Whats the best and quietest 12AX7 tube

The 12ax7s I am useing ARE Sovtek LPS which Albert recommended.Should I just forget upgrading.I called Kevin Deal,he said no guarentee his QUIETEST tube would lower the tube rush anymore. WHAT TO DO GUYS? IM fairly new to tubes so please advise. Thanfs Albert,I've read your replys elsewhere your cool!!

Albert, The LPS tubes had rush upon arrival of the Rogue 99 Why not get low noise or super low noise 12AX7s and can the LPs?? Can you help me with this also? I paid my dealer $!00.00 extra for NOS tubes for the 99 He told me Rogue sends some from the factory already equiped.Come to find out the sovteks arent NOS the other 12AX7 and 12AU7 are Philips are these NOS? The line stage has 4 penta Labs 6sn7 But they have a different number on them.I checked out their site and I think these tubes are new.Kevin D.told me they are probably Russian or Chinese.This dealer has always been the BEST in every way but I think he is assuming Im an idiot. If this were you what would you do? What tubes for 99 would you suggest? My sound is very good but the tube rush I wont tolerate.It is quite low but combined with groove rush one has to go. I just today got Prosilway MK2 for preamp to amp.They dont sound much better than my old PBJs but its only been an hour.Will they eventually trounce them? Thanks Albert!

I'm sorry,I should have made an update a while ago.I bought a Tungsram 12AX7 super low noise.It quieted the phono to better than acceptable levels.Well,this got my mouth watering.After consulting with Albert and Kevin Deal I replaced all the tubes in my phono section.The Tungs went back to Audio Advisor.Kevin sent me 2 Telefunkin 12AX7 and 2 Radiotechnique 12AU7.These are very similar to Bugle Boys.The line stage has G.E.s which are fine.My mouth was still watering so I bought 4 Svetlana EL-34 for my Dyna.I replaced some very boring Sovtek EL-34 Gs.My Phono is almost as quiet now as my old Lehmann Black Cube was and sounds absolutely awesome!!!