On Sat, Jan 20, 2018 at 8:32 PM, Paul Anderson <useddec at gmail.com> wrote: > I think just the VR12, VR14, and the VR17. OK. I've never had any of those. I'm more wondering what modern tubes might work. > I might have an extra VT11 backplane. I may also have the backplane. I'm not as certain of that. -ethan