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Thread: My Mic won't work..

  1. #1
    Join Date
    Mar 2001
    Posts
    540

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    Hi guys, again! I haul my mac apart on regular occasions and am just about getting to know all the problems associated with it! Anyway I can't seem to get my macs microphone socket to work. I have a clean install of OS 9 the machine is essentially a G3 300MT with an added A/V card. The headphone socket works and I can play sound through my mac and out to my Hi Fi via the audio ports but I can't seem to get sound in via the mic port. Anyone any ideas?? I thought it might be conflicting SW but I tried it on a drive with none and still nothing. I think I must be missing an extension. I have the apple audio extension in the ext. folder. please help!

  2. #2
    Join Date
    Oct 2001
    Location
    Varies widely
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    100

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    Are you using a PlainTalk (or compatible) mic? If not, that could explain it

    Check to make sure nothing is stuck in the port that might be shorting it out, too.

    Is your Sound Input set to "Sound In?" Check your Sound control panel.

    p

  3. #3
    Join Date
    Mar 2001
    Posts
    540

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    you mean a std mic won't work in the mac port? I admit it isn't a mac mic. I have to use an apple one? it doesn't matter whether I use sound in or external mic neither detect a signal

  4. #4
    Join Date
    Dec 2000
    Location
    Winterville, NC, USA
    Posts
    96

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    Greentree, the plain talk mike has a longer plug than a pc mike. thats probably your problem. if you can't find one let me know and i'll send you one. i've got a box of them somewhere.

    stewart

  5. #5
    Join Date
    Jun 2000
    Location
    Glenview, IL
    Posts
    111

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    I fairly certain that the mic signal also needs to be amplified before it hits the port. The apple mics have a built in amplifier.

    UP

  6. #6
    Join Date
    Jul 2001
    Location
    Las Vegas, NV, USA
    Posts
    1,559

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    Yes. The Microphone port in all Macs requires either a Plaintalk Microphone (with built-in pre-amp) or a 2V p-p signal. You can accomplish this by porting a small tape recorder between the mic and the port with the recorder set in record mode.

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