Roland KC550 Amp Keyboard "powering" Questions

does the peavey xr-600b have phantom power It does not have built-in phantom power. Phantom power is a method used to provide power to condenser microphones and other devices that require a small ...

model Yamaha ME-50 no power no Power fuses good John With AC power off. Use a meter (on Ohms scale) to check internal fuse for blown (open) fuse. If you feel qualified & safe with AC Power ...

My Roland kc 550 will not power on. Hello, if it does not power up, then it means its having a power problem. it might have worked fine in the past, but that's electronics for you. Power surge, ...

fuse power amp is good I have power on power supply but the amp does not turn on what meaning is this? I have tested until fuse after the power supply the fuse works what am I to find out if is not ...

power supply for vocalist 2 goes bad twice Likely the supply was underated OR it is getting hit with a transient. Transients are common in some venue power systems. There should be a label on the unit

Marshall MG50 DFX makes a squealing noise on power up I?m trying to find a problem with a Marshall MG50 DFX solid state amp for my brother-in-law. It makes a very loud squealing noise on power up ...

i have a lowrey organ and when i plug it in it does nothing . no power at all anybody got any ideas If you feel comfortable doing it you could try removing the back and examining the power supply. ...

bought a powered monitor as it said to do in the owner's manual, even though I thought it was weird as you usually use a passive monitor with a power amp. Purchased Kustom 10" powered monitor, ...

bought a powered monitor as it said to do even though I thought it was weird as you usually use a passive monitor with a power amp. Purchased Kustom 10" powered monitor, hooked it up to monitor ...

I have a Focusrite Pro 10 i/o Firewire Interface and am experiencing 60 Hz hum through the mic pres when phantom power is switched on with the power supply attached. Phantom power running from 6-pin ...