Regal Musical Instrument Company Regal Musical Instrument Company The Regal Musical Instrument Company was established in 1908 in Chicago. By the 1930s, they were one of the largest manufacturers of musical instruments in the world. Regal specialised in: Regal was heavily involved in the production of resonator fretted instruments from their first development until 1941, manufacturing components and bodies for both the National String Instrument Corporation and the Dobro Manufacturing Company and producing whole instruments which sold under many brand names including "Dobro". The bodies of their Laminated bellied guitars were particularly suited to resonator conversion. Production of resonator guitars ceased in 1941, and
Signal instrument Signal instrument A signal instrument is a musical instrument which is not only used for music as such, but also fit to give sound signals as a form of auditive communication, usually in the open air. Signal instruments are often contrasted with melodic and diatonic or chromatic instruments ("a musical (rather than signal) instrument" is not uncommon phrasing). To make the message audible at a distance, percussion and brass instruments, which are generally loud, are chiefly used for this purpose. There are contemporary instruments which evolved from signal instruments, such as the natural horn evolving to the trumpet. Before the