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crossover heirarchy?

959 Views 3 Replies 3 Participants Last post by raaj, Jan 14, 2008

gab2409

Discussion Starter · Jan 14, 2008

I have to crossover-based questions:

1. my head unit and amp both have crossover settings. does one take precedence over another, or does the crossover point just take effect at the lowest frequency of the two?

2. my head unit powers my four 6.5 speakers, and my amp powers my sub. is this connection (head unit to amp) a 2 way street, in terms of information coming and going? in other words, if I were to set the crossover on my amp at 80 Hz, would my amp know to direct anything above 80 Hz. to my head unit, and then to my 6.5 speakers? or, am I best off to set my amp's crossover to full throttle, and just set from my head unit?

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Steven Kephart

· #2 · Jan 14, 2008

1. The head unit would send a crossed-over signal to the amplifier, and the amplifiers crossover would apply it's own slope to whatever signal it receives.

2. The signal only flows one way, so the head unit doesn't know what settings your amp has turned on.

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gab2409

Discussion Starter · #3 · Jan 14, 2008

so, am I best off turning the crossover on the amp to full throttle, and setting the head unit's crossover at the point in which I want it crossed? I'd like to restrict the low frequencies going to my door speakers, without having to dismantle the door to install bass blockers.

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raaj

· #4 · Jan 14, 2008

Quote:
Originally Posted by gab2409 /forum/post/12810621

so, am I best off turning the crossover on the amp to full throttle, and setting the head unit's crossover at the point in which I want it crossed? I'd like to restrict the low frequencies going to my door speakers, without having to dismantle the door to install bass blockers.

Technically, "yes" to the bolded part of your post in the quote.

But in practice, you might obtain even more precise control by using the cross-overs on the HU and the amp in combination, depending on how granular the frequency and phase controls on the HU and amp cross-overs.

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