Along with an Allen & Heath Qu 16 Digital Mixer I also have a Roland Boss KM-6A 6 channel mixer that I would like to use to summ my drums through. The mixer gives a really cool texture to the low wend. The Qu 16 has 10 Mix outs. I wanted to setup 3 Mix outs to go to the KM-6A. The Qu 16 has A/D...