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In Reply to: Re: Can't measure ALL pink noise with "A" weighting posted by bstan on January 06, 2002 at 11:47:05:
This gentleman has done some work with RS spl meter's.
Perhaps it is of help.http://www.gti.net/wallin/
Bill
Follow Ups:
Thanks,Yes, I have built the calibrated mic-wand and a battery operated mic-preamp displayed on that site and they work quite well.
The mods to the RS SPL meter are designed to correct the response curve for the "C" weighted curve which does measure below 500Hz, but the "A" weighted curve still doesn't measure below 500Hz.
bstan
I'm looking at getting a Behringer DSP 8024 analyzer. might be a ok measuring device with the ability to make some system changes.Bill
Yes, it gets pretty good comments here, but if you are using it to eliminate room peaks in the subwoofer range, just be aware it is limited to only a few parametric EQ filters, unlike the BFD-1124 which provides for 12 filters per channel.bstan
ok, I give. I cant find info for a BFD-1124 anywhere.regards,
Bill
although bfd.com has a pretty cool web page (very off topic)
It is currently being sold as the replacement for the BFD 1100, Behringer just hasn't upgraded their webpage yet for the 1124.Maybe this is a first! Instead of vaporware we have webvapor.
bstan
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