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Old 06-04-07, 08:41 PM   #19 (Link)
 
strange_brew
Shackster
Alias: Craig
Loc: Oakville, ON, Canada
User: #5918
Since: Jan 2007
Posts: 54
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Re: Need help with Soundcard Cal


Quote:
brucek wrote: View Post
You're measuring a sub. Change the graph scale (use the Graph Limits icon) to a vertical scale of 45dB to 105dB and the horizontal scale from 15Hz to 200Hz. Lets see what it looks like..

Did you press the Set Target Level button before measuring?

brucek
Ok, I ran through the entire procedure again right from the beginning. I'm not sure what step I missed before but obviously I screwed something up. Here is the result using the scale per your suggestion. This is about what I expected - I told a buddy of mine I thought I had a massive valley at 60Hz and I wasn't far off! I also knew I was missing a bunch of bottom end punch and this bears out that assumption. Now how to fix it?



I don't have my BFD yet, but I'll start with moving the subs around and see what happens. I currently have 2 subs on my front screenwall and I can only move them laterally across the front. Any suggestions for placement? Right now they are each about 1/3 of the way in from the sidewalls. I could also employ the notch filters in my B&K Ref 50 pre-amp....


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