Nu4-6000 bridged not producing sound.
I have a nu4-6000 amp and have 2-um18 and 2-um15 subs. I started by taking one of the um15 out of the box and wiring it in series. I wired my 4 pole speakon to 1+ and 2+. Set the mode for a/b to bridge and the crossover to LF. The guy I bought the amps from had 1/4in TRS Stereo Plug to RCA jack adapters on the inputs. I have my lfe cable plugged into input A. I get no output when I run test tones from my receiver. Any ideas? Something I'm doing wrong?
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Last edited by dltnjarrel; 05-07-2019 at 02:48 PM.