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Old 3rd September 2008, 07:57 PM   #1
pebo is offline pebo  Germany
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Default Looking for condenser microphone amplifier circuits

Hi,

I have searched diyAudio and the web for circuits of condenser icrophone impedance converters/amplifiers. All I have found (beisde tube circuite) were quite simple circuits with one JFET and a few passive components. Is this the type of circuit used in the better/more expensive condenser microphones? Does anyone here have some information? I do not need a circuit diagram with component values necessarily, a diagram showing the basic idea will do.


Greetings


Peter
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Old 3rd September 2008, 08:08 PM   #2
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Here is mine.
The capsule is from Marshall MXL-770 mic.
C3 should be 20 nF for proper equalization

Click the image to open in full size.
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Old 3rd September 2008, 08:31 PM   #3
KSTR is offline KSTR  Germany
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Peter,

look here for example:

DIE HISTORISCHE ENTWICKLUNG VON KONDENSATORMIKROFONEN

- Klaus
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Old 3rd September 2008, 11:00 PM   #4
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Try this link:

http://www.sdiy.org/oid/mics.html

ZAP
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