Correct - when we replace a tube it’s trained engineers who do it.
We did. Unfortunately, after working through the plan we had to make this possible, we determined it wasn’t.
Features we put on the front page of the website are our top priority. Specifications we put in the FAQ is second. Answers to forum questions, emails, etc reflect our plans but are prioritized lower.
Indeed, it’s very likely that we’ll do a lot of work to make this easier, cheaper, and less expensive before it’s a problem for anyone in >12 months. But I don’t want to tell you we’re going to do something unless we have a clear plan to successfully do that, and it is, unfortunately, far too complicated for us to put together that plan now.