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CC5991南京長(zhǎng)創(chuàng)揚(yáng)聲器/話筒自動(dòng)極性測(cè)試儀CC5991

CC5991 揚(yáng)聲器/話筒自動(dòng)極性測(cè)試儀

脈沖寬度：0.4ms(±0.4ms) 脈沖幅度：不小于10Vρ-ρ(輸出幅度置于“高”) 輸出幅度置于“高”：適用于一般音響揚(yáng)聲器輸出幅度置于“中”：適用于球頂揚(yáng)聲器輸出幅度置于“低”：適用于MYLAR揚(yáng)聲器和動(dòng)圈受話器傳感話筒：電容式傳聲話筒蜂鳴器：可切換“+”或“-”報(bào)警靈敏度：不小于25cm(與揚(yáng)聲器距離) 差別速度：0.2秒

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