Next upgrade?

DAC already upgraded with the Jupiter caps ;-)

Regarding power I have two separate direct lines from the main panel (10ft away) one for the amp and one for the dac and transport. 

@tomic601  thanks for the tip, I ordered the book

I have stock 12au7 for the pre and genalex kt77 on the power stage. 
I alternate them with the stock el34, not much difference

@jjss49 thanks for the tip - this is an easy one - tubes ordered already :-)

@wiscoguy  you can buy direct from him for 40 bucks. Google it

@jjss49 love the RCA nos tubes, warmer and smoother output 

@asvjerry @jjss49  very good questions. Problem is that I don’t know what my end goal is because I don’t have any memory of other systems I have heard in past. I can only use my current system as reference and discern why and how I like the results of changes on the same system. 

@diezahlen ​​​​@hilde45  I assume REW calculates the digital filter to equalize the room. In my setup however I have no way to implement that. Or, how do you go about making changes to the room based on the measurements? Thanks!

@hilde45 thanks a lot, yes this is great to get going. Essentially you want a flat frequesncy reponse at the point of listening. I like working towards that reference rather than my not super trained/experienced hear. This is is going to be a fun project :-)