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Wiring Configurations
Three configurations for connecting speakers to an amplifier
are Series, Parallel, and Series-Parallel wiring. A Series con-
figuration consists of two or more speakers wired in an string
(end to end). A Parallel configuration consists of two or more
speakers wired with the common terminals connected across
each other. A Series-Parallel configuration is a combination of
both methods. Determine which method will be compatible
with your amplifier.
R
T
= R
1
+ R
2
+ R
3
+ etc.
1 1 1 1 1
=++++ etc.
R
T
R
1
R
2
R
3
R
4
Series Wiring
Parallel Wiring
4Ω load 4Ω load
+ – + –
+ –
8Ω load
8Ω load
8Ω load
+ – + –
+ –
4Ω load
• R
T
indicates the total speaker load
• R
1
, R
2
, etc. indicates each speaker in the system
• Red dot indicates “+” terminal of
8 ohm
speaker
• Purple dot indicates “+” terminal of
4 ohm
speaker
+ –
4Ω load 4Ω load
+ –
4Ω load 4Ω load
+ –
+ –
4Ω load
+ –
+ –
Series-Parallel Wiring
I
N
S
T
A
L
L
A
T
I
O
N
® ®