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second-hand back electrets vs. condensers.

Discussion in 'Pro Audio Equipment' started by John Stafford, Oct 22, 2004.

  1. John Stafford

    John Stafford Well-Known Member

    I'm wondering if it's a good idea to buy mics like the AT-4033 on ebay, or should I stick to true condensers? I'm concerned about the degradation in SNR over time. I know that matters have improved greatly with modern designs, and that modern electrets have a longer life-span than ever before, so should I be concerned if one of these mics is more than ten years old?

    John Stafford
  2. JeffreyMajeau

    JeffreyMajeau Active Member

    I wouldn't worry too much about the de-polarization of a back-electret mic. I've got some back electret lav's that are about 20 years old that still work fine. I'd certainly test the mic, if possible, but it's not too much of an issue these days, IMHO.
  3. John Stafford

    John Stafford Well-Known Member

    Thanks Dan for the info. It's good to know that this shouldn't be a problem, as there's quite a few electrets that I'm interested in trying.

    MAny thanks,

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