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Post by scumbum on Jun 12, 2015 10:27:34 GMT -6
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Post by svart on Jun 12, 2015 12:32:43 GMT -6
I don't think so. Electrets have a backplate that has a charge on it, similar to a static charge you get when rubbing your feet on carpet on a dry day.
I believe the plates are charged before installation, so the capsule would need to be disassembled to recharge it, if that's possible at all.
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Post by jimwilliams on Jun 12, 2015 13:10:04 GMT -6
The charge lessens over time and nothing can fix it except to install a new capsule. It's better than it used to be though. I have some old 1970's Sony electrets and they have gone dark, forever. It suprizes me Shure is still doing this like they did with the old SM-81. I believe it's a way of saving manufacturing costs. Electrets have limitations with reach, they don't pick up the tiny details at distance a polarized capsule can pick up.
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Post by scumbum on Jun 12, 2015 14:05:48 GMT -6
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ericn
Temp
Balance Engineer
Posts: 16,107 
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Post by ericn on Jun 12, 2015 18:47:57 GMT -6
Like JW said its a fact of life with electrets, 70's Sonys are the worst. I got slagged on GS for trying talk a guy out of buying a mid market used Sony MS that I sold tons of buy a guy who was raving about them like they were Schoeps.
At least Shure is acting like these are parts that will wear out !
Love Sony mics , but don't buy old ECM C yes ECM NO!
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Post by guitfiddler on Jun 14, 2015 9:34:46 GMT -6
Does the KSM44A have the same type of charged capsule? It is different from the 27/32, but can't find any info on it. I would think it doesn't being a more expensive mic, but you never know.
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Post by scumbum on Jun 14, 2015 13:28:26 GMT -6
Does the KSM44A have the same type of charged capsule? It is different from the 27/32, but can't find any info on it. I would think it doesn't being a more expensive mic, but you never know. The KSM44 and 27 are true condensers , so they don't have this problem . shure.custhelp.com/app/answers/detail/a_id/2751/kw/ksm44%20trueSo they don't lose charge and eventually die like an electret . |
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Post by guitfiddler on Jul 22, 2015 23:08:37 GMT -6
Does the KSM44A have the same type of charged capsule? It is different from the 27/32, but can't find any info on it. I would think it doesn't being a more expensive mic, but you never know. The KSM44 and 27 are true condensers , so they don't have this problem . shure.custhelp.com/app/answers/detail/a_id/2751/kw/ksm44%20trueSo they don't lose charge and eventually die like an electret . Thats good to know. I wonder if the love is still as strong today as it was 4 years ago. |
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