The rotary dial located on the side of the unit serves as both the power switch and the volume adjuster.
Decades later, the Radio Shack is a cell phone store and Art is long gone. But in a box in Leo’s attic, the 12-150 still sits. Next to it, yellowed and smelling of old paper, is that single photocopied page—the manual that turned a plastic box into a window to the world. Radio Shack 12 150 Manual
: Includes a 3.5mm headphone jack for private listening and an auxiliary input for connecting external audio sources. The rotary dial located on the side of
Charging instructions
Art reached under the counter and pulled out a thick, three-ring binder—the store’s "Master Archive." He flipped past diagrams for TRS-80 computers and CB radios until he found it: Cat. No. 12-150 . Next to it, yellowed and smelling of old