Peavey Varistor RXE040 RX Crossover Protection Fuse for UL and more
Peavey Varistor RXE040 RX Crossover Protection Fuse for (Peavey UL) PolySwitch Resistors - Varistor RXE040 RX X/OVER. Look on the crossover board for the part burned out and check the lamp bulb as well.