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Discussion Starter #21
It would just stop putting out sound , but the light would stay green. If I turned the main power switch off and back on it would work for a bit and then stop again. As per Eric at Oaudio, I tried upping the sub volume in my receiver and also pulled the amp out and checked all the circuit board connections. Everything checked ok, so I sent the amp back to them yesterday.
 

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Didn't i warn you that this thing will wake the dead and make basement dwelling mother-in-laws heads explode?

LOL.

It looks great, i just really really can't wait to see your reaction to the gobs of output that this driver is capable of.
 

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Discussion Starter #25
thanks, I'm looking foreward to it myself:D

It hurts to put in all that work and then have a problem.
I hope I get the new amp soon.
 

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Im just sticking my finger in the wound here... but if you went with a pro-sound amp, you wouldnt be without a subwoofer right now...:whistling:
 

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Discussion Starter #28
Finally got the new amp today and so far so good. I will set it up properly on the weekend. Hope to get some measurements soon as I am on holidays next week.
 

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Im just sticking my finger in the wound here... but if you went with a pro-sound amp, you wouldnt be without a subwoofer right now...:whistling:
What prosound amp would you go with for SDX10s, which max 250W RMS sealed? I picked up a Crown xti 2000 for its built in DSP, which is great, but it apparently has weakness below 20 hz. I reasoned that wouldn't matter because I only needed half of its max power. But the DSP won't do any filtering below 20 hz. So maybe a non-DSP AMP plus MiniDSP would have been better.

JackNC
 

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Discussion Starter #30
Well it's been a few days and the sub is pounding along nicely ( I guess the first amp was definitely a dud). I couldn't seem to get rew working properly and will have to do some more reading to find out what I was doing wrong. If I can figure it out , I will post my measurements here. The sub is especially great for music.
 

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Discussion Starter #32
Thanks, Bill. It is quite "ear" opening to hear songs all over again and what I have been missing.

I have already left a post in the rew thread, hope to get help soon.
 

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The crown XTI series are not known for having very good output in the bottom most octave, that is just a design weakness of that series. I'd recommend a Behringer EP2000, or the newer iNuke series if you want to try something with DSP built in. Personally, i use a DCX 2496 for my DSP, and a QSX RMX2450 For the SDX15 in a 14~ cube internal LLT tuned for 15hz.

http://www.behringer.com/EN/Products/NU1000DSP.aspx

The iNuke1000DSP fits what you're looking for.

Remember, you can always turn the gains down to limit the output. But you can't EASILY make a weak amp stronger.
 

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I would buy that in a minute if I didn't already have the Crown, which by the way seems to have all the power it needs to drive my subs, which only need about 1/3 of its maximum rated output
 

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Is this oaudio 500W plate-amp enough for the SDX15?

I have also a sdx15 fed by a Hypex DS4.0 plate-amp. This amp rated at 400W rms.
(see this topic at a dutch forum... Oh, i cannot make a link? )
Anyway, It goes as louder than i can handle but i hope with more power (for example the Hypex DS8.0) to get more controll en detail. Is it so?

I have looked at those Behringer amps. With build-in dsp it looks to me a great amp. BUT, the power from those Behringer amps is rated at max-power. So, the 1000DSP will give 1000 watt at 4 Ohm bridged at maximum. So, maybe this Behringer iNuke 1000DSP is weaker than mine Hypex DS4.0? Which means i probbably better go for the iNuke 3000 or 6000?

And what about de damping factor? Is 140 high enough? Mine hypex DS4.0 has a factor of 1000. I'm looking for more detail in bass and someone did tell me that this damping factor is important and must be as high as possible...

So, should i stick by mine Hypex DS4.0, go for the DS8.0 or pick a Behringer 3(6)000DSP?

/edit;
Btw, i did test with placement around my room. First my sdx was placed as downfire but now it has become front fire. Much better now with ff and righg place. But want those last improvements too if possible
 

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Discussion Starter #36
I haven't been around here too much lately, but wanted you all to know that I am still thrilled with this sub. It has been the best addition to my system and still puts a smile on my face. Thanks to all that helped along the way. :bigsmile:
 

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Discussion Starter #38
I know. I was SO lucky to find a good used sdx15. I can't believe the bad luck Bob and CSS are having with that driver. I couldn't have waited this long.
 

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Discussion Starter #39
I haven't been around here much lately. Too busy enjoying my clean tight bass!!! I truly feel sorry for those that were waiting for the sdx15mkII. This sub build was the best upgrade to my system. Thanks again to all that helped along the way.

On a side note, also sorry to see that oaudio is no longer out there. I feel so lucky to have gotten what I got when I got it.
 
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