Cube Audio Nenuphar Single Driver Speaker (10 inch) TQWT Enclosure

Sounds like an awful experience but glad it’s just material damage and you’re able to be in the home. 
I’ve never heard a 2a3 tube. I’m using 300b SET monoblocks right now from Sophia Electric. Beautiful mids and highs but I’m not getting the bass I like. I have an Alan Eaton 45amp and I really like the sound it produces. Not quite as refined but the bass is more alive, punchy. Thinking about trying a Primaluna Evo300 amp as I really like my old Dialogue series and love the EL34. Not sure if anyone has tried Primaluna with Nenuphars. 

Alan is building me a set of his 45 mono as well.  Which 45 tube are you using?

I actually don’t know. This is the amp I have:

https://www.usaudiomart.com/details/649763529-alan-eaton-45-set-amplifier-class-a-and-built-with-tam...

They’re labeled as radiotron but that’s all I know. 

@abd1,
I'm impressed with the use of Tamura power and output transformers.  This builder was serious about pursuing very high quality sound. I bet this amplifier sounds beautiful driving your Nenuphars. 
Charles