??
>Sorry for the !!, I need to get this running TodayIfPossible. And I'm
>Way Out Of Town. Like Africa...
>
>I have two Shure WL183's (Miniature Electric Condensers often used on
>good body mike setups). I need to "run" them on an M-audio Transit
>USB
>inteface on a laptop to do an unusual on-location recording tomorrow=A0
>(After midnight today your time).=A0
>
>The WL183's have 3 output terminals:
>
>1 Ground
>2 Bias (+ 1.5 to 10 VDC) [shown as connected to a FET Drain]
>3 Audio Signal [Shown as connected to FET Source]
>
>..so they ususlly have an external power of, say, +5V or so.
>
>The M-audio Transit USB is a 24 bit up-to-96KHz 2-channel interface
>with
>a 1/8" "Stereo" input connector. The manufacturer is not specific
>about
>the input configuration, other than to say "Can supply DC for
>condenser
>mikes". I measure +2.2VDC on each of the input terminals. It works OK
>with a typical cheap 2-terminal electret mike.
>
>So, HOW can I wire this up quickly??
http://www.uwm.edu/~type/Mic%20Preamps/shure183p-i-pAdaptercable.jpg
should work.
>
>?? Can I get away with grounding the "Source" (usually audio out) and
>connecting the "Drain" to the Transit interface, like 2-terminal
>cheap
>electrets??
>
>?? If I supply + bias externally, like a 9V battery, must I insert a
>blocking Capacitor (Sorry for the dirty word..) in the signal path??
>
>?? Any other suggestions??
>
>I hope some of you have encountered this issue before and can suggest
>or
>point to information.=A0
>
>I gotta wire something up Real Soon.=A0
>
>THANKS!=A0
>Regards, Terry King ...On The Mediterranean in Carthage
>
>
>
>
>
>
>
>"Microphones are not ears,
>Loudspeakers are not birds,
>A listening room is not nature."
>Klas Strandberg
>Yahoo! Groups Links
>
>
>
>
--
Rob Danielson
Film Department
University of Wisconsin-Milwaukee
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