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Can I use a regular dual voice coil subwoofer in a Direct Servo sub?

April 26, 2017coil dual regular servo sub subwoofer Voice

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Can I use a regular dual voice coil subwoofer in a Direct Servo sub?

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It is possible but certainly not preferable. The results will not be worth the effort. If you use one of the coils in a dual voice coil subwoofer, you will severely compromise the performance. Both voice coils are required for the driver to perform well, and the a regular voice coil does not perform well as a sensing coil. The sensing coil in our driver is wound with the smallest gauge of wire. It is not only lighter, but also space efficient in the magnet gap. With a regular dual voice coil driver, half the gap space is wasted because only the half is used for producing electromagnetic force. The extra weight from the voice coil which is now being used as a sensing coil can increase the moving mass and hence increase the magnetic distortion of the motor.