Yes that's is okay. However, you may need an RC filter in the V supply (of either circuit) between the 2K2 and 22K resistors. This will ensure that amplifier signal, that has gotten into the supply rail, will not feedback into the amplifier input via the mic bias circuit and cause oscillations.the first diagram is connected to a three terminal microphone but we were able to find a two terminal microphone only,, will our connection be alright?
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by Jake Hertz