6.1 is the same as a 5.1 set-up - Front left and right, front middle, subwoofer and rear left and right but 6.1 offers one more speaker at the rear in the center.
7.1 will give you a much better audio experience, as with the 5 .1 one set-up but with a two additional speakers in the middle middle of the room with 2 x speakers on the left and right.
61 67 71
41, 43 59, 61 71, 73
41, 43 59, 61 71, 73
The prime numbers between 60 and 80 are 61, 67, 71, and 73.
2OO
The prime numbers between 50 and 75 are 53, 59, 61, 67, 71, and 73.53 59 61 67 71 73.
there are 62,63,64,65,66,68,69 and 70
The prime numbers between 52 and 76 are 53, 59, 61, 67, and 71.
61:71 1:71/61
They are: 67, 71, 73, 79
The odd numbers between 60 and 75 are: 61, 63, 65, 67, 69, 71, 73
47, 53, 59, 61, 57, 71, 73, 79