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Forums :: Ask Harp Mic Expert Greg Heumann

WEEKLY MORSEL: RINSE AND REPEAT

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Wed, 04/06/2011 - 11:53
Mic Expert Frit...
Mic Expert Fritz Hasenpusch's picture
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Joined: 01/16/2010

I'm currently rebuilding a half dozen mics for a client that all have one thing in common: Their grill clothes are FILTHY!

More talk on hygiene another time... Unsightly? Yeah, and what if a mic's frontal protection screen is so clogged that it impedes the passage of soundwaves? Nothing's good about this condition...
In most cases grill silk and / or screens can be replaced. What if you're dealing with an older SHURE BROWN BULLET and the native brown fabric cloth is something you'd like to preserve?
First of all, NO SHORT CUTS! Take the time to remove the mic's grill (green or red Xlite screwdriver) and remove the cloth by pushing through the grill slots with a broad flat object, dislodging the fabric for removal from the grill. Whatever the element in the mic is, you don't want to subject it to the next step.
Pour an ounce or so of alcohol (isoprpyl, denatured, vodka) into a small jar -a babyfood jar is perfect and resealable. Place the grill cloth into the jar. You can either utilize tweezers or needle nose pliers to agitate the cloth in the alcohol or put the cap on the jar and shake it. Once you're satisfied that you've removed most of the crud and corruption from the vintage cloth, remove it from the jar (It's best not to handle the alcohol-soaked cloth -especially when using Denatured- with your hands or drink the resulting fluid., replace the jar's cap for future use, place the vintage item on a paper or cloth towel, blot it, and allow to thoroughly air dry before replacing in grill. THAT comes next time...

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