measurement microphone

I’ve got 2 10” subs and 2 LSR305 studio monitors, also getting a DSP for Christmas. Am I able to just run a Primo EM258 measurement mic with a 3.5mm cable (without a housing) to do some really basic room EQ? Buying from micbooster. Essentially just to see what my speakers and subs are capable of...

Given I already have a Motu M2 interface, I'm thinking about getting a Dayton Audio EMM-6 instead of the so famous UMIK-1 and save €20. From what I've read both are supposed to have calibration files provided by the manufacturer and should be somewhat equivalent quality/accuracy wise, although...

Hello, I am totally exhausted. I got a Behringer EMC8000 and connected it to my Focuswrite Scarlett. I used this cable https://www.thomann.de/de/cordial_ctm_3_fm_mikrokabel_schwarz.htm Is this the wrong cable or why does just nothing work? No deflection of the microphone appears in REW...

In short, how can we know if a measurement microphone is suitable for measuring speaker distortion with respect to frequency at some reference down to, say, 0.01% THD? Forgive any misconceptions I have in the following: Not all measurement microphone manufacturers publish their distortion...