Herein we will see this wonder bar radio circuit diagram for the 1960 Chevrolet Corvette. The wonder bar radio is a superheterodyne radio, with signal seeking feature. The radio have five low voltage tubes and one hi power transistor. The wonder bar radio comes with a head unit and a speaker unit. The components inside are including; audio output transistor, oscillator – modulator, trigger, radio frequency amplifier, intermediate frequency amplifier, and detector – first audio amplifier. Click on image to view it larger in a new tab.