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Chip Amps Amplifiers based on integrated circuits

Velleman MK136 with cardioid mics
Velleman MK136 with cardioid mics
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Old 7th May 2011, 07:41 AM   #1
ClaudioV is offline ClaudioV  Italy
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Join Date: May 2011
Default Velleman MK136 with cardioid mics

Hello everybody!
A dear friend of mine advised me to ask in this forum to find the answer I need, thanks to this helpful and friendly community around here... So, though this is my very first post, I'll start with a question; I hope you don't mind and that this is the right forum section in which to write.

As you read in the Title I would like to build the velleman MK136 stereo amplifier
http://www.velleman.eu/downloads/0/m...nual_mk136.pdf
but I would like to use as mics, this two electret condenser cardioid
http://products.cui.com/CUI_CMI-5247...df?fileID=3136

Is this possible? And, if yes, what would it be the right value of R1 and R2?
If you are able to give me an answer please also tell me how you did it, I'm very insterested in learning, though I don't have so much time to...

Thank, thank, thank you
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Old 7th May 2011, 06:20 PM   #2
pacificblue is offline pacificblue  Germany
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Join Date: May 2008
The datasheet specifies 680 Ohm.
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Old 7th May 2011, 07:57 PM   #3
ClaudioV is offline ClaudioV  Italy
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Join Date: May 2011
: | So it's that easy? I'm so ignorant...
However, I forgot a thing: if I want to use just one mic for the moment shoul I replace the missing mic with a wire?
Thank you again and sorry for this dumbness
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