The weighting filter 8121FT-1

8121FT-1 (IEC-268-1)the weighting filter

(1)8121FT-1 is the weighting filter made in accordance to the IEC-268-1 requirement, it must linked with either Model-8121C, to enable it to generate a 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) When using please take note that: The input signal adopts the Pink Noise and not other signal noise sources.

(3) Furthermore, the noise generated from this weighting filter also complies with the filter noiserequired by the JIS C5532.

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