US 11,736,842 B2
Speaker horn with rotatable radiation characteristic, speaker arrangement and speaker box
Frank Bothe, Backnang (DE)
Assigned to d&b audiotechnik GmbH & Co. KG, Backnang (DE)
Filed by d&b audiotechnik GmbH & Co. KG, Backnang (DE)
Filed on Feb. 23, 2022, as Appl. No. 17/678,535.
Claims priority of application No. 10 2021 104 847.8 (DE), filed on Mar. 1, 2021.
Prior Publication US 2022/0279257 A1, Sep. 1, 2022
Int. Cl. H04R 1/02 (2006.01); H04R 1/30 (2006.01)
CPC H04R 1/025 (2013.01) [H04R 1/30 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A speaker horn with rotatable radiation characteristic, comprising:
a base body in a form of an opening funnel with a rotationally symmetrical inner wall in a radiation area, and
an insert which is rotatably mounted relative to the base body about an axis of rotational symmetry of the rotationally symmetrical inner wall, the insert acoustically covering part of the rotationally symmetrical inner wall and producing the rotatable radiation characteristic of the speaker horn.