Behringer 1202FX mixer develops 50Hz (UK) mains hum after 5 minutes working, switch off and on and hum vanishes and unit functions perfectly. Suspect rectifier caps ??
Thank you Specs2 - I have had to resolder several Marshall amps - the cheaper models are now mass produced in China on flimsy PCBs and they tend to have many dry joints - possibly Behringer 1202FX similar as they too are now produced in China. Gerry BThank you Specs2 - I have had to resolder several Marshall amps - the cheaper models are now mass produced in China on flimsy PCBs and they tend to have many dry joints - possibly Behringer 1202FX similar as they too are now produced in China. Gerry B
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I am guessing that the parts inside of your mixer are starting to wear out and your mixer is starting to die on you and you should buy a new one and the motor could be going bad too.
Assuming you're trying to power the monitors from this unit as well as the mains.....Confirm that the amp switch is in the middle position which splits the internal amps....one for main and one for monitors. Output A would power the monitors.... B would power the mains.
If the blue power light does not light up then there is a problem with the unit or power supply. As it is less than a year from purchase I would advise returning it to the shop.
Personally I would run the RCA outputs to the RCA in on the APS. If you insist on using XLR from the APS to the board (like through a snake etc) I would higly recommend using XLR to 1/4" adapters. These things have wonderful little transformers in them (yes, wire wound transformers) that do the 1/4" to XLR conversion really nicely so that you can run your signal through the snake or just so that you don't get the hum and distortion that can be associated with unbalanced signal transfer. You want a HI-Z unbalanced to LO-Z balanced adapter. Not always easy to find, but if you absolutely cannot locate any, I have a couple in stock. I suggest you look around though, because mine aren't cheap!
Sorry, this device does NOT have a footswitch input to control the effects processor. I would suggest using an external effects unit that does have a foot switch input using the FX send and Aux returns of this unit.
Thank you Specs2 - I have had to resolder several Marshall amps - the cheaper models are now mass produced in China on flimsy PCBs and they tend to have many dry joints - possibly Behringer 1202FX similar as they too are now produced in China. Gerry B
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