RARE retro Casio Casiotone MT-800 with speakers, ROM and instructions!
I have for sale a rare and retro/vintage portable keyboard/piano/synth: Casio Casio MT-800 This was apparently Casio's first keyboard that uses music stored on ROM-Pack cartridges for key lighting feature ("melody guide"). According to a copyright date on the default cartridge, the instrument was likely designed in 1983. Unlike with modern such keyboards, not the keys itself but a row of tiny LEDs above the keys flash up to teach keyboard playing. This has the very rare external external spe