Cardioid Capsule Repair?

  • Thread starter Thread starter Jrasia
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Jrasia

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I recently purchased a matched pair of Elation KM201 microphones with omni and cardioid capsules. The omni pair seems to be working fine, but one of the two cardioid caplsues doesn't sound right. These are suppose to be a matched pair, and the difference is quite dramatic between the two. It sounds as though the capsulse is blown cause there is no low end, and the top end sounds sizzly, but not in a good way.

Does anyone know where a replacement might be had, or if there is some way or repairing the damage capsule. Is there someone who specializes in repairing microphone capsules? I assume someone here must've had a similar experience at one point.

Thanks

Jay
 
Here's a short MP3 of the 2 capsules. The first is the damaged capsule.



Jay
 
Hmmm

Can you get pictures of them?

I don't recommend taking apart anything you:

1) Have to force apart/open
2) Don't know how to put together again
 
Alright, heres some photos, though I'm not sure how these help exaclty.
I have tried swapping the bodies and capsules with each other already.
It is indeed the one particular capsule. That is the one pictured below. The second photo is of the capsule with the windscreen removed.
The third of course is the body.

Capsule.jpg

Capsule2.jpg

body.jpg
 
Capsules

There are a few reasons that capsules die:

1) Diaphragm loses tension and/or conductive coating. I hear this is common with Chinese capsules. Try Peluso Labs for a re-skin.

2) Obstructions between the diaphragm and backplate. Capacitor mics can and will collect dust/junk inside of them.

3) Bad contacts between capsule and mic body. Check those out too.

I'd compare the two capsules since it seems you can get them apart. Use a magnifying glass. I make sure to never mix up the parts between the two, even if they are a matched pair.

Check the capacitance - This can be done on many multimeters. Someone nearby has one if you don't. If they are indeed a matched pair, the capacitance shouldn't be off toooo far. One lead goes on the housing, the other on the prong sticking out of the bottom.
 
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