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Setting the "crossover"?

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Setting the "crossover"?

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Old 03-16-01 | 11:46 AM
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From: Surrounded by idiots...
I just read a thread about setting the crossover. What does this mean? Do you mean setting the delay, vis a vis the distance?
Old 03-16-01 | 12:21 PM
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Originally posted by Toad
I just read a thread about setting the crossover. What does this mean? Do you mean setting the delay, vis a vis the distance?
A crossover is an electro-mechanical device in a speaker that takes an incoming signal and "decides" what frequencies to send out. In traditional speakers, the crossover gives certain frequencies to each of the drivers in the speaker. That way, the tweeter isn't trying to play bass notes, and the woofer isn't being sent frequencies it can't reproduce. In a subwoofer, the crossover determines what the highest frequencies are that it'll pass to the driver (well, it sends the signal to an amp which feeds the driver, but still...). Most subwoofers have adjustable crossovers, allowing flexibility and system integration.
Old 03-16-01 | 01:42 PM
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[QUOTE]Originally posted by stevevt
[i]
A crossover is an electro-mechanical device in a speaker


not to be picky, but there are now a number of software based crossovers which operate entirely in the digital domain (e.g. meridian). also the crossover doesn't have to be "in" a speaker, but, of course, the output does feed the speaker. finally, i'm not sure why you called it mechanical since neither passive nor active crossovers have any moving parts.

as to toad's question, adjusting the delay time and crossover are not related. as stevertimplies in his response, you adjust the crossover to achieve the best system integration or blend between the speakers. for most people, this means adjusting the crossover point (if you have a receiver or sub-woofer w/ an adjustable crossover) between your main speakers and your subwoofer. of course there are other factors which impact integration beyond the crossover, such as volume, speaker type and location, etc.

the delay adjustment is intended to control the time that the sound reaches your ears. although the way you adjust the delay varies a bit with different equipment, in general you measure the distance from each speaker to your listening position and enter the value into your receiver or processor via a menu.

hope this helps.


[Edited by audrey on 03-16-01 at 11:58 AM]
Old 03-16-01 | 01:50 PM
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Originally posted by audrey

not to be picky, but there are now a number of software based crossovers which operate entirely in the digital domain (e.g. meridian). also the crossover doesn't have to be "in" a speaker, but, of course, the output does feed the speaker. finally, i'm not sure why you called it mechanical since neither passive nor active crossovers have any moving parts.

as to toad's question, adjusting the delay time and crossover are not related. as stevertimplies in his response, you adjust the crossover to achieve the best system integration or blend between the speakers. for most people, this means adjusting the crossover point (if you have a receiver or sub-woofer w/ an adjustable crossover) between your main speakers and your subwoofer. of course there are other factors which impact integration beyond the crossover, such as volume, speaker type and location, etc.

the delay adjustment is intended to control the time that the sound reaches your ears. although the way you adjust the delay varies a bit with different equipment, in general you measure the distance from each speaker to your listening position and enter the value into your receiver or processor via a menu.

hope this helps.
Good point about software crossovers. My excuse for calling them mechanical devices is that I had to submit my first draft, since work came calling before I had time to "fact check" and "polish."

I think between us, Toad got a pretty good answer. Especially yours.

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