Phono pre for ZYX 100 Yatra high output

ZYX Artisan. mm &mc inputs. very impressive.

New tubes could certainly make a difference. Do you have a way to test them? Don't know the tube complement in a Ph-3, but there are tube equivalents that will give you more gain for certain families.

Another option if you want to keep the ARC, would be the ZYX pre-pre for more gain. It was excellent and easily bettered the SUT in my VAC Ren Mk2. If you do much reading, you will find that proper transformer and load matching with an SUT is critical. The ZYX is optomized for their carts and I will tell you that with a high resolution system you can hear small diffs in cart loading.