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SW-115 becomes reality.


Rippyman

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AND, I am, in fact, seriously considering buying a quad of these. So thank you for bringing this to my attention Big Smile

arrto, I am also considering the quad Empires along with the $3000 JTR Captivator S2 with dual 18" drivers, 4000 W RMS, DSP, class D amplifier in a sealed cabinet about the size of a Cornwall.

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I think the performance of the Epik may have been accidentally misstated. The Data-Bass website shows 124dB output at 125Hz, not 24Hz (CEA-2010 Max Burst).

Hi Artto,

Databass shows 105.8dB @ 25Hz for the Epik Empire, but that's at 2 meters, ground plane (outdoors). Klipsch reports their maximum output at 1 meter, 1/8th space (corner loaded). In order to convert, you need to add 6dB for going from 2 meters to one meter, and an additional 12dB to go from 1/2 space to 1/8th space. As such. the Empire would output 123.8dB @ 25Hz, 1/8th space, 1 meter.

Actually Klipsch rates all of their subwoofers by outdoor tests at 1 meter, not indoors corner loaded. With that being the case, you would have to drop that last 12dB.

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Actually Klipsch rates all of their subwoofers by outdoor tests at 1 meter, not indoors corner loaded. With that being the case, you would have to drop that last 12dB.

Incorrect. Straight from the SW-115 Spec page:

http://www.klipsch.com/sw-115

MAX ACOUSTIC OUTPUT:
121dB @ 30Hz 1/8 space, 1m

Presumably the subwoofers are tested in 1/2 space (outdoors) to obtain a more repeatable result, but the rating itself is very clearly for 1/8th space (corner loaded).

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Just as an addition:

The eighth space rating does seem to be correct, even for subs where it isn't mentioned.

Here is the max output per CEA2010 protocols of the SW-311

http://www.data-bass.com/images/measurements/51/L%20SW-311%20CEA2010%20CHART%20PASS.png

At 32Hz, 2 meters, 1/2 space, it is measured to deliver 102.6dB, so at 1 meter 1/8th space, it should deliver 120.6dB.

At 25Hz, 2 meters, 1/2 space, it is measured to deliver 97.9dB, so at 1 meter 1/8th space, it should deliver 115.9dB.

Per it's spec (which doesn't state 1/2 space or 1/8th space), it has a maximum acoustic output of 118dB @ 30Hz. This appears like it would be bang on with what was measured if you translated it to 1 meter 1/8th space.

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Actually Klipsch rates all of their subwoofers by outdoor tests at 1 meter, not indoors corner loaded. With that being the case, you would have to drop that last 12dB.

I'd like to see Klipsch official statement confirming this.

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Actually Klipsch rates all of their subwoofers by outdoor tests at 1 meter, not indoors corner loaded. With that being the case, you would have to drop that last 12dB.

I'd like to see Klipsch official statement confirming this.

Here is a photo and statement from Amy Unger from a little over a year ago. http://community.klipsch.com/blogs/amy/archive/2010/04/27/measuring-subs.aspx

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Here is a photo and statement from Amy Unger from a little over a year ago. http://community.klipsch.com/blogs/amy/archive/2010/04/27/measuring-subs.aspx

Like I said, while they measure their subs outdoors for repeatability, maximum output of the SW-115 is clearly rated in 1/8th space (corner loaded). Of course, if the SW115 could output 121dB @ 30Hz 1m 1/2 space, that would be rather impressive. Even the mighty Danley DTS-10 only puts out 115.8dB @ 32Hz @ 2 meters 1/2 space, translating into 121.8dB @ 1m 1/2 space.

http://www.data-bass.com/images/measurements/29/Q%20DTS10%20CEA2010%20THD%20CHART%20PASS.PNG

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Here is an idea since no one on the forum owns one yet.

Someone organize maybe a 3 sub shootout(all direct competitors) with the SW-115 included and once and for all this matter may be settled. First we have to purchase an SW-115. I have an idea for that. Lets all(as many members who want to participate) chip in $20 to $50(depending on how many take part) and go out and buy this SW-115. After the shootout is over, the $$$ donated will convert to raffle tickets and we will have a drawing to see who gets the SW-115.

