I'm searching for the JBL URIE 813B studio monitor model 840 crossover circuit diagram. I checked overload bulbs and fuses good, so must look deeper.

[tenk]

I'm searching for the JBL URIE 813B studio monitor model 840 crossover circuit diagram. I checked overload bulbs and fuses good, so must look deeper. Any info would be appreciated.

 

[Cal Weldon]

You might wish to pull the reins in on your title.