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Audio > Microphones > Mic Impedance m...
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Mic Impedance mismatch ?

by "Sonbo" <Sonbo@[EMAIL PROTECTED] > Jan 26, 2006 at 03:35 PM

I have a Olympus DS-2 recorder, the specs say mic jack 3.5mm mini jack 2k
ohms or more.

I want to plug in a radio shack PZM MICROPHONE 33-1090B  that says
impedance
600 ohms

I did a little research and found this

INTRODUCTION:

The RS PZM microphone is an omnidirectional electret microphone patterned
after a principle invented by Crown International called the pressure zone
microphone (hence, PZM).  The output impedance of the stock microphone
is about 600 ohms (unbalanced) and it requires a phantom supply voltage
from -1.5V to -12V DC for operation.  The stock microphone has a supply
module and built-in line-matching transformer to convert 600 ohms
unbalanced
to about 10K ohms unbalanced

Does this mean the impedance is 10K ?
What would happen to the recorder if I plugged in a 600 ohm mic into a
Jack
that requires 2K or better ?

Thanks




 3 Posts in Topic:
Mic Impedance mismatch ?
"Sonbo" <Son  2006-01-26 15:35:38 
Re: Mic Impedance mismatch ?
"TimPerry" <  2006-01-26 17:37:22 
Re: Mic Impedance mismatch ?
Cinderlane@[EMAIL PROTECT  2006-02-04 10:00:05 

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tan13V112 Fri May 16 22:12:55 CDT 2008.