Now I'm seriously confused. I used to believe that my Q = 0.6 was overdamped. Now I am hearing that it's underdamped.
By the engineering definition, yes, systems with Q values greater than 0.5 are technically underdamped.
But from a practical stand point, loudspeaker systems with Q values of 0.5 to 0.707 are considered 'well' damped.
Structures and thick panels may be considered well damped with Q values from 1 to 10, so desired Q values are application dependent.
Don't let the words of the technical definitions for Q overly guide the determination of practical desired values for the particular application.
"The Q-factor or quality factor is defined as the ratio of energy stored to the energy dissipated per cycle for under-damped systems."
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Bass responce is completely dominated by room modes.
Hi,
However how the speaker interacts with the room modes
depends on its bass roll-off and its placement in the room.
rgds, sreten.
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