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I sort of fixed my k7xx..
I opened up the left cup and find that one the wire that powers the speaker seemed to be glued to diaphragm. Checked my right side (which have a dent..bummer) and out of 4 wire (2 on each cup), only 1 is glued to the diaphragm.
Guessing that was the culprit, I tried poking it very gently with a blunt and soft tool and the wire came free and dropped off and the rattle was gone. Sound doesn't seem to be affected.
Doing this might void the warranty so please use your own discretion.
could you actually make a short video how you do it or give a picture of how to open up the can? since we are all live in Malaysia and most probably wont returned it for warranty, I might just going try to fix it myself..
Just grip the foams firmly and twist it it counter clockwise
he probably wants to take apart the whole headphone and not just the ear pads :P
Well then, he is out of luck because I didn't need to take it apart lol. Literally just poked the diaphragm a bit with a q-tip.
You can find AKG K7** Repair guides on youtube.
hmmm someone with the ratting problem, could you please try this?
1) take the ear pad off on the side which has the rattling by twisting them anti clockwise.
2) look for the 2 copper wires under the diaphragm that are opposite to each other (easier with a small flashlight).
3) poke them with a q tip gently just to move them off the diaphragm.
*edit, nvm I just rewrote what spoilt said. lmao
yup.. I was wrong about that haha.. anywhere, did try to do following your method and it really work.. thanks for the tips.
anybody has a picture of said wires?
Here you go. The red box is the side you need to poke, normal connection should look like the one in the orange box.
This picture was post-fix. When I first opened it, the wire was clearly touching the diaphragm.
the wire goes from the edge of the driver to the coil in the middle. you can see it if you shine a flashlight on it.
[img:20150108_013312.tfx.jpg] That's how mine looks now, still have the rattle.
That bottom wire is pretty close to the diaphragm..... that's probably the cause of it. On my one they don't rattle and you can't even see the wires unless I'm in a bright room.
Poke it near the edge of the driver with a qtip and see if you can move it away from the diapraghm, its worth a shot imo.
Well, at my own discretion, by moving the wires, the rattle disappears. Makes me wonder if I should still exchange it or not.
So poke at A, B or C? I have poked at B and wire didn't move anywhere.
poke the A and B area (the curly wire). Make sure you use a good Qtip that is soft. I done what tommydadog did last night and seems to have solved the rattle for good.
On my K7XX three out of the four wires that pass under the white diaphragm stick out like the one with the A arrow in your photo.
I have tried multiple times, with and without an amp, to listen for any rattle. I am not hearing anything glaringly obvious like the video posted a while back with a mic picking up a clacking type rattle. I can hear some chuffing at 20-30 Hz from both sides during tests on audiocheck, but I think that is normal. I tried the tests on my ATH AD700 and it sounded the same, albeit with less bass.
If anyone who can't hear rattling would be so kind to check if the four copper wires stick out or not it would be appreciated.
A is your best bet, that wire is pretty thin so bending it away shouldn't be hard.
If you don't hear any rattle, don't go looking for issues :P
I mine don't rattle, I can't see any of the wires unless I'm in a bright room.
I'm happy to hear that it fixed rattle :D
Yes, finally can enjoy some music! No more stress
My rattle wasn't as bad as the video, it only exists till 60Hz and then completely disappears. The audiocheck's Headphone shaker and the low frequency dynamic range test both kicked in the rattle for me.
So far, Hans Zimmer's Why So Serious kicked in the rattle for me. I am yet to try it out with some movies and games.
Thanks, will give it a shot.
I listened to the Quality - Bass Shaker test again and the only thing I noticed was a cat purring/chuffing like sound for the first second or so. This happened with both the K7XX and AD700, though more pronounced on the former due to better bass.
That's how it looks exactly on my Austrian Q701 which has no rattle (only at much louder, unlistenable levels). If the wire is cause of the rattle, its may be because on 7XX it's not glued to dome of the membrane, if it should in the first place (i dont know), or its just not placed properly thus the rattle appears, but by the look of it, it's placed same as on Q701.
You've got perfectly fine (by the look of it) driver there, no bubbles even :P