(57) [summary] (modified with) Purpose The purpose of the present invention is, suikinkutsu facilitated the installation work by the weight of the suikinkutsu, public address system of suikinkutsu, to re-use wastewater as acoustic source and there is provided a set product of the circulation system. [Configuration] Put the bottle 6 that a hole in the bottom in the synthetic resin bottle frame 7, is provided each bottle 6 bottle frame 7 in heaven section 8 and the underground section 3, the space between the bottle frame and the bottle 9 It is provided and an acoustic plate 1 immediately below the hole in the bottom of the bottle arranged on the top of the tower 2 is provided with a support column bottom 11 to support the acoustic plate to the underground part 3. The circulating water pipe 16 to the water discharge pipe 4 to be provided to the underground part 3 is provided, down the drainage pump, to be reused as the acoustic source. The microphone 14 into a shrine 13 that is placed over the hole 12 is provided, a speaker 1 It was to be able to hear the sound of suikinkutsu at the door or the like by 5.
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