Originally Posted by jamie mac
The preamps are on channels 1 and 2
Use channels 3 and 4 for use with external pre's.
+1...I use a GAP pre to input 3 on the 610...the 610 only has 2 pre's on input 1-2
PS. also make sure that you have the volume fader up on 1-3 in that stupid little mixer..I hate that thing!!