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What is this shorting ring?
The shorting ring is a conductive aluminum ring placed in the air gap between the pole piece and the voice coil former
to reduce inductance. Inductance can best be understood as the change in magnetic energy that occurs as the voice
coil moves in and out of the air gap. In most subwoofers this energy is absorbed by the voice coil, causing impedance
rise, introducing distortion and reducing the woofer’s ability to play at the top of the bass spectrum. In the X-Series
subwoofers, the shorting ring simply absorbs changes in inductance, optimizing the sound quality, output potential
and frequency response of the woofer.
A
B
A.
B.
Aluminum Shorting Ring