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Distortion on New 4.1 Speakers after first 2 hours


domino

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On Friday, 04.13.01, I purchased some new Klipsch 4.1 speakers. I had read some reviews and everyone raved about them. They were easy to set up and the sound was great. All my mp3 files seemed new again. I listened to the files for about two hours at 50 percent volume. Then, intense distortion appeared. At first, i thought something was wrong with my soundcard or fixed disk. Anyway, I rebooted and the distortion was still present, maybe even worse. I got the flashlight out and checked out the wire connections to the subwoofer and the PC. The connections were OK. When down there I noticed that the back of the subwoofer was hot enough to fry an egg. Honestly, I could barely touch the back of the subwoofer. I wondered if the subwoofer was hot enough to be a fire hazzard. Not wanting to find out the hard way, I pulled the plug and let the system cool off over night.

Today, the distortion is still present. I tried reinstalling my Soundblaster 5.1 drivers, but that did not help. The distortion was still present. Again, the back of the subwoofer became very hot. There is plenty of ventilation under my desk where the PC and subwoofer reside, so I do not think that is a problem. I really miss the great sound that the speakers produced when they were working properly.

What advice does anyone have? Are the speakers blown and I have got to try and exchange them? What about the very hot back of the subwoofer? I reinstalled my old Boston speakers and they sound OK, so I do not think it is a problem with my system. Just in case, I'll post my specs. Any advice would be greatly appreciated.

System:

Intel 850GB mobo

P4 1500 mhz

PC800 512 mb

Soundblaster Platinum 5.1

Herc 3d Prophet Ultra

Windows 2000 all updates

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not related to the sub's temperature though.

the amp does get hot after a long time of playing.

although not as hot as you described, but i imagine you must've been exaggerating a bit...

if not, then it's not normal.

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Seb, thank you for answering. Unfortunately, I was not exaggerating. The back of the subwoofer became too hot to press my hand against and hold it there. I do not have any way to actually measure the temperature, but not being able to rest my hand against the back of the subwoofer must be abnormal. Yes? Anyway, I bought speakers, not a toaster. When I reconnected my old Boston speakers, and played some mp3 files for more than an hour, the subwoofer became warm but was still easy to press my hand against.

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Well, this is the 3rd case on this same happening I read here in this forum.

Same thing happened to me I already sent my 4.1's for a replacement. I suggest you do the same. About the sub getting hot it is NOT an exageration, It gets hot eough to burn your fingertips, and distortion comes out from all speakers (sats, sub).

It does worry me that it will happen to my replacement set, I sure hope not, I really do like my pro's. I wonder if there is a faulty component.. (the limiter?)

Amy if you are reading this, what do you think, has this bring any concerns at Klipsch?

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oh man the EXACT same problems here dude, super hot sub, can't keep my hand on it for more than a few seconds before it starts burning, incredible distortion. updated drivers still no luck, plugged old speakers back in, no problem, and i just got these like an hour and a half ago.

plz advise

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  • 1 year later...

Yeah. Sounds like a fried amp. 400 Watts is nothing to sneeze at, and inside a subwoofer case with only port air coming in nonetheless. I still don't know how the Klipsch engineers did it. 1.gif Suspicious of this, and considering I bought my 4.1s in the "Ugly" Refurb Sale, I've blown an oscillating fan on the sub plate to cool it off. But even without the fan, it never gets too warm, much less hot.

I guess when it works correctly, Klipsch has found a way to beat the odds and keep a 400 Watt amp from overheating inside a sub case. My roommate has a 320 Watt boombox with a huge heatsink on the back, and I've had some friends fry 400 Watt truck amps out in the open before due to heat.

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  • 3 weeks later...

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