Hum with TAK CU phono cable

Rega achieves ground thru the shielding of one of its RCA cables. Connect the TAK CU ground cable between your SUT and phono amp and it should take care of the noise.
I had TAK CU and it’s an excellent cable. Was quiet in my system. Loved it. Warm natural sound. 

Took your advice , I connected the cables ground to phono amp and my step up transformer output, it seemed to help , the hum is now present at higher than normal listening levels , I guess that will be the best as it’s going to get , or just remove the Kimber Kable and reinsert my Mogami cable and completely remove the small amount of hum , 

Kimber TAK CU are purpose built low capacitance phono cables. If you are using a MM cartridge that matters. You will experience sound quality degradation with MM cartridge and higher capacitance cables. If you’re using moving coil, capacitance has no effect. 

Honestly, having experience with Mogami and Kimber, they’re not comparable. Kimber is much better. If you hear slight hum at volumes beyond normal listening levels, and it’s only when music isn’t playing, I would leave the kimbers in. But it’s your system. So it’s up to you. 
 

When you compare mogami and TAK CU make sure you pay attention not only to how treble or bass sounds, but to how musically engaging the presentation is. Usually takes about one side of LP. Play a full side with kimber then again with mogami. If absolutely nothing is different or mogami is as good as kimber, return the TAK CU.