I'll try keep short, while changing setup for pair of my crown xls2502's to run a pair of pro subs in bridged mode I accidentally used wrong patch cords standard NL2 speakon , which means channel 1+ went to pin 2+ xlr which is correct but channel 1- went to pin 1-xlr not correct for bridged mode should be channel 2+ to xlr 1-, but worked and sounded good, how did amp have output without channel 2+ hooked up in bridged mode?