006, 04:43 PM	#6
chAse diyAudio Member Join Date: Jan 2005 Location: Chicago	So now looking at the box design a bit more, I think that if I stick to the 0.75 cu. ft. volume, I would like to tune it fairly low (36 hz) to keep the in-room response from getting peaky around 40-50. Anyone see any problems with tuning much below Fs?

14th March 2006, 05:33 PM	#8
chAse diyAudio Member Join Date: Jan 2005 Location: Chicago	Yes, it would be great to have better FR graphs, but trying to get any substantive info out of these guys has been very difficult.

14th March 2006, 10:10 PM	#9
Nemophyle diyAudio Member Join Date: Sep 2004 Location: paris	For 35$, poly woofer with alu phase plug, copper shorting ring, cast basket, powerfull motor based on a technology very similar to XBL^2 (assuming they use the same kind of motors they use in their subs), i'd say you in fact can't go wrong. If the driver do an half of what it should, you already have done a good investment.

14th March 2006, 10:38 PM	#10
chAse diyAudio Member Join Date: Jan 2005 Location: Chicago	Well that was my thoughts, there just arent comparable woofers at that price point. The extremis is about 3 times as much, and even it has some characteristics that I dont really like to have to deal with. I needed a woofer that could reach down fairly low, while not having any nasty breakup in the typical crossover region. While Im not sure about this driver due to the lack of information, I still am taking a shot with it due to its value. Im still a bit stuck on box tuning, and not having great information doesnt help much, as well as not knowing exactly what room these will be placed in. My bedroom is very small (12x10) but if I move and run them in a large room I dont want them to be overly rolled off. Neither do I want them to be extremely peaky in the middle bass region. I dont really plan on running these with an EQ, so they need to be fairly flat out of the box.

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