cleaning microphone diaphrams

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    cleaning the diaphram on a condenser mic

    I have a Neumann tlm 103, and was wondering if anyone knew about cleaning the diaphram. I was told by a local dealer here in san diego that Neumann will go through the mic and bring it back up to specs n all for $100.00. im not worried yet, but a decent ammount of dust is begenning to collect...