Let me just add that, while the TLP does not have the incredible resolution of the GK-1, it nevertheless is a very fine preamp that costs only a fraction of the GK-1 price.
A while back I put my TLP in the main system (the GK-1 was on the bench for mods) and listened with great satisfaction for several weeks. It sounds GOOD. Of course, when I put the GK-1 back in the system, it sounded even better, more resolved, more instrumental texture, but then the GK-1 costs a lot more. So, if you like the way your AKSA amp sounds and aren't ready to buy a GK-1, I think that you might be very well served by the TLP.
Mine is configured with a source selector switch and a DACT attenuator. I'll be happy to share chassis photos and describe the layout if that would be helpful.
When you first switch on the TLP, there is a moderate-level buzz for about 10 seconds while the tube warms up, then it goes very quiet. This is normal TLP behavior; if you think that this will disturb your audiophile friends, then turn your TLP on before they arrive

. Also, I do not recommend building the TLP into the same chassis as your power amp (to make an integrated)... I spent many months trying to do that and could never overcome a small amount of hum. Built into a seperate chassis, the TLP is extremely quiet.
Peter