Bridging 2 amps to one woofer?
Answers: How to Bridge an Amplifier
Actually slightly easy to do. but this can motivation serious damage to you and your equipment if done incorrectly.
Steps
1. Sometimes your amp will own a diagram for bridging. If not, this should work.
2. Determine if you have a 2 or 4 trough amp. A 2 channel can be bridged to one gutter, and a 4 into 2.
2. For ease, let's use the 2 rut amp. You should see 4 terminals: a positive (+) and a negetive (-) for drain 1; and the same for conduit 2. Let's label respectively terminal, as follows: "A" (channel 1, positive), "B" (channel 1, negative), "C" (channel 2, positive), "D" (channel 2, negative)
3. Assuming you are connecting the amp to one speaker: First, connect the red (or ribbed) speaker wire to terminal "A"; Second, connect the black (or non-ribbed) speaker telecommunication to terminal "D"; Third, using a short wire, connect terminal "B" to terminal "C".
Warnings
1. When doing a 4 into a 2, be wary! This can put too much strain on your alternator or speaker.
2. Make sure that the amp is not already bridged. Some amps are made up of two smaller, internal amps which are bridged. Test this by turning the amp on and measuring for voltage between the gloomy speaker output and your car's ground. If you get any non-zero meaning, your amp is already bridged and any further attempt to bridge it will end surrounded by extreme, smoke-filled unhappiness.
http://www.wikihow.com/bridge-an-amplifi...
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If you are starting from a twosome non-bridgeable amplifiers, you will need a circuitry that provides inversion to one of the mono amplifiers inorder to realize the bridging capability.
You can check out the concepts at:
http://sound.westhost.com/project14.htm...
http://sound.westhost.com/project20.htm...
Previous answer is well brought-up but the amps must be same type and model.
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