What is EIA RS-426B standard.

[VISHNU GOPI]

Hi.. I have a great doubt about power handling of the speaker.
Some brands rate under IEC pink noise test.
Some brands rate under EIA RS 426B.
What is difference between both.😕

 

[JonSnell Electronic]

AES

Audio Engineering Society - the equipment being tested is subjected to a broadband pink noise signal. This type of signal contains equal energy in each frequency band over the specified frequency range. Testing using such a signal is more reliable when compared with a single frequency test (RMS) as it is testing over the whole frequency range at once.
IEC

This test procedure produces similar results to the AES method - filtered noise is used with a Crest Factor of 6dB (i.e. the peaks are 4 times higher than the average level) over long test periods. The AES rating has replaced the IEC rating and both are generally accepted as being the most reliable methods of testing.

details of the following standards have been removed after request from the original copyright holder.

The IEC268-5 (1978) standard
The EIA RS-426-A (1980) standard
The EIA RS-426-B (1998) standard

The original article may be viewed here Speaker power handling

 

[Eric Chu]

Well, the EIA426B has higher bass content, so closer to modern pop or rock music spectrum, the AES noise is closer to average classical music spectrum.