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-   The Sub Zone (Subwoofer Testing) (https://www.hometheatershack.com/forums/sub-zone-subwoofer-testing/)
-   -   Power Sound Audio XS15 (https://www.hometheatershack.com/forums/sub-zone-subwoofer-testing/62088-power-sound-audio-xs15.html)

Dale Rasco 10-02-12 08:53 AM

Power Sound Audio XS15
 


Read the review here!

Manufacturer Specs:

Spoiler

Driver:

Power Sound Audio proprietary 15” driver
High excursion capabilities (2" peak to peak)
Optimized motor using Finite Element Analysis (FEA)
Low carbon steel motor structure for optimized flux flow
Aero vented pole geometry for quiet operation and efficient cooling
Triple stack of Y35 grade magnets
Reinforced curvilinear kraft pulp cone
Rubatek foam surround
Twelve spoke aluminum frame for a rigid foundation
Flat wound copper coil on a black anodized former allowing for effective heat dissipation and rigidity
Single poly cotton semi-progressive, high excursion spider
Fatigue limiting designed, forty-eight tinsel count lead wire
Assembled in the USA

Amplifier Specifications:

Amplifier Power: 500W RMS (continuous), 1000W Peak (dynamic)
Amplifier Topology: PS BASH® - Patented hybrid amplifier uses best of Class D and Class AB
Precision analog control through DSP (digital signal processing)
Inputs: Left (LFE) and Right RCA connections
0o to 180o Continuous Phase Control
40Hz-150Hz/LFE Variable Crossover
Off/Auto/On Selector
Voltage: 100-120V/220-240V~50/60Hz (6.3A) with auto-switching
Stand-By Power: Less than 1W
Temperature sensing protection
Driver voltage monitoring with DC offset protection
Driver current monitoring with overload, short circuit, and load protection.
Primary voltage monitoring to control dynamic and average power limits
Soft limiting protection
Frequency dependent compressors
Energy Star compliant

Enclosure:
Sealed enclosure
Down-firing driver
Super durable, black sand textured finish
Precision machined CNC panels for perfect fit of all components
1” thick MDF baffles and 1.5” thick MDF base
Dimensions (D x W x H): 19.5” x 18.5” x 20.75”
Weight: 73lbs
Made in the USA


Manufacturers Published Measurements

http://www.hometheatershack.com/gallery/file.php?n=9496

http://www.hometheatershack.com/gallery/file.php?n=9497

HTS Results

Setup Images
http://www.hometheatershack.com/gallery/file.php?n=9597

http://www.hometheatershack.com/gallery/file.php?n=9596

http://www.hometheatershack.com/gallery/file.php?n=9611
Frequency Response

http://www.hometheatershack.com/gallery/file.php?n=9672

Max Output Before Compression
http://www.hometheatershack.com/gallery/file.php?n=9504

Spectral Decay

http://www.hometheatershack.com/gallery/file.php?n=9676

Group Delay

http://www.hometheatershack.com/gallery/file.php?n=9673

Waterfall

http://www.hometheatershack.com/gallery/file.php?n=9685

Spectrogram

http://www.hometheatershack.com/gallery/file.php?n=9674

Harmonic Distortion

http://www.hometheatershack.com/gallery/file.php?n=9507

Click the Spoiler button for the REW notes from each individual frequency

Spoiler

32 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 103.1 dB
Distortion at 32.1 Hz, -7.6 dB FS based on 8 harmonics:
THD 21.4705 %
THD+N 23.6622 %
2nd harmonic 20.5943%
3rd harmonic 5.8895%
4th harmonic 1.1142%
5th harmonic 0.5725%
6th harmonic 0.4705%
7th harmonic 0.3839%
8th harmonic 0.3531%
9th harmonic 0.3314%

40 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 103.1 dB
Distortion at 39.9 Hz, -7.4 dB FS based on 8 harmonics:
THD 7.4870 %
THD+N 12.8832 %
2nd harmonic 7.1288%
3rd harmonic 2.0028%
4th harmonic 0.6878%
5th harmonic 0.5020%
6th harmonic 0.4301%
7th harmonic 0.3581%
8th harmonic 0.3199%
9th harmonic 0.2898%

50 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 103.4 dB
Distortion at 49.9 Hz, -7.1 dB FS based on 8 harmonics:
THD 1.9981 %
THD+N 8.5893 %
2nd harmonic 1.6657%
3rd harmonic 0.8804%
4th harmonic 0.3944%
5th harmonic 0.3210%
6th harmonic 0.2610%
7th harmonic 0.2243%
8th harmonic 0.1904%
9th harmonic 0.1720%

