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  1. So I got a microphone thingy, downloaded a software thingy and made some sweeps... Very happy that I did it without any real hiccups, taking the measurements seems easy enough. Making sense of what I'm seeing and how I'm supposed to react is another kettle of fish :lol: Yay for bad bass! Sorry about the mic cal line on this one! but I'm enough of a kid to prefer the above to the below (prior to the subs): I am wondering if the REW sweeps were too low a volume compared to the noise floor of my room. The mic was showing low 50dB noise floor and miniDSP only wanted me to have the receiver run at 75dB on the pink noise (-12dBfS)...maybe not loud enough over the noise floor? The big null at 130-150Hz has a couple of friends in the 200-300Hz range too but the rest at +-15dB is good right Anyway something to start with. Any advice on how to proceed or better ways of looking at the data appreciated. I ran all the sweeps 10Hz-20,000 so I can muck around with them in terms of looking at things.
  2. Hi All, Having recently bought a Dayton Omnimic V2 measurement system (thanks to site sponsor Paul Spencer/The Loudspeaker Kit), I thought I'd start a discussion thread for those learning how to use it. It certainly seems like a capable piece of kit, but I have a long way to go to become proficient in it's use. Hopefully other forum users could help those of us who are keen to learn, helpful tips and hints as well as pitfalls for the unwary. The kit comes with the USB microphone, a very small tabletop mic stand, 6' USB lead, case, software disc and test tones disc. The test tones are tailored specifically for use with the system. There is a 60 page Help Manual on the software disc which seems pretty comprehensive. Discussion of other measurement systems or methods are also welcome. Regards, SS
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