HHC 2023: Plasma Loudspeakers (Brian Walsh) 

HHC 2023, October 7-8, 2023, Orlando, Florida: Brian Walsh presents "Jumpin' Jack Flash, My Dog Has Fleas", or, "Plasma Loudspeakers That Are Innovative and Fun", talking about the 1978-1982 vintage Hill Plasmatronics Type 1 helium-powered loudspeakers that he recently obtained a pair of. The original video from RU-vid can be found here: • Hear Dr. Alan Hill's P...