Welcome back. Sadly, the horn / SET technology remains largely where it was when you left, as far as I can tell. Few seem to understand how spooky a 45 done right can be. The inherent limitations of the speakers remain a stumbling block, and there has not been a lot of discussion about horns, lowthers or fostex for a while. Field coils are coming back, and the prices would make most shudder! Open baffle set ups are catching on with a lot of interest from those who seemed to like high efficiency stuff previously as well... haven't quite made it over. Look easier to build, but not sure even a monster like the 2a3 would drive them. Most also have some form of 'crossover' as well.
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