You're already happy(giddy) with how it sounds. Just sit back and listen for a while, break in changes will vary, good and bad. This could take some time, depending on play time and your speakers probably aren't fully broken in yet either.
I'm very happy that you're happy.
Disclaimer-I'm Jeff's buddy with the tube equipment
Jeff
I'm very happy that you're happy.
Disclaimer-I'm Jeff's buddy with the tube equipment
Jeff