Kev, this looks so great! Glad it sounds as good as it looks and you have what looks like original tubes too!
Thanks for the inspiration! You're PR has made me dig out my original Oxford speaker in recent days. I've had a Weber 10F150 and 150-T in mine pretty much right after I got it and have always been super happy with those choices. Couldn't remember why I dismissed the original Oxford so I dug it out. Unfortunately, it has some voice coil rub which sounds like a fuzzy distortion underneath every note.
But there's an excellent sounding speaker under there somewhere. If I gently press on the lower part of the cone I can get it so sound out clear (running a loop as my test). Now I'm on the quest to fix it. The Webers are great and definitely what i'd use if playing live, but they're really BIG sounding speakers. The Oxford is much quieter but is really rich and detailed. I love it! Hoping I can get it fixed up myself and if not, I'll send it out for a recone. (Hoping it doesn't destroy the beauty or the original cone and internals.)
Also figure its time to share my old demo, post trem mod.
Slowed it down by reducing the cap size in the trem network. Its much more usable for my purposes. I also experimented with making it deeper but eventually reversed that mod since I can control the depth easier by lowering the power tube bias. I've never found a use for running hot 6V6s in a PR. https://www.youtube.com/watch?v=J_BI3hlDkxw