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Making nokia headphone's mic as a amplifier mic

kevinthumado

Mar 10, 2010
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Mar 10, 2010
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Hi guys i am new in the forum i wanted to know whether i can use my old nokia phones headphones mic (HDC-9) as a amplifier mic with help of some resistors the mic is 3.7 volts and i have another mic which is also nokia N66 that is 7.4 volts help me out please.:confused:
 

(*steve*)

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