8121FT Filter

8121FT-1 is a weighting filter manufactured in compliance with IEC 268-1. It must be connected to the Model 8121C produced by Yangguang Electronic Instrument Factory to generate weighted filtered noise that meets the specifications of IEC 268-1, which is used for loudspeaker lifespan testing and the determination of loudspeaker rated power.

Note for operation: The input signal source shall be pink noise, and no other types of noise signal sources are allowed.

In addition, the noise generated by this weighting filter also complies with the filtered noise specifications set forth in JIS C5532.