Quote:
Originally Posted by AudioPostChris  The null is present everywhere in the room at sitting position, if I stand or lay down on the floor it's better but that's not an option for mix position. |
It sure sounds like the floor-to-ceiling mode which for a 9' ceiling is 125 hz.
[Edit : oops, make that 62.5 hz. Anyway, see below...]
What's the exact height of the ceiling ?
Can you give more detail on what you've got on the floor and ceiling ?
Paul P