Switching to solid state amp?

@inna  Can you or others provide more detailed information on why the Gryphon 120 is not comparable to the performance level of the 300, other than the power differential? Assuming appropriate speaker pairing, for each. Thanks. 

david_ten, this is just my tentative assumption, not based on any experience or science but only on my impression in differences between the designer's presentation of both. Flemming Rasmussen obviously likes his Diablo 300 and considers it his achievement in the designing of an integrated amp. Diablo 120 presentation sounded like - it is an excellent integrated, better than previous generation Atilla, but..
However, this is my impression and speculation, that's all.

Russians have been making great tubes for ages. They still do. There are also excellent Chinese tubes.
As for the future of tube equipment, I don't know. It might be doomed, it might be not. There are enough good tubes for our lifetime, though, just will be getting more expensive, perhaps.

@inna   Thanks for the added info and clarification. That's good to know, despite the price differential.

Anyone who has heard both?

In addition, Diablo 300 DAC option is much more expensive, and you can have both phono stage and DAC in it, Diablo 120 is either/or only.