Quote Originally Posted by Florian
PS: RGA, i can hear .5db differences and 3db is a lot. Espc. when a box sits in the corners and gets different room gain from the corners.
You are a freakin' cyborg Flo.
Most of us normal humans can only barely hear 1 dB changes with statistical significance. The average healthy ear doesn't even do much better with 3 dB differences.

Funny story - I can notice a +1 dB increase in my room with concentration when I increase the volume. In my last hearing test I could only accurately identify +3 dB increases that the technician controlled better than 90% of the time. 2 dB I was 50/50, and was honestly guessing. That 3 dB is the standard used for hearing. If you can do that, you have an average healthy ear.

I don't find +3 dB in my room to be much of a difference really, noticeable, but I think that's the minimum increment I would change volume by if someone asked me to turn it up or down.