Annoying rattle in my center channel - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 4 Old 11-09-2018, 08:08 PM - Thread Starter
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Annoying rattle in my center channel

Hi everyone,

It seems as though the right driver (maybe?) on my Klipsch RC-52 center channel is generating / causing a rather annoying rattle noise at certain mid frequencies (usually during dialog).

Anyone have any tips for troubleshooting / isolating the noise and hopefully fixing it? It's really making me want to upgrade but fixing it is more in line with the budget.

Thanks!
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post #2 of 4 Old 11-10-2018, 04:13 AM
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Perhaps speaker is blown? Depending on how bad that is, it would sound like a bit of scratchy distortion in specific frequencies.

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post #3 of 4 Old 11-10-2018, 11:25 AM
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Quote:
Originally Posted by Invincible View Post
Hi everyone,

It seems as though the right driver (maybe?) on my Klipsch RC-52 center channel is generating / causing a rather annoying rattle noise at certain mid frequencies (usually during dialog).

Anyone have any tips for troubleshooting / isolating the noise and hopefully fixing it? It's really making me want to upgrade but fixing it is more in line with the budget.

Thanks!
Use these test tones to see if it is a particular frequency and if it is low enough perhaps you can simply raise the crossover point for the center channel to avoid that frequency.

Worst case, on an extreme budget, simply cut the negative wire for that speaker inside the cabinet and just use the center with one driver instead of two.

https://www.audiocheck.net/testtones_index.php
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Geoff A. J., California
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post #4 of 4 Old 11-10-2018, 01:20 PM - Thread Starter
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Thanks, I'll give the test tones a go tonight.

The curious thing is, sometimes it exhibits the noise, other times it doesn't. I feel that when it happens, it generally sticks around for much of whatever we're watching. Whereas we can go several TV shows without noticing it. Perhaps that's simply down to frequencies that trigger it.

@markmon1 , I wouldn't describe it as scratchy/distortion. Hrm, I'll have to hear it again up close to see if I can put it into words. Or better yet, with the tones maybe I can record it.

More curious is the fact that I bought this speaker for my initial set of Klipsch (to replace an RCX-4) which was exhibiting a very similar problem. When I got around to piecing together a basement HT, I brought the RC-52 downstairs and put the RCX-4 back with its original set. I don't use that set much (the wife does) but I haven't heard the issue return.

The RC-52 has been hooked up to 3 different receivers (Old Yamaha / Pioneer Elite / Denon H4400X) and I believe it's done this with all of them.

I do feel it's more prone to happen when being driven harder, but we're not talking deafening levels.
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