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Just curious to know, when I watch a movie, I used to put it at 49hz with a roll off of 24db/oct butterworth or 48db/oct.

discuss !

*ahhh, poll dont work?
 

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I tend to use 60Hz since I think the highest freq that is non-localize-able will make use of a giant DIY sub and my mains don't blast very low anyway.


Edit: 50Hz according to Asus Xonar (pc card), with BFD filters the sub actually performs along a 60Hz with -24db/octave roll-off
 

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I tend to use 60Hz since I think the highest freq that is non-localize-able will make use of a giant DIY sub and my mains don't blast very low anyway.
Actually, 80Hz is considered the high end of the non-localizable range.

If you have a good sub and only average mains, then 80hz would be best. This also allows more of the bandwidth that causes modal peaks to be assigned to the sub. It's easy to remove these peaks with EQ or positioning.

brucek
 

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None. Bypass. :bigsmile:

As for the effective crossover, it depends on the speaker from which I am redirecting the bass. Anywhere from 45-75Hz.

Kal
 

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I have mine set to 80 Hz now because it's the lowest my receiver would allow. I think I would prefer a little lower, which would let me run my mains as "small". Right now I have them set to "large" and the receiver is set to "main + LFE" so it isn't taking anything out.

I think 80 Hz is the recommended standard, so you can't go too wrong there.
 

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I was wondering what to set my sub to for movies also, and what others put theirs at. My Yamaha sub (pile...getting relaced hopefully soon) while listening to music, pretty lound, my receiver crossover has to be set at 110hz or else it will bottom out easliy. Sounds better at 40hz at lower volumes though.
 

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I think with at least a few folks, there is a misconception that the crossover point is like a brick wall and beyond that we won't hear anything with enough SPL to matter. Without listing a crossover slope, the crossover point has limited meaning.

Another thought, let's say just beyond the -12 db point is a peak due to the room. If you have your sub running hot, this can make for significant output beyond the crossover point.

I realize not everyone has REW but an actual graph really shows what is truly going on with one's sub.
 

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I think with at least a few folks, there is a misconception that the crossover point is like a brick wall and beyond that we won't hear anything with enough SPL to matter. Without listing a crossover slope, the crossover point has limited meaning.
Yes and there seems to be another misconception that there is some magic value that can be recommended independent of knowing, numerically, all the specifics of the individual system and room.

Kal
 
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