Figure 4
LINE OUT
L
R
NO.2
RIGHT | LEFT |
- + | - + |
LINE IN | SPEAKERS OUT | |
| R | L |
L |
| + |
|
| |
R |
| - |
Power Amplifier
NO.1
Figure 5
LINE OUT
L
R
NO.2
RIGHT
-+
LINE IN
L
R
LEFT
-+
SPEAKERS OUT
RL
+ 
-
Power Amplifier
No.1
Figure 4
LINE OUT
L
R
NO.2
RIGHT | LEFT |
- + | - + |
LINE IN | SPEAKERS OUT | |
| R | L |
L |
| + |
|
| |
R |
| - |
Power Amplifier
NO.1
Figure 5
LINE OUT
L
R
NO.2
RIGHT
-+
LINE IN
L
R
LEFT
-+
SPEAKERS OUT
RL
+
-
Power Amplifier
No.1