Seeking Suggestions on Preamp Upgrade (CJ, Aesthetix, EAR)


I have about $5,000 budget to upgrade a preamp.  I am using Luxman 550 integrated as a preamp currently, it sounds a bit too lean to me.  Rest of the system are Pass XA30.5, Dynaudio Contour 3.4, Marantz reference SACD.  I am thinking CJ CT5/ET5, CJ ACT2, Aesthetix Calypiso, EAR 868, or Zesto Leto.  Thank you very much!

davidhe19audio
Hi, tooblue:  Thank you for your response.  My list contained LAMM originally but I read through the on-line information and found there were some discussions relate to LAMM's QC issue, which prompted me to drop it from the list.  Likely you have encountered them.  What is your taken?



I heard 2 aesthetix  preamp one is calypso, this are excellent unit, I will buy one, without thinking, if I can afford it, they are so neutral, and full sounding, and well made....
The other unit is 7k, I forgot the name, between the 5k and 7k, for me the 2k difference is not worth it.
How about an Atmasphere pre? Very neutral but must use a balanced amp to get best results.
How about a Rogue RP-5 tube preamp?  Loads of inputs/outputs and sounds excellent, especially with 4 NOS Mullard tubes.