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Making nokia headphone's mic as a amplifier mic

Discussion in 'General Electronics Discussion' started by kevinthumado, Mar 10, 2010.

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  1. kevinthumado

    kevinthumado

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    Mar 10, 2010
    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:
     
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    Jan 21, 2010
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