8121FT滤波器

8121FT-1乃是根据iec-268-1 规定所制造的加权滤波器，必须配合及连接阳光电子仪器厂所制造的8121c之后，方能产生符合iec-268-1所规定的加权滤波杂音，以进行扬声器的寿命试验及订定扬声器的额定功率。

　　8121ft-1 is the weighting filter made in accordance to iec-268-1 requirement, it must linked with either model-8121c made by sunlight electronics laboratory, to enable it to generate weighting noise filter that complied with iec-268-1 requirement , for undergoing the life testing of the loudspeaker and by defining the rated power of the loudspeaker

　　(2) 使用时请注意: 输入的讯号源是采用粉红查杂音(pink noise)，不可使用其他种类的杂音讯号源。

　　when using please take note that: the input signal adopts the pink noise, and not other signal of noise sources.

　　(3)由此加权滤波器所产生的杂音同时也符合jis c5532 所规范的滤波杂音。

　　furthermore, the noise generated from this weighting filter also complies with the filter noise required by the jis c5532.