I don't know if something like this is allowed on the forum but it is worth a try.

Bill

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Here is an idea since no one on the forum owns one yet.

Someone organize maybe a 3 sub shootout(all direct competitors) with the SW-115 included and once and for all this matter may be settled.

I did not say Bill is organizing this thing, I just said "someone" should do it.[;)]

You guys have been debating for weeks months on this issue so I just wanted to suggest a way for this thread to get back on track.[:#]

I am happy with my sub choices so this debate does not really concern me, though I may throw in $20.00 at a chance to win a sub.[Y]

Bill

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Here is a photo and statement from Amy Unger from a little over a year ago. http://community.klipsch.com/blogs/amy/archive/2010/04/27/measuring-subs.aspx

Like I said, while they measure their subs outdoors for repeatability, maximum output of the SW-115 is clearly rated in 1/8th space (corner loaded). Of course, if the SW115 could output 121dB @ 30Hz 1m 1/2 space, that would be rather impressive. Even the mighty Danley DTS-10 only puts out 115.8dB @ 32Hz @ 2 meters 1/2 space, translating into 121.8dB @ 1m 1/2 space.

http://www.data-bass.com/images/measurements/29/Q%20DTS10%20CEA2010%20THD%20CHART%20PASS.PNG

Which means the SW-115 (Maximum Acoustic Ouput of 121dB @ 30Hz, 1/8 space, 1m) is no match for the Epic Empire (CEA2010 Rating 123.8db @25Hz, 1/8 space, 1m). The maximum passible CEA2010 SPL for the Epik Empire at the lowest
possible frequency is 111.5dB @12.5Hz 1/8 space, 1m. Quite a bit more potent then the SW-115.

Most subwoofer comparisons and shootouts simply don't include Klipsch.

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Which means the SW-115 (Maximum Acoustic Ouput of 121dB @ 30Hz, 1/8 space, 1m) is no match for the Epic Empire (CEA2010 Rating 123.8db @25Hz, 1/8 space, 1m). The maximum passible CEA2010 SPL for the Epik Empire at the lowest possible frequency is 111.5dB @12.5Hz 1/8 space, 1m. Quite a bit more potent then the SW-115.

Most subwoofer comparisons and shootouts simply don't include Klipsch.

Okay Thomas you have been elected.[;)]

Most subwoofer comparisons and shootouts simply don't include Klipsch.

This shootout will include Klipsch. When and where and how to send my raffle $$$?[:D]

Thanks for the response to my PM, I just had to let the Paradigm go and hope Joseph will understand.

Bill

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I think the performance of the Epik may have been accidentally misstated. The Data-Bass website shows 124dB output at 125Hz, not 24Hz (CEA-2010 Max Burst).

Hi Artto,

Databass shows 105.8dB @ 25Hz for the Epik Empire, but that's at 2 meters, ground plane (outdoors). Klipsch reports their maximum output at 1 meter, 1/8th space (corner loaded). In order to convert, you need to add 6dB for going from 2 meters to one meter, and an additional 12dB to go from 1/2 space to 1/8th space. As such. the Empire would output 123.8dB @ 25Hz, 1/8th space, 1 meter.

Actually Klipsch rates all of their subwoofers by outdoor tests at 1 meter, not indoors corner loaded. With that being the case, you would have to drop that last 12dB.

http://www.klipsch.com/sw-115

http://www.klipsch.com/kw-120-thx-subwoofer

http://www.klipsch.com/p-312w-subwoofer

http://www.klipsch.com/product/65527.46299.0.0.0/1012449/_/KW-100_Subwoofer

The Specs section of all of these, from the $320 KW-100 to the Palladium all reference maximum output @ HZ in 1/8 space corner placement.

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The Specs section of all of these, from the $320 KW-100 to the Palladium all reference maximum output @ HZ in 1/8 space corner placement.

I think the implication, here, might be that they measure outdoors and convert the results to what they would be @ 1m, 1/8 space. [:^)]
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The Specs section of all of these, from the $320 KW-100 to the Palladium all reference maximum output @ HZ in 1/8 space corner placement.

I think the implication, here, might be that they measure outdoors and convert the results to what they would be @ 1m, 1/8 space. Huh?

Correctomondo!

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