I hope this is the right forum for this, pre-amp schematic? - diyAudio
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Old 24th April 2006, 10:18 AM   #1
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Default I hope this is the right forum for this, pre-amp schematic?

Ok, so hopefully this is the right forum, seems appropriate, maybe not, if not, i'm sorry...

So I want to try and build a pre-amp for my microphone (Binaural, so.. stereo signal). I was looking around the net for the simplest one and came across this:

Click the image to open in full size.

That appears to be the simplest version I could find for a mic preamp.

I have a couple questions, though. Im assuming this wont handle a stereo signal, and if so, what might need to be changed to handle a stereo signal? And two, (I'm really noob, so excuse me) Where would I connect the leads for the power? heh, was hoping to maybe run this off a 9v battery

Thanks in advance
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Old 24th April 2006, 10:39 AM   #2
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Excuse me, but you must have forget some central. You can't amplify without any active parts or energy.
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Old 24th April 2006, 10:44 AM   #3
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Hmm, so that isn't the gist of the circut? Darn =/ Any recommendations on an easy to build 9v battery powerd stereo preamp? heh
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Old 24th April 2006, 10:45 AM   #4
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Presumably that's a feedback network to connect to a preamp?, to set the gain at 33dB - but the main part of the circuit is missing.
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Old 24th April 2006, 10:48 AM   #5
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No simple ways to boost my mic signal to line level?
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Old 24th April 2006, 10:54 AM   #6
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the simple way is to build a mic preamp
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Old 24th April 2006, 10:55 AM   #7
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Well thats what I want to do, just cant find a good schematic for me to try out (Im new to that also, I can solder, just never really made a circuit before heh)

Edit - How about this? http://www.ee.washington.edu/circuit...uits/Micro.GIF
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