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Old 01-16-08, 03:06 PM   #7 (Link)
 
eugovector
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Re: Subwoofer crossover


Quote:
dieselpower1966 wrote: View Post
Brucek
I agree and know what you are talking about with the -3db -6 db depending on the slope.
I have read in A V review, Hometheater magazine, and what hi-fi magazines that just because the crossover knob on the sub is pointing at the 80 hz mark doesn't mean it's at 80 hz. Hometheater had reviewed a sub, and had it crossed over at the 80 hz on the test bench, but it was actually crossing over much higher something like 86 hz.
so how is one to know exactly where the sub is crossing over if they cannot believe the knobs on the subs crossover setting. and please don't say that it's a rough guess...
which brings me back to the crossover setting in the receiver. how do I know that it's actually crossing over at 80 hz. ?
Yeah, if someone put the knob on crooked, you can get messed up. If a receiver is messing it up, I don't know what to tell you. ****** receiver. So...

Turned the sub all the way up (or bypass if available) and use your receiver to crossover, or use REW and a microphone.


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