Series-Parallel—Three Speakers (dual 4 ohm voice coils)
Note: Verify and ensure that the woofer wiring is connected as
shown with the negative connection from the first woofer coil
connected to the positive connection of the second woofer coil.
Three dual 4 ohm voice coil woofer with voice coils of each woofer
wired in series and then parallel the three woofers for a resulting
2.67 ohm load to the amplifier.
1. Connect each woofer in series by connecting the negative (-) of
the first coil to the positive (+) terminal of the second coil.
2. Wire the positive (+) terminal of each woofer’s first coil to the
positive (+) terminal on the amplifier. Wire the negative (-)
terminal of each woofer’s second coil to the negative (-) terminal
on the amplifier.
4 ohm
4 ohm
+
+
-
-
4 ohm
4 ohm
+
+
-
-
4 ohm
4 ohm
+
+
-
-
+
-
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