I have a Behringer pmp1280s. It was working fine 12 months ago. I got it out again today. Everything lights up fuses are fine. level lights work. No sound out of speaker outputs
Audio Players & Recorders - Behringer
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Answers & Comments
Hi Michael Papaliam corroborates the position of the key that assigns the signal to the amplifiers, which is not in Bridge position or assigned to the monitors
Check and comment
Regards Franco Dosil
Hola Michael Papaliam corrobora la posicion de la llave que asigna la se?al a los amplificadores, que no se encuentre en posicion Puente o asignado a los monitores
Controla y comenta
Saludos Franco Dosil
http://downloads.music-group.com/software/behringer/PMP1280S_PMP880S_PMP860M/PMP-GROUP1_ENG_Rev_B.pdf
https://www.behringer.com/Categories/Behringer/Mixers/Powered/PMP1280S/p/P0568/Videos
I doubt that there is a problem with the unit. Usually people have problems with their cables or the speakon plugs themselves.
Unscrew the connector that is used on both ends and double-check their connections. Sometimes the screws that hold the heavy gauge wire in place, come loose. Also make sure that they are in the right places. Sometimes you have 4 connections. Make sure they are in +1 and -1 connections. Every once in a while you'll find a quirk unit that requires you to use +2 and -2 instead. Look at the back of the amp. It should tell you which numbers it uses. Make sure you check the same thing on the speaker end also. If you have a meter or continuity checker, use it to make sure it's wired right.
This is a professional piece of equipment. They don't go bad easily. Make sure you tighten those connections real good and that you pay close attention to the engraved numbers on the speakon connectors. (That is if they are quality connectors. The cheap ones may NOT tell you the numbering or the phase, ((+ or -)). Hint: The negative one is always closest to the outside of the plug. You'll have to study it to understand that. The screw terminals on the inside have 'walls' on both sides of it. Those are the + connections.
Also, check the switches on the front. You may have one of the switches in the wrong position or setting. Also if you're using phantom powered mics, you have to turn the phantom power on or else they will not work. Hope this helps.