Audio Horizons TP 2.0 Preamplifier

gentlemen thought i might put my 2 cents worth on this thread regarding the upgrade. i have the upgraded 2.1nB which has about 130 hours so far in my opinion the unit
blossomed after 120 hours. in comparing the old 2.0nB vs.
2.1nB i much prefer the latter. to my ears the 2.1nB sounds
much nicer, more complete. i've compared it to my previous
preamp krell krc3 hands down it sounded 3-4 times better. the krell sounded flat, no emotion, just plain. to my recollection when i compared my old 2.0nB to the krell krc3 the ah was only 1-1/2 to 2 times better. bottom line is i've noticed a big improvement with the upgraded unit and with due time i believe it will sound even better.
jojo

Sherod, hope you are stil enjoying your new preamp. I admire risk takers and hope that your decision to make further changes did not void the warranty.

As for me, I will wait it out a little longer since the sound I am experiencing is musical and dynamic enough in my Condo, at least for now. I am playing at 11 o'clock and on rare occasions for guests its 12 to 1 o'clock. Lots of headroom to spare.

Thanks, guys, for the well wishes. I feel like I'm getting get well wishes after my near-death situation. Now that I have the old Hovlands back in, the phasey sound is gone and the sound my ears are familiar with is back, to a certain extent. Having the preamp now on for about 24 hours, the sound seems a bit dark for me, but that could be other issues. I'm going to just listen to music this weekend and try to relax and release some of the stress that has built up for me these last couple of weeks. I'm sorry to have stirred up a hornet's nest for everyone, but I'm a perfectionist and I want my hobby of musical listening to be the best possible.

I'm confused as to where this upgrade is going, left, right, up, down, break-in or break-out ?

Like La45, I'll wait for all the dust to settle, then make a decision.

I'll stick with my original mods, the acrylic top, floating the circuit boards and adding a Furutech gold IEC inlet for the time being.

The AH is already in batting distance of the infamous REF 3, what more could you ask from a 2.5K preamp ?

Now, I have to find some musical, dependable mono amps to get my tunes back up and runnin ........

jojo - Welcome and thanks for your input. Your description helps put the differences between 2.0 and 2.1 in perspective.
sltrains - I could tell the differences between balanced and RCA right away (with no breakin on the XLR cables), even my brother who was listening casually heard it clearly with balanced being better
Victor - thanks for the thorough explanation. It is very clear and captures the effort and care you and Joseph are putting into things. I agree that it is a great use of new creative energy to now focus on an amp.
I can not imagine exactly how the 2.1 can be significantly better given how wondereful the 2.0 sounds but with the folks here mostly suggesting that it is, as well as Victor and Joseph's excellent ears I know that an audition is in my future to hear for myself.
Question for Victor. How close do you think that the current modifications can now take the modded 2.0nB toward the 2.1nB? Has anyone done this A-B comparision between those two units broken in?