Starting Over and I need your help

Before you change anything, maybe your expectations are just very high. Is your room set up properly? Maybe try near field listening. I have heard six figure systems that sound as you describe. Keep in mind, we are listening to recordings. If you ever have heard an ensemble of musicians playing at a park, auditorium, or some other place, without the use of amplification (non amplified)? I certainly have, and these "sounds" of the instruments cannot be duplicated by a hifi system. Many people who think this can be accomplished, some having BIG MONEY systems and awesome rooms, cannot get this (I am sure some might come close). I   adopted the reality when I was in my teens (I am 70) that recordings, all recordings, have limitations. Many have less, many have more, but limitations exist. If you read some of my posts here, you will understand what I listen to with a hifi rig. So, what is your system not doing for you? My best, MrD.

Your amp puts out 6.5W. Even with a 94db speaker, that's still pretty low. 

I'd try some tube rolling first.  That can change the sound of a tube amp enough to make you happy.  I have a similar power-level tube amp for my home office and with my 90dB speakers, it sounds great and I have enough power for the room, IMO.  

The speakers might be rolled-off in the upper registers due to no tweeter.  I'd look at just trying different speakers to see if  that reveals anything that you might be missing. The rest of the gear might be fine.  

I'd try a few different used bookshelf speakers and see what you discover.

Try adding a subwoofer. Upgrade the speakers.  If you are stuck with digital, make sure you have a DAC that will improve on the Bluesound DAC and whatever is fed from your CD player’s built in DAC.  

I would sell the Musical Paradise MP 301 III and the Parasound Zamp and buy a Schiit Ragnarok 2 integrated amp $999. 😎

Mike