Parasound vs Coda

I second the tube preamp. I run solid state amps - Pass X250.5, LSa Voyager GAN, and Ampzilla monoblocks - into tube preamps. The Aric Audio Motherlode is the best of the bunch. The Black Ice hybrid is damn good as is the Audio GD tube preamp. Switching to tube preamp seems like a bang for the buck move.

I third a tube preamp. Aric would be nice. In addition to tube rolling, you could add it in -- or not -- as desired. I very much enjoy having four components that all mix and match: Amps (tube and class A ss) and Preamps (tube and ss). A lot of variety possible all on one audio rack.

I've been trying to learn as much about the tube side as possible for a while, but have a long way to go especially since the options plus tube rolling make for nearly infinite choices. Almost headswimming as a tube noob!

Aric, Allnic, Zeto, Modwright, and others are often mentioned and recommended. I really like detail, clarity, works with all genres, but with some warmth and bloom.

I absolutely recommend going to a tube preamp. I have owned Pass preamps… I now own Audio Research… no contest in my mind… or Presto, Conrad Johnson, there are others as well. 

@christianb5s4 

I had a CODA 16. I would consider it neutral with outstanding bass. It is a great company with stellar customer service. I have since moved on to McIntosh Mc 611s. I prefer more warmth and a much stronger bass/midbass response.