Soulution 725 or Robert Koda Takumi k10?

@renatocomes I agree with Charles and EBM...and as you put it:

I "suspect" that Koda is much more musical [than] Soulution.

By sheer coincidence I came by this earlier today...maybe, worth a look:

Thomas Mayer Silver 10Y Pre

That Robert Koda gear is super droolworthy I would love to hear it someday. You have a fun choice ahead of you @renatocomes I hope you have a chance to audition both at that price level it should be a given.

Forget the 725 and the Takumi. Go for the Mayer Silver 10Y instead! What a cool triode tube from way back! Bet it sounds real sweet and musical being a DHT (Direct Heated Triode).

@renatocomes ,

I agree with @jond, if at all a possibility try to listen to them prior to purchase (I know, easier said than done, especially the Robert Koda). Given your additional comments I feel even more sure the Koda Takumi is your better choice.

Thomas Mayer products are custom order projects and heirloom quality (With cost commensurate). He can extract great sound from any tube and certainly from a DHT tube. My line stage uses a DHT (101D) and it sounds exquisite.

Given your described tastes and music preferences the Robert Kodak Takumi 10 and the Thomas Mayer choices would leave you ecstatic with musical joy! I am not dismissive of the Soulution but in my opinion it moves in different sonic direction entirely. Best wishes in your endeavor.

Charles