Can I use my xr800f peavey mixer with Yamaha stagepas 400i speakers

SOURCE: Hi. I have a Peavey

If the subwooofer has only a single input, then connect it to the Monitor output which does a mix, HOWEVER the level will NOT vary with the main sliders, but only with the monitor pots... This is NOT really practical for performances.

There is no mixer built in the unit, so you might make a simple resistive mixer taking the "Master out" left and right using 1K ohm resistor from each to a common point that feeds the subwoofer. Tie the grounds of the sub and mixer together.

FOR SYSTEM SAFETY always power the mixer and active speakers or any interconnnected equipment from the same receptacle or source.

SOURCE: Hi, I would to say thanks

You will need at least a 24 channel mixer to give you spare channels. You also need an active crossover and a snake. The advice you need is too much to include here so I am including some links:http://mixonline.com/live/FixIts/, http://en.wikipedia.org/wiki/Live_sound_mixing, http://mixinglivesound.com/blog/tag/outdoor-concerts/,http://mixinglivesound.com/blog/, and http://www.scribd.com/doc/11435651/Beginners-Guide-to-Mixing-Sound. You may need more monitors than you are planning on and you might consider in ear monitoring.

SOURCE: i have just bought a peavey xr800f powered mixer

There are SEVERAL things to set. First is setting the EFX mix for those channels you want the effects to be active. Next, select the effect you want AND the TIME for the effect and FINALLY the amount of the effect output to go to the MAIN and MONITOR outputs. Also the effect disable button below the effects needs to be in the correct state. ALL of these have to be set for using the effects on the mics.

SOURCE: I had major static sounds from my yamaha stagepas

Chances are there is nothing wrong with the mixer. IF you accidentally turned on Phantom power, that would cause the problem. Phantom is ONLY used with condenser mics and a few DI boxes. Turning it on can create noise unless balanced lines are used everywhere.

SOURCE: Peavey XR800F 8 channel - I can't get but very

studio pro 40 amp no sound but hit reverb and biong