Home Theater Systems - Electronics and Forum - HomeTheaterShack - View Single Post - I think I have a problem.
View Single Post
Old 01-01-08, 11:33 AM   #10 (Link)
 
brucek
Shack Administrator
Platinum Supporter
Alias: brucek
User: #6
Since: Apr 2006
Posts: 4,548
brucek is offline
Re: I think I have a problem.


Quote:
I was kind of hoping someone would come back and say that I could EQ the subs by just dropping their volume, no real need for a BFD. What are your thoughts on that?
Well, it certainly was my first thought. I really don't like these negative house curves that people use because they start at 75dB and then drop the upper end too much. To me, the standard target should rise unaltered until the crossover and then begin to raise down to about 30Hz and then flatten out. The simplest curve there is, is a (0db at 80Hz and 5dB at 30Hz). Yeah, some people like to make that rise linear , and that's fine if you like that - but stay away from negative house curves. If you take away your house curve completely, your response is actually quite good on its own and it would be fine if the mains integrated well. You'll have to take a look at that when you add the mains.

Quote:
Now, to do that, I need to increase my sweep up to what, about 300Hz? I'm assuming that I don't need to go up to 10,000Hz or anything as the subs are well out of range by that point; right?
No, do nothing different than when you measure the sub alone - except readjust your Check Levels routine. The area of interest is at the crossover (80Hz) and then an octave above and below that, so 200Hz upper axis is fine. Try to get the transition around the crossover as smooth as possible with the sub phase and a bit of sub distance trim if needed. If the sub began to rise after and below the crossover a bit down to your lower end, then all the better...

brucek


Forum Rules Reply With Quote