Looking for condenser microphone amplifier circuits

pebo · 3rd September 2008, 07:57 PM

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

Wavebourn · 3rd September 2008, 08:08 PM

Here is mine.
The capsule is from Marshall MXL-770 mic.
C3 should be 20 nF for proper equalization

KSTR · 3rd September 2008, 08:31 PM

Peter,

look here for example:

DIE HISTORISCHE ENTWICKLUNG VON KONDENSATORMIKROFONEN

- Klaus

zapnspark · 3rd September 2008, 11:00 PM

Try this link:

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

ZAP

3rd September 2008, 07:57 PM	#1
pebo diyAudio Member Join Date: Jul 2008	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

3rd September 2008, 08:08 PM	#2
Wavebourn diyAudio Member Join Date: Sep 2006 Location: Pleasant Hill, CA	Here is mine. The capsule is from Marshall MXL-770 mic. C3 should be 20 nF for proper equalization __________________ The devil is not so terrible as his mathematical model! Wavebourn: We Create Creativity!

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3rd September 2008, 08:31 PM	#3
KSTR diyAudio Member Join Date: Jul 2007 Location: Central Berlin, Germany	Peter, look here for example: DIE HISTORISCHE ENTWICKLUNG VON KONDENSATORMIKROFONEN - Klaus

3rd September 2008, 11:00 PM	#4
zapnspark diyAudio Member Join Date: Sep 2006 Location: Midwest	Try this link: http://www.sdiy.org/oid/mics.html ZAP

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