Allowable Example 1
6 Ω
6 Ω
6 Ω
R
L
R
L
(Speaker terminals)
OK: Combined impedance is 12 Ω
Not-allowable Example 1
6 Ω 6 Ω 6 Ω
R
L
R
L
(Speaker terminals)
NG: Combined impedance is 3 Ω
Allowable Examples
Allowable Example 2
6 Ω
8 Ω
6 Ω
(Speaker terminals)
OK: Combined impedance is 14 Ω OK: Combined impedance is 16 Ω
Not-allowable Examples
Not-allowable Example 2
6 Ω
8 Ω
6 Ω 6 Ω
(Speaker terminals)
NG: Combined impedance is 3.4 Ω
6 Ω
8 Ω
8 Ω
R
L
R
L
Not-allowable Example 3
8 Ω
L
R
R
L
NG: Combined impedance is 4 Ω
Allowable Example 3
8 Ω
8 Ω
8 Ω
R
L
R
L
(Speaker terminals)
8 Ω 8 Ω 8 Ω 8 Ω
R
L
R
L
(Speaker terminals)