I returned the mixer to the seller. It had an unbearable hum. I will look for a quality DJ mixer. But I did enjoy the subharmonic synthetizer so much that I purchased a brand new DBX 120a. Basically, it will makes any flat LP sound like a 200gr Jamaican pressing 12" 45rpm dub plate... The 120a will be inserted between the active crossover and the power amps for the bass channels so that it doesn't interefere in the upper ranges. Now looking for a quality analog mixer with 4 channels. Maybe a UREI 1603, or an Allen Heath... No knobs there. I want sliders... ;) Oh, and I made some 18U cabinets with casters this weekend. It has a serie of holes at the bottom to allow fresh air to enter, and has a free U at the top to evacuate hot air, while the back is fully open. Now waiting for the rails to arrive in order to mount everything properly.
http://img.photobucket.com/albums/v6...y/DSCN1206.jpg