Did you say, Klipsch Turntable?
You are looking at the 1954
Klipsch “Tremulant” version of the K-Horn, which
was PWKs answer to the Leslie speaker made for electronic organ use. The
Leslie, famous with Hammond B3s, had a revolving HF horn that gave the “waa-waa” effect,
but Paul did it with a rotating vane powered by a turntable motor. Likely
the same motor used in the Klipsch turntable*. In non-techie speak: see the bow-tie shaped piece of wood with the metal rod through it? It spins.
Although I don't know much about the design or engineering of this speaker, I thought its logo was pretty neat.
* any information leading to the capture of a Klipsch turntable will reap substantial rewards, such as heroism and reverence by all Klipsch fans and employees