IMAX Cinemas - How loud is too loud?

[Elderly]

GetCarter said:

I don't visit the cinema without these: http://www.djmmusic.com/p-2673-acs-elacin-er-20-hi...

Don't you use the Etymotic versions? http://www.musicianshearingservices.co.uk/what-we-...

[Laurel Green]

Was it a late night show anywhere near Caterrick perchance?