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Recent content by EdCampbell

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    Adding a 3 band equalizer to a phantom powered electret mic amp

    Not easy here in Mexico. We are buying one this week, and then once we have sorted out the room eq I can carry on with my own tests. This mike will work fine for general recording but for what I want I need it to not be so sensitive and allow me to do normal equalisation on the desk and not have...
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    Adding a 3 band equalizer to a phantom powered electret mic amp

    The Electret mic is not for direct voice use. I have AKG mics for that and have no issues with them. The electret mic is for ambient pickup, however It gives me a reading of about -5 db on the vu meter with the gain fully down. The thing is firstly the Soundcraft desk I am using is very...
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    Adding a 3 band equalizer to a phantom powered electret mic amp

    Ok, that I understand. Right let me try to explain, When I connect the mic to the mixer, my gain is on infinity, the channel slider is down as are the aux controls to the monitors etc. What I hear through the pfl is a sort of ring on high frequencies, and I picked it up on a recording I did...
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    Adding a 3 band equalizer to a phantom powered electret mic amp

    Just a question, or a comment. The eq would have to ref to earth, as pin 3 is the return from the mixer. Yes? - - - Updated - - - I have looked at many of the circuits available and many of them need a battery to power them. I do not want this as I do not want the mic to fail halfway through...
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    Adding a 3 band equalizer to a phantom powered electret mic amp

    Thanks for the feed back, Ok with R2 and R8 reduced in value it does attenuate the output signal wich gives me more head room on the mixer, however I need to be carefull not to go too low on the supply to the mic, which will reduce its noise rejection. I was thinking on a passive system less...
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    Adding a 3 band equalizer to a phantom powered electret mic amp

    Hi firstly I am new here and would like to say that I am more of a hobbyist than an expert in electronics, However right now I am working on a phantom powered electret microphone for use as a direcional mic. The design of the mic amp is not mine, and is in a way a balanced output and is powered...

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