"Only if it turns out that reality is actually nothing more than a holographic illusion created by the interplay of subatomic particles on a vast two-dimensional membrane." This article covers a subject that has been deemed non-canon by either the author or the Back to the Future licensees, and thus should not be taken as a part of the "real" Back to the Future universe. The tiny radio receiver was an invention that Doc Brown had created sometime between 1955 and 1958. It is a portable radio receiver that Doc had based on Marty McFly's Walkman. Appearances Back to the Future: Untold Tales and Alternate Timelines 3 In Search of Calvin Marty Klein Retrieved from "https://backtothefuture.fandom.com/wiki/Tiny_radio_receiver?oldid=40640" Categories: Non-canon articles Doc's inventions Community content is available under CC-BY-SA unless otherwise noted.