產品特點：消(xiao)(xiao)聲(sheng)(sheng)器具(ju)有(you)良好的(de)中(zhong)高(gao)頻消(xiao)(xiao)聲(sheng)(sheng)性(xing)(xing)能。按氣流通道(dao)幾(ji)何形狀不(bu)同，可(ke)(ke)分為直管式(shi)、片式(shi)、折板式(shi)、迷宮式(shi)、蜂窩式(shi)、聲(sheng)(sheng)流式(shi)、障板式(shi)、彎頭(tou)式(shi)等。抗(kang)性(xing)(xing)消(xiao)(xiao)聲(sheng)(sheng)器適用于消(xiao)(xiao)除(chu)中(zhong)低頻噪聲(sheng)(sheng)或窄(zhai)帶噪聲(sheng)(sheng)。按其作(zuo)用原(yuan)理不(bu)同，可(ke)(ke)分為擴張(zhang)式(shi)、共振(zhen)腔式(shi)和干涉式(shi)等多(duo)種型式(shi)。阻抗(kang)復合式(shi)消(xiao)(xiao)聲(sheng)(sheng)器，有(you)共振(zhen)腔、擴張(zhang)室、穿(chuan)孔(kong)屏等聲(sheng)(sheng)學濾波(bo)器件，綜合了阻性(xing)(xing)消(xiao)(xiao)聲(sheng)(sheng)器良好的(de)中(zhong)高(gao)頻消(xiao)(xiao)聲(sheng)(sheng)特性(xing)(xing)和阻抗(kang)性(xing)(xing)消(xiao)(xiao)聲(sheng)(sheng)器較(jiao)好的(de)低頻消(xiao)(xiao)聲(sheng)(sheng)特性(xing)(xing)，因(yin)此(ci)其消(xiao)(xiao)聲(sheng)(sheng)頻帶寬，它是較(jiao)常(chang)用的(de)標準消(xiao)(xiao)聲(sheng)(sheng)器系列之一。適宜風速(su)為6～8米/秒，可(ke)(ke)達(da)到8～12米，可(ke)(ke)單獨使(shi)(shi)用，也可(ke)(ke)串聯使(shi)(shi)用。消(xiao)(xiao)聲(sheng)(sheng)效果(guo)：低頻10～15dB/m，中(zhong)