You should leave it at a level so that your signal isn't constantly playing int the red. This is assuming that you have VU meters on your mixer. If you don't have then, you can buy then separately.

If you consistantly play in the red, then you risk the chance of distorting your signal and wearing down your mixer prematurely. If you need a louder signal, then either adjust the attenuation on your mixer (if you can) or crank up the signal at the amplifier/receiver.

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When you dance, the DJ takes you on a journey, but he or she is usually not the focus of your experience at a club or festival or wherever you hear the music. Dancing is. Music is.

Usually my mixer output level is on +4 with peaks of +7.

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Mixed Euphoria
http://mixedeuphoria.net

I always have mine at +2 db (double orange) for constant music and +4 (single red) for short peaks and I've never had a problem. Also don't keep your eq's up too high, this can make the music sound bad too.

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"I feel like Elton John in this muthafucka." -Ol' Dirty Bastard, to the audience of his first show since being released from prison

i always try to keep mine at zero. regardlesss of the mixer and place.

I always keep mine at -2 to 0 (0 = at high peaks)

Can someone explain me what that attenuation-thing is?