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JL Audio Subwoofe User Manual

Page 2

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•Do NOT use different impedance speakers when using multiple subwoofers!

•JL Audio recommends using subwoofers as part of a bi-amplifi ed system using high quality satellite speakers like our Evolution line

of coaxial and component speakers. We do not recommend the use of passive crossover components (coils) on subwoofers. These
components may adversely affect the performance of a subwoofer.

•When dealing with exceedingly long port lengths, we recommend the use of JL Audio’s Flex-Port System. The Flex-Port tubing is

fl exible, allowing it to fi t in otherwise tight locations. The Port mouths provide not only a convenient method of securing the port,
but a smooth, rounded edge for the port termination as well.

Wired directly to the amplifi er:

A single 4

speaker will present a 4

load.

A single 8

speaker will present a 8

load.

With speakers wired in parallel:

Two 4

speakers will present a 2

load.

Two 8

speakers will present a 4

load.

With speakers wired in parallel:

Three 4

speakers will present a 1.3

load.

Three 8

speakers will present a 2.7

load.