Originally Posted by ncpl
The process described is pretty much standard calibration. Have a look in the manual also.

I think he is describing when you can't reach, say 75dB, then you pick the lowest volume speaker and calibrate to that. Don't just arbitrarily pick, say 70db if they could all do say 73dB.

There are some differences in S/N depending what you calibrate too. And it will effect the level MRC measures at which can effect S/N and it will effect where you set the range on the SPL Meter as well.

- Fiddler (IMHO)

If you think listening to music is fun, try learning an instrument.
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