JP2.0 Part IV A.K.A. first test photos don't make fun of my cardboard

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#21
DIY_newbie said:


Isn't this exactly what you want? Unless the speakers are going to stand in an open field you want the response of the speakers and the room combined at the listening position... Or am I missing something?

--Chris
Click to expand...

The short answer is no. A RTA can be very useful for measuring room/speaker interactions (mainly in the bass regions).

Longer answers:

http://www.mlssa.com/pdf/MLSSA-Brochure.pdf
http://www.libinst.com/mlsmeas.htm
http://www.audiomatica.com/download/cliomls.pdf

For really long answers read some of the AES papers referenced in the above documents.
 
#22
Mac is correct. However RTA is still better than nothing and is often cheap 😉 . If you have RTA, make sure to measure outside, speaker up high as possible so you get a decent idea of what the speaker itself is doing. Then when you measure in room you get the total interaction of room/speaker (at one certain point!).
Just make sure not to measure only in room as you won't really have a clear picture of what the speaker itself is doing.
Have fun no matter what😀

Cheers,

AJ
 
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