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Large-roll Rubber Surrounds

Provide optimum cone edge suspension and allow for increase X-max.


The inductance of a voice coil.

Lenear Motor Technology (LMT)

Proprietary woofer design that incorporates a large magnet(motor assembly) and a voice coilmounted in a long gap. This results in a lower distortion and higher efficiency woofer.


An electro-acoustic transducer that converts an electrical signal to audible sound waves.

Low Frequency

Generally refers to sound within the 40Hz to 160Hz band.

Low Pass Filter

A device or network of components that block high frequencies at a designed point, and allows bass frequencies to pass.


The length of a vent or port.