63 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 105.0 dB
Distortion at 63.1 Hz, -5.5 dB FS based on 8 harmonics:
THD 1.9812 %
THD+N 11.8305 %
2nd harmonic 1.8837%
3rd harmonic 0.5043%
4th harmonic 0.2414%
5th harmonic 0.1852%
6th harmonic 0.0987%
7th harmonic 0.0951%
8th harmonic 0.0800%
9th harmonic 0.0711%

70 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 102.5 dB
Distortion at 70.0 Hz, -8.0 dB FS based on 8 harmonics:
THD 2.8614 %
THD+N 4.7199 %
2nd harmonic 2.7544%
3rd harmonic 0.7145%
4th harmonic 0.2393%
5th harmonic 0.1476%
6th harmonic 0.0996%
7th harmonic 0.0320%
8th harmonic 0.0153%
9th harmonic 0.0073%

80 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 101.7 dB
Distortion at 80.1 Hz, -8.8 dB FS based on 8 harmonics:
THD 2.9176 %
THD+N 5.5945 %
2nd harmonic 2.8272%
3rd harmonic 0.6631%
4th harmonic 0.2228%
5th harmonic 0.1219%
6th harmonic 0.1018%
7th harmonic 0.0538%
8th harmonic 0.0308%
9th harmonic 0.0273%


Picture_Shooter 11-02-12 10:49 PM

Re: Power Sound Audio XS15
 

Hi Dale,

Thank you for taking the time and doing the measurement tests on the XS15.

Since I really do not get graphs much will you be doing an overall written review on the XS15 just like you did with the X-ref12?

If I am looking at this graph correctly it seems that the X-ref12 is very close competitor to the XS15 or am I way off? :)

Thanks for your input.

~ Mike

Dale Rasco 11-02-12 10:52 PM

Re: Power Sound Audio XS15
 

Hey Mike, I sure will and I'll be posting it Monday as a matter of fact!

Picture_Shooter 11-02-12 10:57 PM

Re: Power Sound Audio XS15
 

Quote:

Dale Rasco wrote: (Post 561084)
Hey Mike, I sure will and I'll be posting it Monday as a matter of fact!

Perfect timing; I'll be waiting :D

Thanks for the quick reply back

BD55 11-05-12 04:59 PM

Re: Power Sound Audio XS15
 

Ha ha, what do your neighbors say when they see you setting up a sub test in the middle of the cul-de-sac? Though I'm guessing you have already enlightened them well in the need for a good sub.

Dale Rasco 11-05-12 05:07 PM

Re: Power Sound Audio XS15
 

My neighbors are more than happy about it because they know if the subs are rolling out, so is the barbecue pit and they don't have to cook dinner that night! :T

Dale Rasco 11-05-12 05:12 PM

Re: Power Sound Audio XS15
 

Quote:

Picture_Shooter wrote: (Post 561083)
Hi Dale,

Thank you for taking the time and doing the measurement tests on the XS15.

Since I really do not get graphs much will you be doing an overall written review on the XS15 just like you did with the X-ref12?

If I am looking at this graph correctly it seems that the X-ref12 is very close competitor to the XS15 or am I way off? :)

Thanks for your input.

~ Mike

Hey Mike, the rolloff on the XS15 is much more gradual than the Emo. The Xref takes around 20 db between 30Hz and 20 Hz. The XS15 drops less than 10 db.

gtpsuper24 11-05-12 07:35 PM

Re: Power Sound Audio XS15
 

While its much different price points, how would you compare the XS15 to the EP800? How would a pair of stacked XS15s match up to the EP800?

I'm actually thinking about getting a pair of the XS15s.

Dale Rasco 11-05-12 07:52 PM

That's a great question and I would have to say that while I love the fact that I can get the EP800 flat down to 12 Hz in my room, I do not think that the extra 4 Hz is worth $900. I was able to get the XS15s down to 15.5 Hz and that really is plenty IMO. My only concern would be with the size of room you have. I think I would probably need four XS15s in my room. I currently run an EP800 and two EP350's.

raynist 11-07-12 06:47 PM

Re: Power Sound Audio XS15
 

Hi Dale, curious about something. Since this is a downfiring sub, do you think the results would be different if the bottom plate was removed and the woofer pointed towards the mic? I am thinking that I room it would make no difference, but out in open space would the downfiring disperse much out the output in the other 3 directions away from the mic?

Thanks!


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