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Thanks for digging into that minimal detectable increase question.
And yes on the frequency response of the ear, I may have sacrificed
a few octaves to 60s music.
On 7/20/2019 7:16 PM, Mark - N7EKU
It was just from early morning memory,
But as a reference I quickly saw this:
They confirm a doubling/halving needed.
But I found a test site too:
And for me, a 1dB difference was reliably detectable, so I would
go by the 1dB figure if their recordings were correct (dB and
not dBV or dBA). Anyway, mainly I meant that one can hear power
levels at the speaker a lot less than 125mW. Of course it all
depends too on background noise in the room environment, the
speaker, etc. as 125mW in a car going down the road won't get
And if you want to get depressed (or impressed) by how much
hearing loss you have or don't have: