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CONNECTION OF SUBWOOFERS TO DLS MONO AMPS
Connection of a subwoofer
with 4 ohm single voice coil
Impedance = 4 ohm
Amplifier speaker terminal
- - + +
Amplifier speaker terminal
- - + +
Connection of a subwoofer
with 4 ohm dual voice coils
Impedance = 2 ohm
Amplifier speaker terminal
- - + +
Connection of two subwoofers
with 4 ohm single voice coil
Impedance = 2 ohm
+
+
4Ω
4Ω
-
-
Connection of four subwoofers
with 4 ohm single voice coil
Impedance = 1 ohm
+-
+
+
-
-
4Ω
4Ω
+
+
-
-
4Ω
4Ω
+
+
-
-
4Ω
4Ω
Amplifier speaker terminal
- - + +
Connection of two subwoofers
with 4 ohm dual voice coils
Impedance = 1 ohm
+-
4Ω
On DLS mono amplifiers, with dual speaker connectors,
both the + and - terminals are internally connected in
parallel.
CAD11 and CAD15 has a speaker terminal different
from this illustration, but we hope you understand what
we mean.
9
Amplifier speaker terminal
- - + +
+
+
-
-
4Ω
4Ω
+
+
-
-
4Ω
4Ω
4Ω
+
-
+
-
+
-
Amplifier speaker terminal
- - + +
4Ω
4Ω
4Ω
Connection of two subwoofers
with 4 ohm dual voice coils in
parallel and then in series to the
amplifier with a resulting
impedance of 4 ohms.
If you connect two subwoofers with
2 ohm voice coils in this way the
resulting impedance is 2 ohms.
9


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  • Could someone please tell me what output MOSFET's are used in a DLS CAD11. I have one in for repair but someone removed all of the output MOSFET's. I have tried 31N20 but the amp is getting too hot & going into protection. Submitted on 4-3-2019 at 13:10

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