สิ ่ ง ที ่ อ ยู ่ ใ นกล่ อ ง
สิ ่ ง ที ่ อ ยู ่ ใ นกล่ อ ง
............................................................................................................................ 11
................................................................................................................................... 12
..................................................................................................................... 13
ตั ้ ง ค่ า ล� า โพง
...................................................................................................................... 14
1:
..................................................................................................................... 18
....................................................................................................................... 18
ส่ ว นควบคุ ม ของล� า โพง
.................................................................................................................. 19
/
............................................................................................................................ 20
.......................................................................................................................... 22
.................................................................................................................... 23
....................................................................................................................... 24
.......................................................................................................................... 25
......................................................................................................................... 26
............................................................................................... 13
.......................................................................................................... 15
.......................................................................................................... 15
ไม่ ไ ด้ ใ ห้ ไ ว้
) ........................................................................... 16
................................................................................................... 17
...................................................................................................... 21
สารบั ญ
|
9
T H A