Leben CS600 or Almarro a318 for Tannoy TD12?

Great !
Just do keep in mind that the stock Sovtek 6L6GS are a bit bright with a slight edge to the midrange..although it is highly detailed.
with a Winged C gL6GC the sounds mellows down a quite abit..while with an EL34 it will make the Midrange much more Liquid although you may lose somke tightness in the Bass.

I've had an Almarro 318B (to Zu Driud speakers) for about 5 months and tried a wide assortment of tubes. All are very pleasant. Highly recommend it. I asked a tube dealer to put together a samling of 6SN7 and 6SL7 tubes and I got 9 different tubes for $210. It has been really fun switching out and making notes on the boxes of what I hear.

I listen 6-8 hours a day and so I was concerned about "burning through" tubes but that has not been the case. Just bought a back-up pair of the 6C33C tubes for $48 a pair shipping included from Russia. I was skeptical but they sound better than the old tubes (which may be getting near their end) and look identical. I can do $50 every 6 months.

Biasising has not been an issue at all - I have not had to adjust the new pair during their breaking in - about 50 hours so far. I run them a bit "hot" at 24 as that improved the sound even though they say it wears the tubes out faster -- but at these prices they are the least expensive cost of this hobby for sure.

I tried Leben 600 and did not have enough power for Tannoy TD12.Next week I am going to receive Audia 50 with 50w in A.Let's what happens.

Now I have Tannoy Canterbury and search for amp really starting.My adepts now are Mastersound 845 monoblocks
2.Almarro monoblocks-i heard these and thea are veeery good
3.Almarro A50125 125w
4.Audiomat Opera
5.Mastersound 845 int.amp
6.McIntosh MC2000 or MC275
I have not heard most of them,do you think I could just get any of these blindly and be happy?All of them are getting great exposure among tube guys.