[mataso]

Bought new HD558 for my Xonar Essence ST. Fired up and noticed strange vibration (distortion) from right chanell. Anything I can do myself or just RMA?

 

[BotByte]

Sounds like channel imbalance
 
Unplug everything
replug
play again
turn volume up and down
 
anything?
 
Then check cable for breaks.
 
 
Best bet:
 
Your detachable cable isn't in all the way

 

[mataso]

At very low volume distortion isn't noticable, but cranking the volume a bit fires it up. Checked all cables - everything is fine.

 

[mataso]

It's like high pitching noise, like diafragma's vibration, contacted to Sennheiser, will look ahead for their reply.

 

[JamesMcProgger]

sounds like rattle in the driver to me. maybe its blown or just dirty.

 

[BotByte]

Actually sounds like you're over driving them.
Like double amping
 
You get a lot of the same effect with IEM's and home units
 
But the HD558 are different.
 
Clean them well. No air cans, no water, no towels, no q tips. Blow lightly after taking apart.

 

[mataso]

BotByte -> can you explain more clearly what I should do?

 

[BotByte]

Take apart headphones
 
(Look up HD555 tape mod for videos of deconstruction)
 
Lightly blow the driver (enough to blow a sheet of paper off your desk) Inside and out.
 
Assemble
 
 
I'm not sure about hair and the HD5xx series. I've never had the problem myself.
 
 
Over amping is caused by too much power going to them. But you would be running a 600ohm standard system to distort the HD598's.
 
Other then that, your connections, sound and audio your using
 
If you're running phono (tunrtable) your preamp might not be compitable with the table or the receiver. But this is way less likely.
 
 
EDIT: Lastly, your cans are fried. Either send them into to Senn to fix (around $80 I think) or just buy new ones. sorry for your loss

 

[JamesMcProgger]

Quote:

Actually sounds like you're over driving them.
Like double amping
 
You get a lot of the same effect with IEM's and home units
 
But the HD558 are different.
 
Clean them well. No air cans, no water, no towels, no q tips. Blow lightly after taking apart.

if overdrive was the case, why would it be only one driver?
 

 

[mataso]

They are under warranty, why I should pay money for fixing them?

 

[BotByte]

Quote:

They are under warranty, why I should pay money for fixing them?

H#ll YEAH
 
Call them up and don't take them apart. Describe what's going on and they'lll tell you to send them in
 
You pay for shipping, but free fix, hopefully
 

Say that you have a warranty. That's why we don't have problems with Koss here. Anyone asks "Koss has lifetime warranty"

 

[mataso]

Hopefully will get Sennheiser response tomorror.

 

[mataso]

Hmm still no response from Senn As I mentioned that vibration (rattling) digs up only at more heavy bass sessions, higher volume. For example, listening Komytea - Lines track, vibration isn't noticable at 30% volume, but at 32% it becomes visible and increases with pushing the volume up. Maybe a driver is a bit loose inside, o something else... In my opinion, hair can't be stuck inside, cause they are new.

 

[JamesMcProgger]

Quote:

Hmm still no response from Senn As I mentioned that vibration (rattling) digs up only at more heavy bass sessions, higher volume. For example, listening Komytea - Lines track, vibration isn't noticable at 30% volume, but at 32% it becomes visible and increases with pushing the volume up. Maybe a driver is a bit loose inside, o something else... In my opinion, hair can't be stuck inside, cause they are new.

Againg, that is a symptom of a damaged driver, If it were a grado It would be the infmous "grattle". It happened with my MS1.

 

[mataso]

Sennseiher told to send my HD558 to oficial local distributor. Will do it tomorrow. If the driver is faulty, can it be repaired, or it must be replaced to the new one?