I believe i have a pretty good handle on what pass amps can do, and i listen closely to those who have bought (and sold) different models, as well as the reviews of those same models. based on the mere fact that Pass Labs would offer two parallel amplifier lines where one would be (IMHO) way more musical than the other, indicates that the NON-XA amplifiers have some VERY important features that certain listeners are going to prefer.
a close friend has a pair of ALEPH-1.2's (as well as an aleph preamp) and i have heard them on many occasions. i absolutely love them. but they don't have much power below 4 ohms. that has never affected the sound any time i was over there, but some people will say that is unacceptable nonetheless, and needs "fixing".
Nelson still makes First-Watt amps as well. wimpy perhaps, but very short
circuit paths. he has good reasons for making those, too. beats the heck out of me...
a close friend has a pair of ALEPH-1.2's (as well as an aleph preamp) and i have heard them on many occasions. i absolutely love them. but they don't have much power below 4 ohms. that has never affected the sound any time i was over there, but some people will say that is unacceptable nonetheless, and needs "fixing".
Nelson still makes First-Watt amps as well. wimpy perhaps, but very short
circuit paths. he has good reasons for making those, too. beats the heck out of me...