An electrodynamic loudspeaker (10) including: a chassis (15), at least one magnetic circuit (20) secured to the chassis, at least one movable assembly (30) with respect to the chassis, the assembly (30) including a convex diaphragm (53) turned towards the outside of the loudspeaker, and at least one energizing coil (57) defining an axis (D) of the loudspeaker, a first suspension joint (35) connecting the assembly and the chassis, and a second suspension joint (40) of the assembly, the second joint being axially further away from the diaphragm than the first joint. The assembly further comprises at least one connecting member (59) secured to the diaphragm, the second joint including a radially inner attachment point (81) attached on the connecting member, and a radially outer attachment point (83) attached on the chassis.