DYNAMIC HEAD OF COMPOSITE LOUDSPEAKER Russian patent published in 2013 - IPC H04R1/24 

FIELD: radio engineering, communications.

SUBSTANCE: composite combined loudspeaker is proposed, which comprises a chassis (11) of a head unit, an external dynamic head (18) and an internal dynamic head (8), besides, both heads are connected to the specified chassis (11). The external head (18) has an inner edge, which sets a hole in the head (18) and forms a functional edge, and the inner head (8) is at least partially covered with the hole of the external head (18) and has a central acoustic axis, arranged at the distance from the functional edge in the radial direction. The distance in radial directions relative to the specified axis is not constant, i.e. has the first value in the first radial direction and the second value, differing from the first one, in the second radial direction.

EFFECT: reduced acoustic diffraction, and real frequency characteristic of a loudspeaker is distorted to a lesser extent.

29 cl, 13 dwg