Humm from phono but not dc or aux ?

I have an RCM 1 phono stage with external power supply, I just recently just tweaked the dip switched the best I could, not as much hum but at 10 o'clock on volume control more now of white noise and faint RF.

The Cartridge is a Zyx Airy 3 S .24mV

the tone arm cable is Din , Audience Au 24 e

None of this is cheap most likely 5-8000 us dollars.

any other suggestions ?

thx

Hey guys, would anything change if I connect phono pre to pre amp with balanced cables I do have that capability ?

thx

My tonearm cable

https://www.tonepublications.com/review/audience-au24e-tonearm-cable/

Cindyment, have to turn it up to 12 o'clock hear faint Radio station actually too low 

to even make out what they are saying.

But that's way louder that I would ever listen to just past 9 o'clock is abut the limit.

Millercarbon, Do you really think twisting the leads can work ?

thx

How bout how tight the rca's are on the preamp and phono pre ?