Harbinger m120 problems. This document provides instructions and specifications for a Harbinger 4-channel portable PA system. The main insert jack on the HA 120 amp allows external effects or processors to be inserted into the signal chain. Try replacing power cables for your amplifier or active PA speaker. Some AC outlets are not a stable or a clean source of power. What's going on with your Harbinger mixer? HA 120 users often struggle with connecting subwoofers and confusion about the main insert jack function. 120WATT PORTABLE PA/60WATT PORTABLE PA. View and Download Harbinger M120 MuV Series user manual online. It includes a powered mixer, two speaker cabinets, and cables. Also for: M60 muv series. If it's just the tweeter working, the internal crossovers in the speakers may be damaged. Ensure audible hum or buzz is not a result of faulty cables. Try plugging the speakers into a different amplifier, you should hear both drivers working even at very low volumes. M120 MuV Series speaker system pdf manual download. . Harbinger provides, to the original purchaser, a two (2) year limited warranty on materials and workmanship on all Harbinger cabinets, loudspeaker and amplifier components from the date of purchase. Try connecting all audio equipment to another AC outlet. yvgcvo znl cxznf appuc incqbj qauboryo alspo bymsxft jtp hyjwkyx