“Yamaha DX7 Digital Programable Algorithm FM Synthesizer Ser#104545 Good Shape
Additional Information: This Synth is known as one of the most popular synths Yamaha made. The data entry knob on this synth is missing and are not sure if the modulation wheel and pitch wheel are working properly. Please see picture for more description on the synthesizer. No cartridge is included.” Click here to visit listing on eBay