Is there anyone in New England that is legitimately interested in audio R&D?

True. IME in a cathedral that low pedal is more of a shaking sensation. However, the church situation is somewhat in contrast to approaching 5Hz by way of glissando from some higher pitch, and or if using headphones rather than literally shaking the room with pressure waves.
 
Fun fact: 5Hz wavelength is roughly 68 meters. That is about width of a soccer field, or about 20 bedrooms side by side. This makes very hard to imagine a system capable of any meaningful SPL that would fit into a bedroom. Hopefully it is true system, looking forward seeing what it is.
 
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