newbie question

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I am just starting with REW. I have a practice booth I use for playing trumpet, and am looking to record in it. I want to use REW to learn the acoustical characteristics of the room. Since measurements involve a loudspeaker running sweeps and pink noise, I want advice on how to eliminate as much as the results due to the speaker's properties, and just get the results (as much as possible) due to the room. I do have a monitor in the room that I use when practicing, a Roland Cube Monitor 3. But that product is normally used for performance applications, not for mixing/producing. Will this work, or should I have a different speaker to do these measurements?

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John Mulcahy

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Apr 3, 2017
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The ideal source for room measurements would be omnidirectional and have a very wide and flat frequency response. Specialist acousticians may use dodecahedron speakers like this to approach that ideal, but for most purposes any speaker with decent low frequency extension can be used, so that there is enough energy to drive the room at the low end where modal resonances have a strong influence. The smaller the space, the less important the low frequency extension becomes. The Cube is probably not a good source though. I didn't come across any indication of its frequency response, but it isn't likely to reach very low. Better with something that has larger drivers.
 
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