X.over?

[Wafflesomd]

So I noticed this on my Pioneer VSX-815, what exactly is it?

 

[Sheep]

So I noticed this on my Pioneer VSX-815, what exactly is it?

It's probly the Xover between the speakers and sub for the LFE out.

You DO have a manual, don't you?

SheepStar

 

[Wafflesomd]

No manual, it was an out of box buy.

LFE out? Sub out?

 

[no. 5]

It's probly the Xover between the speakers and sub for the LFE out.

yes, that is correct

 

[jaxvon]

It's probly the Xover between the speakers and sub for the LFE out.

You DO have a manual, don't you?

SheepStar

FYI Waffles, Xover= crossover. This is the frequency where your receiver crosses over the signal from the subs to the other outputs. The standard choice is 80Hz.

 

[Nick250]

No manual, it was an out of box buy.

LFE out? Sub out?

Here ya go for the manual. Remember, Goggle is your friend.

http://www.pioneerelectronics.ca/poc/product/manual/0,,32171715_32253025,00.html

Nick

 

[Seth=L]

Goggles are my friend?


The X-over allows you to send frequencies that you don't want your speakers to play. This reduces stress on your receiver's amplifiers. Say you set the x-over to 100 hz, your front speakers rolloff at 100hz because the receiver's x-over makes it do that, and then diverts the freqencies below 100hz to the sub. In order to utilize the x-over in the receiver the subwoofer's over needs to be turned all the way up or by-passed if that is an option on the subwoofer.


LFE= Low frequency effects. This applies the .1 track of a Dolby 5.1 DTS 5.1, 6.1 soundtrack.

Sub out= Subwoofer output. It is a line-level variable output on the rear of any modern receiver that sends out either a mono track of stereo or LFE channel.

 

[Wafflesomd]

Ok, so I'm wondering, I'm going to be building my sub.

Let's say, if I set the x.over to 80hz, is that only going to set a cut-off for the speakers, of will it also set a corssover for the LFE out. So that only 80hz and below are sent through the pre-out, this way, if I used a regular, maybe, stereo amp to power my sub, it wouldnt need a crossover.

 

[no. 5]

if you set the crossover to 80Hz and all speakers to small, any sound below 80Hz will be sent to the subwoofer (LFE or not).

 

[j_garcia]

A crossover is not a brick wall. The sounds do not roll off at 80Hz, they BEGIN to roll off at 80Hz if you use an 80Hz x-over; you will still get sound below and above that (depending on the high or low pass to which speaker - high pass to main speakers, low pass to sub), though at a reduced output the further you get from the x-over.

Are you planning on building a kit or buying parts and building your own sub? There's a lot more to it than just building a box and putting the driver in it. Your sub will need its own amp also.

 

[no. 5]

The sounds do not roll off at 80Hz, they BEGIN to roll off at 80Hz if you use an 80Hz x-over; you will still get sound below and above that, though at a reduced output the further you get from the x-over.

hence the name crossover, not say, filter.

 

[Wafflesomd]

A crossover is not a brick wall. The sounds do not roll off at 80Hz, they BEGIN to roll off at 80Hz if you use an 80Hz x-over; you will still get sound below and above that (depending on the high or low pass to which speaker - high pass to main speakers, low pass to sub), though at a reduced output the further you get from the x-over.

Are you planning on building a kit or buying parts and building your own sub? There's a lot more to it than just building a box and putting the driver in it. Your sub will need its own amp also.

Yah, I know....

I don't think you guy's got me.

If I set the x.over to 80hz, what freq's will come out of the LFE?

 

[j_garcia]

100% of 80Hz and below, plus some sound all the way up to about 160-200Hz, depending on the slope.

 

[Wafflesomd]

100% of 80Hz and below, plus some sound all the way up to about 200Hz.

Thanks, that's all I needed to know.

 

[Nick250]

Yah, I know....
I don't think you guy's got me.
If I set the x.over to 80hz, what freq's will come out of the LFE?

On my receiver there is an independent setting for LFEs which I set at 120Hz because as I understand it, that is the upper cut of point used by the sound engineers for LFEs. The rest of my speakers are set to small and crossed over at 80Hz. You would need to read your manual to see how your receiver handles LFEs.

Nick