Which System???

All three will provide musicial enjoyment PROVIDED the remainder of the system (speakers and cables at the very least) are chosen to augument each option's attributes. Though I have yet to hear Naim directly, I do know from personal experience that the Krell and Rega systems are capable of long term musical enjoyment.

What is the goal of this thread? Is this for a personal purchasing decision or are you angling?

i owned a musical fidelity a5 cd player and have had the opportunity to audition musical fidelity-based systems at ces.

i do not hear a tube sound when i listen to musical fidelity components.

i suspect that a low powered set amp would be necessary to attian a "tube-like" sound.
many of the newer pentode or tetrode designs sound more like transistors than tubes.

Actually, I'm just curious to hear others opinions on these pairings. All are system combinations that interest me.

An additional inquiry - which system would you most likely pair with Totem speakers?

All three systems have great potential, but to truly answer this question, I would need some info.

What is the size of your room? How loudly do you listen?
What music do you enjoy? Not what you evaluate with, but music you like and love.
Do you upgrade a lot, do you like to tweek and buy gear?

These are important question; room size will determine power and overall volume potential. Music requirements if you enjoy large scale orchestral or big rock, at high SPL, in a big room. This would need floor standing speakers, you like Totem which run the gambit from the Arro, staff, forest, hawk etc.. They average about 4/8 ohms at 86-88dB, efficiency you will need watts and current, I would suggest the Krell. This of course then would, be further catered to your perfect sound by, cables, PLC, racks feet, ETC…So you would have the power you need for the room and music and speaker choice. Naim gear wonderfully built, rhythmic powerful, fun and a system that brings the magic of music. . Nait5i is 50wats, but has great current drive 500wats into 1ohm. But in a large room and speakers that are 87dB, maybe not enough juice. Small room with small speakers, could be perfect, but the Totem bookshelves from the Mani , Mani2, Mite, Dreamcatcher are all difficult loads, 4ohms at 85-87dB the Dreamcatcher is 8ohms at 87.5. I would suggest the Naim speakers the model Ariva, this would be a great system, Naim has a system approach, they have there own wire and distinct sound, the more Naim you have the better or closer to the Naim sound you get. If you do not like to tweek, more just buy and listen, and if you are willing to get the Naim Ariva speakers that would be a good choice. The Rega system has 60watts of power, but I am not sure of how it drives complex loads. So if you are stuck with Totem, and being that they are low efficiency and difficult loads on average, I would strongly suggest when it comes to the Rega, that you audition the speaker/amp combo the Totems can be a bear to drive, but a pleasure to own.

Please disregard everything Mr.Tennis suggest, I would not suggest a SET amp for a speaker with 84dB efficiency at 4ohms. He is just confused.
lenny