A fifth support for SS. Maybe the right word is "maintenance" rather than "reliable" in this case. The tube will need some maintenance -- i.e. first of all, changing the output tubes every 2-5k hrs.
The SS (and tube) requires changing the lytics -- every ~6-10yrs (more like the latter).
The SS (and tube) requires changing the lytics -- every ~6-10yrs (more like the latter).