Fractional range selectable musical tone generating apparatus

摘要

A musical tone generating apparatus of an adapter type to be connected to a host electronic keyboard musical instrument via an information cable for generating musical tone signals in accordance with key information supplied from the host musical instrument. The musical tone generating apparatus comprises switches for designating a fractional key range in the keyboard and generates a musical tone signal only when a key within the designated key range is depressed. A plurality of musical tone generating apparatuses of the same construction as the aforesaid musical tone generating apparatus can be connected in a cascade fashion to a single host electronic keyboard musical instrument.