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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a system diagram of a conventional twochannel four skier system, FIG. 2 is a layout diagram of the speakers in a car, and FIG. 3 is a twochannel four-slot system in one embodiment of the present invention. Fig. 4 is a diagram of a
beaker system and Fig. 4 is a schematic diagram showing another embodiment. 5, 6 · · · · · · · ·
Speaker, 1 · · · · · · · · · · · variable resistor. Fig. 1-7-50-127 403 (2) Fig. 3-8-
Detailed Description of the Invention 1 Description 1 Title 2 of the Invention Addition to the draft
request 42 frills of the 42 channels are separated, one is a speaker K provided on the left @ in
the front and rear in the car The other is a two-channel four-speaker system in which the front
and rear right IIK are provided and means for supplying simultaneously to the speakers are
provided, while the O left and right speakers have an input circuit that can be used. 3. Inventive
O In detail JI 111kW & 寡 寡 框 框 チ ャ ン ネ ル チ ャ ン ネ ル チ ャ ン ネ ル チ ャ ン ネ ル チ ャ
ン ネ ル チ ャ ン ネ ル b b b b b お こ Jb K な な で あ で あ で あ み で あ. As shown in Fig. IE1,
the main component of the main component is a low-pitched signal 3.4 and a speaker 6.6. In the
case of the speaker 6.60 arrangement, one skier 6 is arranged at the front and the other speaker
6 is arranged * mK on the front side as shown in FIG. Ushi-"22 · only [, こ 隻 隻 隻 、 、 心理 隻
隻 隻 隻 隻 隻 隻 隻 隻 隻 隻 隻 隻 隻 隻 隻 隻 隻 隻 隻 隻, よ う よ う 隻 場 隻 隻 隻 隻 隻 隻 隻 隻
隻 隻 隻 隻 隻 隻 隻 22 22 22 22 22 22 22 22 22 22 22] 場 22 場 22 22. Therefore, the
efficiency and size Yr of the speaker can not be changed, and there is a drawback that n43 can
not actively perform the sound field and the habit. Also, if a 4-channel 4-speaker system is
introduced, channel balance control can be used to adjust the sound field to any level, but it is
necessary to use four low-pitched amplifications lII, making the configuration complicated. Along
with the cost of r cost is a drawback that 'h heart. The present invention eliminates such a
drawback, and will be described by swallowing-actual 掩 g '. First of all, the figure 3 is combined
with the figures 1.2, 3.4 and 6 ° 6, the figure 1111, and the figure 2 with the same code in the
figure IE2 [detailed description company "l1ll! する。 The numeral 7 is a large variable resistor
inserted into the front speaker 6 and the image waste lamp amplifiers 114a, 4o,-. In addition to
Fig. 4 掩 et al. (掩 掩 掩 減 衰 減 衰), in addition to the path in Fig. 3 01, the variable attenuation
to the key stage of the loose speaker 6)) Panno 8 and 5 et-added. In this case, the speaker e & J
input 1I disposed at the key portion of the company car in the embodiment of FIG. It is like that.
After the meeting, on the top According to the conditions of the speaker, the sound field ms or
the simple Kk 珍 會 ・ 會, in the case of 寥 4 is acceptable! In addition to the resistor TK, a
further rll Jl 'attenuator is provided so that a good sound field can be provided to all the crew
The whole sound field adjustment can be performed in the control city 2 as shown in FIG. As
described above, according to the present invention, the b speaker C is attached to each other in
the # seconds in the car, and one of the left and right speakers 0 power 1 IKIITfI! The anti-IIvt
insertion slot by post, without depending on the speaker can be performed in-vehicle O sound
field adjustment t * Jb K, which is practically convenient.
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