8121FT-1 (IEC-268-1) 外接滤波器之说明 Description of Model-8121FT-1 (IEC-268-1) (1) 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