Your ceiling speakers will be anywhere from 6 to 12 inches in diameter which likely won t be a problem given that most ceiling joists are 16 inches apart on center with a 14 inch gap between.
7 1 surround sound setup ceiling speakers.
If you re installing 5 6 or 7 ceiling speakers for a home cinema surround sound system.
Place the front left and right speakers at an equal distance from your main listening position in front of your tv lcr ceiling speakers are the best option for this although a good ceiling speaker with a pivoting tweeter will also work.
A 7 1 home theater surround sound system has 7 positional speakers and a subwoofer making 8 total speakers on 7 audio channels.
If you re adding them to an existing surround sound or speaker system you ll generally need fewer ceiling speakers.
The rear speakers are positioned behind you facing forward.
If all of the speakers are mounted in the ceiling the proper height effects cannot be reproduced.
These speakers come in 4 main types.
The two additional speakers also help to fill larger rooms more completely.
Each speaker type serves a specific purpose in the overall configuration.
Given that this is not going to be a music system i would definitely look to save some money and go with the lower end polk in wall in ceiling speakers.
7 1 surround sound in a 7 1 system surround speakers are positioned beside and behind your seating area.
Lose one and it throws off the entire soundscape you re trying to create.
Just like in a 5 1 setup the side speakers are placed to the left and right of your seating position and face directly towards you.
Having 7 speakers over head in a 7 1 system is not going to offer much benefit over a 5 1 system imo.
The rear surround speakers add more depth to the surround sound experience by spreading the sound across four speakers the left and right surrounds and rears rather than two resulting in more directed immersive sound.
Then choose a central seating point and angle your speakers at it keeping them at your ear height when you are seated unless noted otherwise.