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JPS50128022

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DESCRIPTION JPS50128022
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an example of a
conventional phase-reversal type speaker system, FIG. 2 is a side sectional view thereof, FIG. 3 is
a perspective view of an embodiment of the present invention, and FIG. FIG. 1 ...... scan beaker
cabinet, 6 ...... leg and port. Fig.1-49-Actual opening so-128022 (2) Fig.2 Fig.3 Fig.4-(Supply)
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a phase inverted
speaker system. An example of a conventional phase inversion type speaker system is shown in
FIGS. 1 and 2. FIG. In these figures, the speaker cabinet (1) K is a speaker for bass (2), a speaker
for mid tone (3), a speaker for high tone (111 is attached, n1 and a port for phase inversion (5+
and leg +61 It is provided. (Η is the speaker 121. +31. This is a dropping network that
divides the electrical input to +111. In an ideal design of such a phase-reversal speaker system, it
is necessary to equalize the air mass in the port east-2 with the vibration system mass of the bass
speaker. Therefore, the required mass 1fr is obtained by increasing the volume of the port (5).
The apparent volume of the cabinet is the sum of the volume of the original cabinet and the
volume of the port7. The present invention aims to reduce the price by utilizing the port portion
of such a phase-reversal type speaker system as a leg portion of the speaker system, and to
reproduce good sound with a relatively small 'R' box. It is. FIG. 3 is a perspective view of an
embodiment of the position inverted speaker system according to the present invention, and a
side sectional view of the fourth lamp. In these figures, (1) Fi speaker cabinet, on the front of
which the bass speaker (2), mid tone speaker (3) and high tone speaker C 111 are attached, and
the back 11 [a Network (71 has been installed. The speaker cabinet (11's leg (6) also serves as a
part of the port, and its extension (8) is open at the bottom of the cabinet (1) with a folding angle
n. In the embodiment shown in the figure, a space is formed by the floor surface on which the
speaker cabinet 0 leg (6) and the cabinet 3 o'clock are installed, and a port is formed by an
extension N (g) which is subsequently bent into the cabinet. n. In the wood device configured as
described above, since the cabinet leg is used as a port for phase inversion, the external volume
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of the cabinet can be reduced, and a port is specially provided in the cabinet. Because there is
not, the configuration of the cabinet is simplified 1 and the price can be reduced. 1 “0” ′ ′
tD @ $, “′ ′ ′ ′ FIG. 91 is a perspective view of an example of a conventional phase-reversal
type speaker system, FIG. 2 is a side cross-sectional view thereof, and FIG. FIG. 4 is a side
sectional view thereof. -(1)--Speaker cabinet, 161-1 u11 part and port.
Name of agent Attorney Attorney Yoshizaki Yuji) 1, 1-jμ /-, 14-bit 11III 21171 '121 1022.5 "-輯凰-自-1 1 I 311 I 、, 1114116 280 28022-one generation- Human sleep-second life self-life-
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