A receiver, such as for use in a hearing aid, is disclosed. The receiver comprises
a housing and a diaphragm assembly disposed within the housing. The diaphragm
assembly acoustically divides the housing into a front volume and a back volume. The
diaphragm assembly comprises a paddle having a perimeter, a flexible annulus connected
to the paddle, and a diaphragm support, wherein the diaphragm support secures the
perimeter of the annulus to the housing. The receiver further comprises a plurality of
apertures in the diaphragm assembly, wherein the plurality of apertures provides an
acoustic distortion of no greater than 2% THD.