> I have a pair of Shure 183's and one is not working properly.
>Any info is appreciated.
> The one mic has a regular pop or click at even intervals, about one second
> apart.
Sounds like the evil moisture monster is hiding in there somewhere.
> What may be the cause?
Message: 1.
Subject: Loose capsule head - doubt it.
Message: 2.
Subject: moisture in the capsule itself - unscrew it and try another to confirm
this.
Ive only seen the MX391O version of this capsule which maybe different.
> Can it be corrected?
Try another capsule head first, if it still has the problem its most likely
moisture
somewhere other than the diaphragm and backplate.
Try to dry it out if you can near a warm object like a TV but not too hot,
definitely not in an oven. Place the capsule and a desiccant bag together while
drying.
The desiccant should absorb the moisture providing its also dry to start with.
> Can the condition be prevented?
Woven flouropolymer tape over the capsule head may prevent it but it may also
trap moisture inside.
> Gerald White
>
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