Best chamber size for Jordan JX125 / JX150 - diyAudio
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Old 11th May 2005, 05:46 PM   #1
kubi is offline kubi  Germany
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Default Best chamber size for Jordan JX125 / JX150

Hey !

After building all kind of gear for years, I want to have a try on speakers for my living room now. The choise is Jordans JX53 in a small housing (sealed) plus JX125 or JX150 in a bigger seperate housing (vented).
According to my calculations the volume of the chambers has to be almost 80l for the JX125 and 120l for the JX150 to get down to 25Hz. Did I calculate something wrong or this really the size to go for?
I've seen some designs with this drivers combination around all in 30 to 60l housings, so I guess their trade off is the freq resp at the bottom, right?

Thanks in advance!
kubi
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Old 11th May 2005, 06:08 PM   #2
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Default Re: Best chamber size for Jordan JX125 / JX150

Quote:
Originally posted by kubi
JX125 or JX150
Do you have these drivers, or know where to get them? They're no longer being manufactured and as far as I know they are no longer offered for sale anywhere.
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Old 11th May 2005, 06:16 PM   #3
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Dave is selling a pair of Jx150, only if I have the cash!!!!
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Old 11th May 2005, 06:21 PM   #4
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Quote:
Originally posted by chris ma
Dave is selling a pair of Jx150, only if I have the cash!!!!
When I inquired a couple of months ago, he told me they were sold.
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Old 12th May 2005, 12:42 AM   #5
soongsc is offline soongsc  Taiwan
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Default Re: Best chamber size for Jordan JX125 / JX150

Quote:
Originally posted by kubi
Hey !

After building all kind of gear for years, I want to have a try on speakers for my living room now. The choise is Jordans JX53 in a small housing (sealed) plus JX125 or JX150 in a bigger seperate housing (vented).
According to my calculations the volume of the chambers has to be almost 80l for the JX125 and 120l for the JX150 to get down to 25Hz. Did I calculate something wrong or this really the size to go for?
I've seen some designs with this drivers combination around all in 30 to 60l housings, so I guess their trade off is the freq resp at the bottom, right?

Thanks in advance!
kubi
I would recommend the JX125 for one JX53 and the JX150 for the arrayed JX53. I dont recall that the enclosures have to be that big, I think it's around 27 liters for the JX125.

If we request for them, it might be possible to get them back into production. These are really good drivers to mate with the JX53.
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Old 12th May 2005, 12:51 AM   #6
soongsc is offline soongsc  Taiwan
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Default Re: Re: Best chamber size for Jordan JX125 / JX150

Quote:
Originally posted by audiobomber


Do you have these drivers, or know where to get them? They're no longer being manufactured and as far as I know they are no longer offered for sale anywhere.
I think if you go to the E. J. Jordan site, they might have a few JX150 left, but you need to be quick.

I got some JX125 from Hifisound in Germany about 5 months ago.
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Old 12th May 2005, 03:21 AM   #7
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Quote:
Originally posted by chris ma
Dave is selling a pair of Jx150, only if I have the cash!!!!
gone to Seattle...
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Old 12th May 2005, 06:37 AM   #8
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My buddy in Switzerland (recently moved) has his JX150 in 72 litre sealed.

I have MJK based triangular TL drawings for both JX125 & JX150.

Both these devices are really quite stunning.

dave
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Old 12th May 2005, 06:51 AM   #9
soongsc is offline soongsc  Taiwan
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Quote:
Originally posted by planet10
My buddy in Switzerland (recently moved) has his JX150 in 72 litre sealed.

I have MJK based triangular TL drawings for both JX125 & JX150.

Both these devices are really quite stunning.

dave
I have the JX125 housed in about 18L boxes, just listening to organ music recorded in a church in Los Olivos. The low end is really stunning. I would not be surprised if these are being improved to be even better.
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Old 12th May 2005, 09:44 AM   #10
kubi is offline kubi  Germany
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Default Re: Re: Best chamber size for Jordan JX125 / JX150

Thanks for your replies, guys!

Quote:
Originally posted by audiobomber


Do you have these drivers, or know where to get them? They're no longer being manufactured and as far as I know they are no longer offered for sale anywhere.
I mailed some suppliers some weeks ago and some still had the JX125 and/or JX150 in stock. Well, that was some weeks ago, might be they don't have any left now

Quote:
Originally posted by planet10
My buddy in Switzerland (recently moved) has his JX150 in 72 litre sealed.



Originally posted by soongsc


I have the JX125 housed in about 18L boxes, just listening to organ music recorded in a church in Los Olivos. The low end is really stunning. I would not be surprised if these are being improved to be even better.
Is the low end satisfying?
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