In my personal opinion I think your problem is the speakers. The 30 that sound fantastic, I'm guessing are very laid back recordings. I am not a Klipsch fan. I had to live with my sons KG 4.5's - KLF-10's and KLF-20's and to me the KG's were the least harsh/forward of the bunch. Now I do recommend Klipsch for someone who is just starting because they are a lot of speaker for the money. But I do warn them that with long term listening you will get listeners fatigue. So far all 3 people I recommended Klipsch to agreed in the long run.
That being said when I use EL34 tubes in my Octave it takes my power down to about 40w. My speakers are Dynaudio C1 signatures which are 85db @ 1w. Not very efficient compared to any Klipsch. I mention this because should you ever consider better speakers make sure the Scott has sufficient power to drive them properly.
You have my thoughts regarding your question and again this is my opinion
That being said when I use EL34 tubes in my Octave it takes my power down to about 40w. My speakers are Dynaudio C1 signatures which are 85db @ 1w. Not very efficient compared to any Klipsch. I mention this because should you ever consider better speakers make sure the Scott has sufficient power to drive them properly.
You have my thoughts regarding your question and again this is my opinion