Quote:
norcad wrote:
 To be honest, I'm not 100% sure. This was one of my first measurements, made a couple of years ago. I do remember that the sub was placed in the middle of the room, and not in a corner. And I believe this is a nearfield measurement.
I usually dont use full eq, it was just measurements to see how it would work.
In this closed box, and with full eq it is possible to reach xmech with this driver. But in my music collection I have found only one record where this happens. |
Later... I can show you some graphs that really visually illustrate how much "help" you get from the room when it comes to low end extension with a subwoofer...This may also explain why some sub's are too "boomy"
Generally you may get as much as 9dB increase in SPL at 20 Hz if you put the sub in a corner. If the subwoofer is linear to 20Hz and you put it in a corner you will get close to 10dB increase is level, which is why sub's should be designed for the room and not to be linear in an anechoic chamber
