Vintage NATIONAL (Panasonic) Hi-Fi Switchbox
★ This National (Panasonic) Hi-Fi Sound Control System Switchbox was designed to switch between different Hi-Fi components, and was a great way to quickly compare the sound of different audio systems. The National Hi-Fi components at the time were the forerunners to Technics components, first released in 1965, and for many years had both names printed on them (i.e. National Technics). This Switchbox was given to my family's stereo store over 50 years ago in the 1960s. It wasn’t really used at t