How to Connect to Subwoofer Bridge: 8 Steps

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How to Connect to Subwoofer Bridge: 8 Steps
How to Connect to Subwoofer Bridge: 8 Steps
Anonim

You can connect two or more subwoofers to a mono (single-channel) amplifier or to a multi-channel amplifier to increase the power sent to each speaker. Before proceeding with the actual installation it is important to learn how to connect the subwoofers correctly, because one mistake can damage them significantly.

Steps

Bridge Subwoofers Step 1
Bridge Subwoofers Step 1

Step 1. Determine if you can safely connect subwoofers to your amplifier

The significant factor to consider is impedance or resistance. Start by halving the impedance of the two subwoofers you want to connect. For example, if each of your subwoofers has an impedance of 4 ohms, after connecting they will have an impedance of 2 ohms. If the amplifier does not also have an impedance of 2 ohms then it is not safe to proceed further with this configuration, as the amplifier would try to send much more current than it is capable of, overheating.

Bridge Subwoofers Step 2
Bridge Subwoofers Step 2

Step 2. Get the connecting cables you need

To connect two SVC (Single Voice Coil) subwoofers using a single channel amplifier you will need two positive (red) cables and two negative (black) cables.

Bridge Subwoofers Step 3
Bridge Subwoofers Step 3

Step 3. Connect the amplifier to the first subwoofer

Connect the first speaker as you normally would, ie by connecting the positive terminal of the amplifier with the positive terminal of the speaker with a red cable. Then connect the negative terminal of the amplifier with the negative terminal of the speaker with a black cable.

Bridge Subwoofers Step 4
Bridge Subwoofers Step 4

Step 4. Connect the second subwoofer with the first subwoofer

Connect the positive terminal of the first speaker with the positive terminal of the second speaker with a red cable. Then connect with a black cable the negative terminal of the first speaker with the negative terminal of the second speaker. After doing this, the first subwoofer should share each of its terminals with two cables, as it is connected to both the amplifier and the second speaker. The subwoofers are now connected.

Method 1 of 1: Connect Two DVC Subwoofers Using a Mono Amplifier

Bridge Subwoofers Step 5
Bridge Subwoofers Step 5

Step 1. Get the connecting cables you need

DVC (Dual Voice Coil) subwoofers have two pairs of terminals each, and therefore connections will be slightly more complicated than in the case of the SVC configuration. You will need 6 cables: two positive, two negative, and two more cables for bridging.

Bridge Subwoofers Step 6
Bridge Subwoofers Step 6

Step 2. Connect the amplifier to the first subwoofer

Connect the positive terminal of the amplifier with the first positive terminal of the first speaker with a red cable. Then connect with a black cable the negative terminal of the amplifier with the second negative terminal of the first speaker.

Bridge Subwoofers Step 7
Bridge Subwoofers Step 7

Step 3. Connect the second subwoofer with the first subwoofer

Connect the first positive terminal of the first speaker with the first positive terminal of the second speaker with a red cable. Then connect with a black cable the second negative terminal of the first speaker with the second negative terminal of the second speaker. This way, the first subwoofer should now share two of its terminals with both the amplifier and the second subwoofer.

Bridge Subwoofers Step 8
Bridge Subwoofers Step 8

Step 4. Connect each subwoofer with itself

At this point each subwoofer should have two unused terminals: the first negative terminal and the second positive terminal. For each speaker use a short cable to connect these terminals together. The subwoofers are now connected.

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