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In Reply to: some "Y"s posted by Joe Murphy Jr on January 06, 2002 at 12:01:15:
Agree with the 45 degree angle for RS meter.Disagree with "A" weighting because it does NOT correctly calibrate re-directed bass and LFE bass content from the DVD.
The SPL calibration measurement is designed to balance all speakers including the sub.
"A" weighting will mis-calibrate the sub.
bstan
Follow Ups:
[The SPL calibration measurement is designed to balance all speakers including the sub.
"A" weighting will mis-calibrate the sub.]Your info is correct. But, WHEN did I mention calibration of the sub? The fact is, I didn't -- WHY is that so hard to understand/see/read? My point is this: I deliberately left out calibration of a sub until I knew what speakers were in his system and what type they were (full-range, small or a combination). The sub "how to" chapter can only be explained after you know this information. To set up the sub, you MUST use C-Weighting (the A-Weighting's low end starts at about 500Hz -- not exactly sub territory).
Simply:My advice would be to have a new HT person use one method for balancing all speakers using the "C" weighting so he wouldn't be confused when he gets a sub and goes to calibrate that sub and can't understand why he can't get a reading with the "A" weighting.
bstan
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