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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows a stereo speaker according to the present
invention, FIG. 1 is a front view, FIG. 2 is a right side view, and FIG. 3 is an AA longitudinal crosssectional view of FIG. Longitudinal section right side A in a normal state FIG. 5 is a longitudinal
section right side view in a state in which the conducting body is turned. E E · · · acoustic unit 0
progress 3 圀-79-real opening 51-65 836 (2)-(1) actual opening 51-65 836 (3)-81-
[Detailed description of the invention] The sound wave generated from the body part of the
sound unit is one step with the stereo screen for obtaining 11 directionality by a simple
operation, as shown in the drawing, the opening of the cylindrical main body l Finally, the inner
surface divided into a semi-annular shape partially protrudes from the ball tm water repellant
body 2.3 and is attached to a '1' surface, and the outer surface is made spherical to form a
number of through holes 4 at the front. Have a structure in which the remains 5 and so on are
supported 2 and 2 inside the body and blame the support 2.301 1I end P3 ring frame 6 and so
on etc. And. (1) A stereo stocker according to the present invention, ab cylinder main body 10III
1 end of the inner surface is a spherical shape, and a semicircular ring O relative bearing 2.5 is
fitted, a bearing 2.3 inside, an outer picture Because ifi is a ring-shaped OJI in which a large
number of 0 through holes 4 are formed in the front part, the equal week rest 5 rotates freely
back and forth, and left and right freely within the base body 2.3. Since the self-employed can be
changed, acoustic ill installed in the conducting body 5Q rear 8 cylinders t main body l? It is very
convenient to introduce the sound wave from the main body and to allow it to flow out according
to the direction of equal week rest 5 while keeping the 1 cylindrical main body l fixed, so that the
directivity of the required sound wave can be obtained. Φ.