A method and system for providing a mixed-mode (current- and
voltage-source) audio amplifier is disclosed. The mixed-mode amplifier
includes a voltage sensing feedback path including a first network
comprising at least one circuit; and a current sensing feedback path
including a second network comprising at least one circuit. According to
the method and system disclosed herein, the first and second networks
vary an output impedance or transconductance of the amplifier as a
function of frequency of the input voltage signal, such that at a first
frequency range, the amplifier operates substantially as a current
amplifier, and at a second frequency range, the amplifier operates
substantially as a voltage amplifier, thereby inheriting distortion
reduction of the current amplifier and stability of the voltage
amplifier.