Given two subs, exact copies of each other wired in phase, placed at equal distants from front and side walls. If you orient the drivers such that they point at one another (colliding waves)what will happen vs. two down firing or forward firing? What about placing them so they fire opposite directions?
If you built subs into a pair of floor standing towers what direction would you fire the subs and why?
Thanks for any input on this
Chris
If you built subs into a pair of floor standing towers what direction would you fire the subs and why?
Thanks for any input on this
Chris
Wavelengths at sub frequencies are 25-50' long. So you won't get cancellation in normal sized rooms.
If you read the Harmon whitepaper on sub placement, some of the best configurations involve placing subs facing each other in the front and rear of the room.
It is extremely hard to make any kind of general statements about placement since all rooms are different. The direction a sub faces is mainly important to the degree that it loads the driver, and the degree to which it may rattle the surroundings.
If you read the Harmon whitepaper on sub placement, some of the best configurations involve placing subs facing each other in the front and rear of the room.
It is extremely hard to make any kind of general statements about placement since all rooms are different. The direction a sub faces is mainly important to the degree that it loads the driver, and the degree to which it may rattle the surroundings.
Gottcha'
So a side firing would probably be optimal since it lends itseft to two different firing orientations depending placement.
c.
So a side firing would probably be optimal since it lends itseft to two different firing orientations depending placement.
c.
The one thing you don't want to do with subs is place them symmetrically. Subwoofers in particular excite all sorts of room modes, and symmetical placement has both of them exciting the same positive and negative modes, which makes the peaks higher and the troughs lower. Randomize their placement a bit and you'll get far smoother response from the system.
There are all sorts of things to consider. Since subs are monopole, it's not very important which way they face.
From a stereo imaging point of view it's a good idea to place them near the mains - stereo subs. This is what Adire recommend since all subs will have out of band distortion products which allow you to localise them and mess up the stereo image.
From a room mode point of view the best placement for virtually all rooms is either side of your listening position - the impact of room modes is dramatically reduced as you get "direct field bass."
It's really a matter also of personal taste, room acoustic specifics and experimentation.
I recommend some form of eq to help with modes and a lot of experimenting. Consider Behringer FD or Ultracurve.
From a stereo imaging point of view it's a good idea to place them near the mains - stereo subs. This is what Adire recommend since all subs will have out of band distortion products which allow you to localise them and mess up the stereo image.
From a room mode point of view the best placement for virtually all rooms is either side of your listening position - the impact of room modes is dramatically reduced as you get "direct field bass."
It's really a matter also of personal taste, room acoustic specifics and experimentation.
I recommend some form of eq to help with modes and a lot of experimenting. Consider Behringer FD or Ultracurve.
- Status
- Not open for further replies.