They are good looking loudspeakers but the construction is suspect. I can not see enough in the photos but it appears that the top and bottom are cross grained. In localities where conditions go from very dry to very humid the cycling will cause the wood to crack. It is not a mistake a good cabinet maker would make. It is the reason that most speakers are made of MDF or plywood as both are much more stable than real wood. I am not sure if torrefaction would stabilize wood enough. It will certainly cause it to shrink to it's smallest dimension. But, on exposure to humidity it will grow again.
Fleetwood Sound Company - DeVille Loudspeaker.
The design and attention to the details is fascinating. Roasted wood cabinet and unique wood horn along with several other fascinating design principles. I also relate to the builder’s sonic goals and priorities. Has anyone heard these or own them? If so, then please share your findings. Thanks much!