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Pingy bass on Sennheiser HD 558 (Possible damage)?

post #1 of 5
Thread Starter 

I think I've damaged my 558s. There's this pinging noise present in certain bass sounds that wasn't always there. I can hear it in the bass drum in these songs http://www.youtube.com/watch?v=KJZ13SyRXhU http://www.youtube.com/watch?v=0CbnYw-TgnE. I usually listen to my headphones on the loud side through the PA2V2 but I didn't think I could screw them up by doing so, and was under the impression my ears would be damaged long before the cans. They're still under warranty but would Sennheiser even cover something like this? 

post #2 of 5
Thread Starter 

bump

post #3 of 5

I don't know what you mean by ping sound. Bass distortions tend to be flutter, crackling, buzzing, and sudden changes in volume like a loose connector cable causing static. There are a few ways you can damage headphones, each will present a little differently. I'll let you guess if you resemble any.

 

1. Driver can get torn or damaged. This results in crackling sounds, buzzing, and other artifacts, imagine a piece of cardboard getting bounced around on a speaker cone for an idea of that sound.

 

2. The voice coil can over heat causing de-lamination, de gausing, and warping. This results in difficulty moving freely and presents as static type noises, sudden changes in volume at certain frequencies, static type sounds. This would be similar to touching a speaker while it's moving suddenly causing it to sound weird.

 

3. Damage to the enclosure itself (much more rare as the enclosure is usually stronger than the speaker driver). This presents as buzzing like a loose piece of plastic, similar to how an old car's panels might buzz when playing music, or how a fan might buzz or rattle when it gets older. This can happen if over driven over time causing seams to get lose and start moving and vibrating.

post #4 of 5
Thread Starter 
Quote:
Originally Posted by Kodhifi View Post

I don't know what you mean by ping sound. Bass distortions tend to be flutter, crackling, buzzing, and sudden changes in volume like a loose connector cable causing static. There are a few ways you can damage headphones, each will present a little differently. I'll let you guess if you resemble any.

 

1. Driver can get torn or damaged. This results in crackling sounds, buzzing, and other artifacts, imagine a piece of cardboard getting bounced around on a speaker cone for an idea of that sound.

 

2. The voice coil can over heat causing de-lamination, de gausing, and warping. This results in difficulty moving freely and presents as static type noises, sudden changes in volume at certain frequencies, static type sounds. This would be similar to touching a speaker while it's moving suddenly causing it to sound weird.

 

3. Damage to the enclosure itself (much more rare as the enclosure is usually stronger than the speaker driver). This presents as buzzing like a loose piece of plastic, similar to how an old car's panels might buzz when playing music, or how a fan might buzz or rattle when it gets older. This can happen if over driven over time causing seams to get lose and start moving and vibrating.

I really can't describe in any other way then a ring or a pinging noise when the bass hits on those specific songs. The driver getting damaged sounds like something iv'e experienced. If I have the volume too loud on a song sometimes ill hear a faint cracking and that's my cue to turn it down slightly, I figured it was just the bass distorting and that it wasn't detrimental to the driver. 

post #5 of 5
Quote:
Originally Posted by fartface View Post

I really can't describe in any other way then a ring or a pinging noise when the bass hits on those specific songs. The driver getting damaged sounds like something iv'e experienced. If I have the volume too loud on a song sometimes ill hear a faint cracking and that's my cue to turn it down slightly, I figured it was just the bass distorting and that it wasn't detrimental to the driver. 


The crackling at high volume does not usually mean you've destroyed your driver. I wouldn't do it that loud for many reasons but it shouldn't blow your speaker. The kind of material the driver membrane is made of will make those sounds different on different headphones.

 

Grado's tend to use light and stiff plastic, like thick cellophane, if you touch it with your fingers it makes plastic crinkly noises. The Beyerdynamics on the other hand use a very soft, almost sticky, kind of plastic that looks more like a contraceptive sponge than a headphone driver. It's softer, more plyable, etc so it wouldn't make much sound when distorted.

 

I don't know what to tell you about your pinging sounds. If you have any kind of microphone, put the mic inside an ear cup, set the mic level so it doesn't distort at loud headphone volume and make a recording of it doing it.

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