Is this the first time you have hooked up the table... or possibly the first time to the Marantz?
Sounds like bad ground, or dirty/loose connection.
Try this for a read:
https://audiokarma.org/forums/index.php?threads/rega-planar-2-ground-hum.192497/
Sounds like bad ground, or dirty/loose connection.
Try this for a read:
https://audiokarma.org/forums/index.php?threads/rega-planar-2-ground-hum.192497/