Have anyone experiance with the Musical Fidelity AMS 50 ?

Hello Lukaske,

A bit older topic .... perhaps you are not interested in the AMS 50 anymore ....
I have the AMS 50 in my system.
To me, it is the best(?) mix between a high end tube and a solid state amp (and I do not mean hybrid designs).
Obviously, one amp can't replace all the strong points from tubes AND  transistors in one box, but MF did a pretty amazing job !
The amp has authority and control, throws a big stage and a loth of depth. It is a tonal bliss, no edges and very precise.
I use it with a Jeff Rowland Coherence II pre-amp on a set Genesis V loudspeakers with active servo system..... so it doesn't have to work hard..... 
Heard it also with some B&W's, Wilson etc... the AMS is always in control. I do not know (the soundprint) of your speakers and your preferences, but the AMS 50 is one amp to consider.

Be aware of weight, size, heat and addictive sound.

But ...... I still have a Audio Research V70 tube amp with some very strong points to fall in love with ..... !  :)        

You choose a complete different direction: SET amps. 
Very nice, heard Wavac once before, very rare.
But you can't compare them with a high currrent Class A design !
With the Wavac's you don't have a very good bass response / impact and amplitude. Hey, but that is taste dependent, important is that you think they are great !
I have never heard before about the AMS 50 sounding dark and not dynamic..... all reviews (for what the are worth) don't  mention that either  but again, taste and ears are different :)