: If your turntable has a separate ground wire, secure it to the GND thumb screw on the back of the PP 2 to minimize hum.
: Connect the external 24V power supply to the PP 2 and plug it into a wall outlet. A green LED on the front panel indicates the unit is powered. 2. Technical Specifications Nad Phono Preamp Pp2 Manual
: Never connect the PP 2 to an input marked "PHONO" on your receiver, as this will cause severe distortion. : If your turntable has a separate ground
: Check that all RCA plugs are fully inserted into their respective sockets on both the PP 2 and the amplifier. Nad Phono Preamp Pp2 Manual