If One Speaker is Playing @ 90 dB...

[E-Stat]

I'd say that 3dB is pretty much audible in any term.

Agree.

 

[spicer]

Sorry, usually my experience is limited to what I own which seems to series them. If that's not the case, I apologize.

OH no... no apology. The only reason I offered an opinion is because I spent quite a few years in the service business and saw many of them.