-IN-
A DJ mixer (right now a DDJ-WEGO3) = 2 channels (line/stereo)
A microphone or two (one is a condenser) = 2 channels (mic preamp)
A guitar or another instrument = 1 channel (instrument in)
A computer = USB or 2 channels (line/stereo)
A phone (Android, OnePlus 2) = 2 channels (line/stereo)
Grand total of 7-9 channels. Rules out the AG06, MIX5, MIX8, 402 and the Vestax, well it’s more of a videomixer than it is an audio mixer and the company is bust. So not a good choice,
-OUT-
Monitors (assuming stereo) = 2 output buses (AUX?)
A recorder (M-AUDIO Microtrack 24/96) = 2 output buses PRE-MASTER!
PA = 2 output buses
Computer (USB) – really no sense using anything else here
Headset = headphones = phone output, pretty much standard on any mixer
This still leaves 4 output buses + record out stereo. And that is a big issue. It’s really uncommon to find even one aux bus on a small channel mixer and you’d need at least 2 (stereo) just to hook up the monitors. Also it’s very unpractical because you would have to set levels for each aux channel seperately. There are some units that will combine booth out with headphones. All in all you have quite a lot of demands for the range of mixers you are looking at.
You can consider one of the newer digital mixers, but they will clearly be in a different price bracket. I have a Mackie DL1608 which offers 16 input channels (all identical, thus preamps) and 8 output channels. All those channels can be configured to your needs. You can manage it with an iPad that you can even make wireless.
The AG-series by Yamaha is really ment to be a desktop unit to use in close cooperation with your computer (it;s branded as a webcast mixer). While it comes somewhat close(ish) to what you want there are some drawbacks. With so many different sources I would suggest looking at something a bit bigger. Something like the USB version of the MG10 or the likes. Plenty of inputs, monitor output (shared with headphones so one volume control for both – if the headphones plugged in don’t disable the monitor speakers), drawback though … no recording output.
In short, it’s a hard choice that also highly depends on the amount of money you want to spend. If you are willing to record on a laptop, a USB mixer is probably a good choice as it let’s you play from your computer without sacrificing input channels and it let’s you record stuff without a record out on your table. Most usb-mixer will allow you to at least record the master bus signal, pre-fader.
Hope that helps some
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