Quote Originally Posted by Pharos View Post
I disagree with AE about the sound pressure level meter, quite apart from ear protection.

If you have a specification of maximum spl for a speaker, its use can be a guide, but I agree with what as has been said above; if a speaker is able to produce a high spl without distorting, it is hard for the ear to determine.
You're wrong to disagree... It would be as much use as a chocolate fire guard.