Manual JL Audio 12IB4 (page 3 of 4) (English)

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JL AUDIO IB4 3

MEDIUM GRAY (MINIMUM):

From a reliability standpoint, this zone

represents a very comfortable operating

power range for each driver. This level of

power will not stress the woofer but will not

extract all of its performance potential, either.

Use of less than the minimum power level

will not damage the woofer, but may result

in unsatisfactory performance.

LIGHT GRAY (OPTIMUM):

This zone represents the best compromise

between long-term reliability, high-output

and low-distortion performance and is

centered on each woofer's continuous

power rating (as published in its

specifications). In this zone, you will be

taking full advantage of the woofer's

optimum, low-distortion performance

range without undue risk of failure.

DARK GRAY (MAXIMUM):

In this zone, low-distortion output and

long-term reliability will be compromised

(especially by an aggressive user). Slightly

more SPL will be gained by pushing the

power into this zone, but typically not more

than 2dB, compared to the light gray zone.

The closer you are to the black zone, the

higher the likelihood of driver failure.

Operate with caution.

BLACK (WARRANTY VOID):

We do not recommend operating

woofers at this level of power. In this zone,

there is a very high probability that the

driver will fail due to excessive heat and/or

mechanical stress.

Subwoofer drivers operated at these

levels of power are NOT covered under

warranty.

JL Audio offers an extensive line of high-performance subwoofer drivers to fit a wide variety of enclosure and power applications. When designing systems with our

drivers, it is very important to achieve a good power match between the subwoofer amplifier and the subwoofer driver's capabilities. The power levels listed in the

above chart represent continuous (RMS) amplifier power per woofer and assume that the user will regularly make full use of that power without drastically

overdriving the amplifier(s). Make sure you factor system impedance and the total number of subwoofers into your calculations. Adhering to these power

recommendations will result in systems that are both reliable and enjoyable.

8IB4

12IB4

10IB4

MINIMUM

OPTIMUM MAXIMUM

LEGEND:

W ARRANTY VOID

25W 50W 100W 200W 400W

RECOMMENDED CONTINUOUS (RMS) POWER RANGE FOR ONE SUBWOOFER DRIVER:

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JL Audio 12IB4 Manual

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