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PostPosted: Wed Feb 23, 2011 6:22 pm 
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I have hooked up some Pyle Speakers.
In the back I have the 6x9's.
In the front I have midrange in the dash
and tweeters on the pillar.
The midrange and tweeters came together
with a crossover. I have hooked them up ok,
but not sure on the settings marked on the crossover.
There are 2 switches, they are both marked
6db/12db. I'm not familiar with this as I thought
it would be in Hertz? Anyway, which setting should
I use for the tweeters and which for the mids?
I have my choice of 6db or 12db.
Thanks for the help.


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PostPosted: Thu Feb 24, 2011 7:32 am 
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It could be the crossover slope or an attenuation circuit for the tweeter. I'm thinking more slope because 6-12db attenuation on the tweeters would practically shut them off. Its a matter of taste...play with the settings and use the one you think sounds best :d

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PostPosted: Thu Feb 24, 2011 10:18 am 
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Thanks for the reply. Still not clear though.

But, after a fair amount of searching, I believe I have found
the definition that answers the question.

Quote:
6 dB, 12 dB or 18 dB SLOPE
There are different rates for the reduction of power, called SLOPES. The most common are 6 dB, 12 dB and 18 dB slopes. (dB=decibels) A 6 dB slope will reduce the power at a rate of 6 decibels per octave starting at the chosen crossover frequency, creating a gradual slope of power reduction. The 12 dB and 18 dB per octave slopes work the same way except that a 12 dB slope has twice as much reduction per octave as the 6 dB slope and an 18 dB slope has three times the amount of reduction, thus cutting off the unwanted frequencies three times as fast.




I contacted Pyle who said the switches controlled bass boost, but without a model # I was not
getting specific answers. And this didn't make sense as these were a boxed set and boosting
bass to a tweeter is contradictive.

So I guess the answer is really to obtain the best sound, of course. Using the 6db selection on
the tweeter may produce a sweeter spot, though only if the tweeter can handle it. It would
be safer to use the 12db to be sure not to burn out the tweeter.
However, since I'm not mixing/matching components, this 'boxed set' from the manufacturer
one would assume you could select either setting for either driver and be safe. But on the
other hand I think it would also apply to how much power your running. When I do install the
amp, then perhaps I should be more concerned about burning out the tweeter, but for now
just driving them with the deck, I should be ok with either db setting based on my taste.


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PostPosted: Mon Mar 14, 2011 1:01 pm 
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^^^Sounds about right. 8)

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PostPosted: Wed Jul 13, 2011 7:58 pm 
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Thanks for this one! Now my sound system works great!

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PostPosted: Wed Jul 13, 2011 8:21 pm 
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just use the highest setting. it's know as the frequency roll off, and that's the rate at which the high pass filter intercepts the frequency. the higher the setting, the better.

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PostPosted: Wed Jul 13, 2011 9:52 pm 
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TheSilverBullet wrote:
just use the highest setting. it's know as the frequency roll off, and that's the rate at which the high pass filter intercepts the frequency. the higher the setting, the better.



That's way to general a statement. In many cases a lower crossover point is more desirable from a tweeter. Higher isn't always better.

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