Please help me with my calibration.

james e m

Second Unit
Joined
Jun 3, 2001
Messages
497
I have always had some questions when it comes to calibration, they might seem stupid but I'm going to ask them anyway. Am I correct in the assumption that the goal of calibrating speakers is to get it so that all the speakers read the same volume on a spl meter?

Does anybody have any calibration tips? I do use Avia and a tripod mounted spl meter. My acoustic are HORRIBLE. My home theater is in my basement for now, one wall is cement and the other wall is thin wood paneling. So the speakers on the cement wall are always louder than the others and there is no way that I can fix it with speaker placement. Any ideas on how to adjust for that?

Also does anybody have any tips or techniques for calibrating a sub? My sub is a Acoustic Research S113PS, which I hate. I try to calibrate my sub to each individual speaker, but every speaker/sub rating on the spl meter is different! It's so annoying that I usually just end up doing my sub calibration by ear and I know this is a bad idea.

And how do you calibrate a 6th channel?

James
 

Harold_C

Stunt Coordinator
Joined
Apr 1, 2002
Messages
198
try to calibrate my sub to each individual speaker, but every speaker/sub rating on the spl meter is different!
Just calibrate it to the center channel. That will be close enough. It should read the same as the center channel, although most likely the needle will be bouncing around. Just try to figure out the average level of the sub. BTW, Dolby says that once you figure out the setting where the sub is the same as the center channel, you should reduce the level of the sub by about 4 dB on the meter. I think that's about right. It should sound like the sub isn't quite loud enough at first, because most of us get used to having the sub cranked too loud.
 

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