Weehbo Guitar Products DumbledoreThe DUMBLEDORE is a dual channel low to medium gain overdrive which emualtes the sound of the legendary Overdrive Special by Dumble. It can be used as a medium overdrive or even as a clean boost because of ist transparency and it always sounds very natural and a tad sweet. The DUMBLEDORE features an active 3 Band equalizer and one volume control for both channels, but each channel has its own gain control. The gain controls DRIVE and MORE interact