Take a look at these…
Are there any rare prototype Optigans still out there?
The earliest design concept for the Optigan was a small organ containing something like an Edison Cylinder. When the keys were pressed, they would push down needles onto the audio tracks. This proved
Are there any rare prototype discs available?
Yes, a few have surfaced, most notably “Mod Rock,” which reached the point of having an official catalog number and label art, but was mysteriously never put into production. Two copies came from Stan