Best Integrated amp for Wilson Audio Sasha


Thinking of the Gryphon Diablo, Acuphase E560, Passlab Nt-150 or Dartzeel 8550 for the Sasha. Any recommendation from those using this speaker?
hifinuts
Correction: I meant above 8/4 Ohms load and power in "rms"
My apologies for typo errors
The 4th time I heard Wilson Sashas, it was with a Perreaux integrated and it sounded better than the previous 3 auditions (although there were more variables than just the electronics).

My point is, the combo sounded very good to my ears.
Keithr: The darTZeel integrated is stable into 2 Ohm loads and outputs 450 watts into this impedance. The power supplies on it are very stiff, which should come as no surprise given its considerable cost (I think the integrated is now something like $25,000). The issue isn't whether the darTZeel will drive a speaker like the Sasha, which it will, easily, but whether a speaker like the Sasha, which is well-made and does some things very well, but is not state-of-the-art, should be paired with extreme cutting-edge electronics like darTZeel (there are a lot of people running Wilsons with darTZeel who are extremely happy, but they don't know what their integrated is fully capable of).
I don't know about the integrated---just going back from memory on the stereo amp, in which multiple reviews said lower impedances weren't its thing (I believe Mike Lavigne told me that as well a long time ago). That would lead me to hesitate on spending 20k on their integrated to run on Sashas (which I've heard numerous times and like power imo)

I believe Jeff Dorgay had a Dart run out of steam on Logan CLXs---which could be a more difficult load.

btw- JTinn is the distributor for Dart and he should have disclosed that.
Hifinut,

May be JTinn being distributor can arrange for you home audition of Dartzeel 8550 ?
I have no doubt that this great amp is stable at 1.8 Ohms load. What would be my concern is that if it operate at 450 watts at 2 Ohms then its current would be 15A...which is not that great....but if you love flute concertos or country music it may work fantastically well for you.

You can arrange Spectrons for 30 days or for 60 days if you wish home audition.

Nothing bit home audition. No pressure, you have time - its the best. You have great speakers, one of the best in the world and you have a chance to make extraordinary system... just don;t be lazy

Good Luck