It depends on the effect you´re trying to achieve.
Use pre fader to let the send be unaffected by the fader value.
I normally just use post fader

quote:

Originally posted by cristianokeller Can someone please explain when to use a Send in Pre position instead of Post? tks my friends

An example is when the send is a kick going into a compressor's sidechain input (this is in Cubase 4). If you don't want to hear the kick that is driving the sidechain, you select prefader and drop the channel's fader to 0.

As Beyer said, it's for when you want the effect level to remain constant, regardless of the original sound's level.

derail, this is exactly what I do here in Logic 8 to send the signal to a bus... And also put the fader volume to 0 and mute it... Yes I realy see that it's Pre "Fader" when I do this

But, I need to know more of the Pre when sending to efects like reverb, delay... I need to know in examples the real advantages to use it instead of Post...

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Have you tried sending something to a reverb pre-fader, just to see what it sounds like? its up to you if u wanna use pre or post, just try and it see what happens?

I find it handy for "fx" like stuff, saves using another instance of a reverb unit on a seperate track - just use one of the reverbs u already have on one of your return tracks, switch the channel to pre-fader and adjust the send level & channel level to taste

course it doesnt have to be a reverb, just whatever u like......

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As evo8 said, reverb is one application. If you wanted a sound to be 100% wet, with no dry signal coming through, prefader's one way to do it.

Of course, you could route the sound's channel straight through to the reverb send - the reverb on the send bus is usually set to 100% wet, so it would achieve the same result.

I can't remember off the top of my head the example my live sound teacher gave for when you'd use prefader. It made sense at the time.