Since you are very good at electronics you wont have any problem since their customer service is non existent.
The ENGL SE is an amazing amp and all four channels are very good, but its master volume goes from whisper to bleeding ears, so it wasn't useful for me.
They weight a ton too, for...
The real question is how good they are $$$ over the new regular ones.
If you play and change them to compare will you bother about the sound?
Every amp is good in the room until you place a better one side by side, but if you don't you will be still happy.
I have a CCV with Winged, I posted it just do show this tubes against the others.
There is a video about Psvane against JJ pre amp and they sound as the same and the numbers too, but the entry level Psvane.
https://pt.aliexpress.com/w/wholesale-psvane-12ax7.html?spm=a2g0o.productlist.search.0
Wow, December 2024.
So Mark Cameron is still making mods!
I just don't know who in perfect mind sends a Wizard to Mark with the possibility of him vanish it...