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diyAudio Member
Join Date: Jul 2005
Location: North Derbyshire
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Re: microphone impedance detector
Quote:
Originally posted by dypotts
I need a circuit or a technique for detecting if an electret mic or dynamic mic is connected to the amp input to make appropriate gain adjustments. I thought about sensing the voltage and using comparators to control switches across gain resistors. Any ideas?
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What's wrong with a volume control?.
The outputs from microphones tend to be fairly similar, and the normal input controls do all that's required.
What are you trying to do?.
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Nigel Goodwin
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