Hi

I have this speaker I would like to measure the response of. For starters
I'm only interested in the spectrum, not impulse response.

I have the instruments to generate the signal for the speaker and to analyse
the recieved signal from the microphone.

But I have no microphone - any recommendations which one to buy cheap (less
than perhaps 30$), perhaps one with a non-perfect sprectrum, but with a
calibration curve supplied for each mike?

Thanks

Klaus