Besides the little Edirol digiital mixer that I use most of the time, I also have a Yamaha MG82CX, similar to above, but with 8 channels, effects and compressor. Love it when I need a few more channels.
In addition I have a Peavey PV10 when still more is needed.
http://www.bhphotovideo.com/c/product/61...ding_Mixer.html
There is a USB version of it now too.
All have proven to be excellent mixers for live performances.
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DonM