Adrian, those numbers should be ignored if the topic is listening to music in the home. As I commented in my earlier reply, those workplace numbers accept some level of long term hearing loss, while this should be totally unacceptable in the context of home listening. The EPA and World Health Organization numbers that I linked are substantially lower for "community" levels rather than the workplace. For example, at 115dB the limit is zero.

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Enjoy the music, not the equipment.