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new hd 555's crackling

post #1 of 86
9/6/10 at 2:53pm
Thread Starter 

hi there i just bought my first fine pair of headphones which are the great all rounders the hd 555's, ive teamed it up with a jdslabs bass boost cmoy amp ($64.99). but i have been experiencing some problems and didnt know where to turn to so hence here i am a newbie at the forums and also a newbie audiophile.

 

the problem is that whenever i play heavy bass on a quite hight level of volume, the left earcup makes a kind of crackling noise correspondant with the bass and i can kinda feel it tickling my ear :) what maybe causing this and is there a way of repairing them as i bought them from ebay (no worries im 100% sure they are genuine :) ) i can send em back to sennheiser to get repaired or whatever.

 

btw i didnt burn them in or whatsoever. just probably maximum of 5 hours of play.

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post #2 of 86
9/6/10 at 3:33pm

I'm in/was in a similar position.  I just received my first pair of serious headphones (HD595s) on Friday.  With bass, I've experienced more of a pop than a crackle.  I don't have any advice for you as I'm very new to serious audio equipment as well, but I can tell you that burning my headphones in for 30+ hours may have done the trick.  I still have some testing with other sources to do.

 

As recommended to me, let them play for a full 24 hours to get some hours in them, and then try the same bass and volume level.

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post #3 of 86
9/6/10 at 4:08pm
Thread Starter 

let them play at any song and at any volume? and is this likely to fix it? because i can feel the the earcup kinda tickle my ear when there is bass but this is again only on the left cup.

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post #4 of 86
9/6/10 at 4:39pm
Thread Starter 

also read the hd 555 modding to hd 595. are there any drawbacks in doing this?

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post #5 of 86
9/6/10 at 5:52pm

No, not unless you lose the screws in the carpet or accidentally pull out a wire or two. Just be gentle and all will be well.

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post #6 of 86
9/6/10 at 6:22pm
Thread Starter 

any idea what might be causing the crackling?

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post #7 of 86
9/6/10 at 8:24pm
Thread Starter 

anybody knows?

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post #8 of 86
9/7/10 at 1:20am

Have you tried it without using the amp? Plug them directly into your source. If it's still there, send the headphones back.

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post #9 of 86
9/7/10 at 1:46am
Thread Starter 

without the amp, it doesnt do it since i cant reach the same level of volume and bass that i get with the amp. i would say its the amp but its just the left cup so :/

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post #10 of 86
9/7/10 at 2:05am
Quote:
Originally Posted by zaphod-159 View Post

without the amp, it doesnt do it since i cant reach the same level of volume and bass that i get with the amp. i would say its the amp but its just the left cup so :/


Ever think you might be feeding your cans to much? Yeah I with my amp I can make my headphones pop and crackle just because I am feeding them to much.

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post #11 of 86
9/7/10 at 2:46am
Thread Starter 

that would be the case if both of them crackled. its just the left one.

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post #12 of 86
9/7/10 at 6:34am
Thread Starter 

so nobody knows ? :/

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post #13 of 86
9/7/10 at 7:13am

from my experience, i experienced something similar when i first got them.  although, i never had an amplifier hooked up to them.  but it seems like this is normal before they are burned in.  get a good 100+ hours on them and i am sure it will go away.  one thing to note is i also did the soundstage mod which involved removing the inside plastic grill, it helped the bass considerably i think.  anyways, this is normal when you first get them so i wouldn't be worried.  but take out the headphone amp until they are burned in would be my recommendation.

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post #14 of 86
9/7/10 at 7:14am

Its probably because of your amp. Check and see if there is any rust stuck inside the amp or on the output. I dont think it has anything to do with your headphone cause I used to have one and liked to turn the bass all the way up.

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post #15 of 86
9/7/10 at 7:15am

i just read "without the amp it doesnt do it".  this means that your supplying too much to the headphones right now.  wait until they are burned in like i said before attaching the amp.  and consider doing the soundstage mod, i have good instructions on how to do it.  once it is burned it, attach the amp and i am sure you will be pleased.

 

here are instructions:

http://www.head-fi.org/forum/thread/476814/detailed-instructions-for-soundstage-mod-hd555-headphones

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