I know Colin will like the A7 VOTT speakers as I have gotten a bit of what he looks for in a speaker system and he listens to music at a lower level than most. My recommendation to Colin was to get a 45 or 2A3(or lower wattage triode) amp for running this for best results. I can't wait to visit Colin and listen to the system when he is done.
My opinion of Colin is that he is very meticulous and will have the system operating at its best potential.
Now I have to get the home-made A7 VOTT cabinets out of the basement for Tim(zincman) and he can make a pair also.
For someone wanting to make a close clone of the Model 19, I have a pair of Altec 1234 cabinets that would work well with some tweaking.
Ron