JL Audio 8W7AE Handleiding

JL Audio Subwoofer 8W7AE

Lees hieronder de 📖 handleiding in het Nederlandse voor JL Audio 8W7AE (16 pagina's) in de categorie Subwoofer. Deze handleiding was nuttig voor 25 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld

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W7AE Owner’s Manual

YELLOW OPTIMUM:

This zone represents the best balance

between long-term reliability, high

output and low distortion performance.

In this zone, you will be taking full

advantage of the woofer's optimum,

low-distortion performance range

without undue risk of failure.

RED 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 yellow

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.

GREEN 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.

An Introduction

When designing systems with W7AE 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 (clipping) 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.

RECOMMENDED CONTINUOUS RMS POWER RANGE FOR SUBWOOFER DRIVER:ONE

Please consult the input sensitivity setting information on page 14 of this book.

250W 500W 1000W 2000W 4000W125W

13W7AE

12W7AE

10W7AE

8W7AE

Thank you for purchasing a JLAudio W7AE subwoofer driver. The

W7AE embodies JLAudio’s commitment to pushing the envelope

of speaker technology, with eight patented technologies, a design

patent and a completely unique set of component parts. Each

W7AE model has been meticulously engineered to reproduce

sub-bass with extreme fidelity at any volume level, provided it

is installed and tuned properly. Please review the information in

this document carefully so as to maximize your enjoyment of the

W7AE’s capabilities.

Two enclosure recommendations are listed for each model,

one sealed and one ported. In most cases, the sealed enclosure

design will give you the best overall sound quality and take up the

least space in your vehicle. The ported enclosure design will deliver

additional output over the sealed enclosure (about 3 - 4 dB more)

and will also maintain excellent sound quality, but it will require

significantly more space to install. The recommended ported

enclosure is not designed for peaky “competition SPL” performance,

but rather for music listening. It will be very loud and sound

extremely good when set up properly.

In addition to the enclosure recommendations, we also

provide recommended amplifier settings for JL Audio amplifiers

commonly used with W7AE’s. Some of this information is also

applicable with other brands of amplifiers (like crossover points

and slopes), some is not (like the voltage levels specified for input

sensitivity settings). Please note that W7AE’s rarely require any

equalization to produce smooth frequency response. If you have

an equalizer in your system (or one is included in your head unit

or amplifier), defeat all bands below 125 Hz before dialing in your

new system settings.

For optimum sub-bass performance, the amplifier input

sensitivity must be adjusted to avoid excessive distortion (clipping)

of the amplifier output. Overly high input sensitivity settings

result in no additional clean output but will result in poor sound

quality and reduced speaker reliability. With W7AE subwoofers,

a clipped amplifier output may manifest itself audibly as a low-

level “mechanical” sound coming from the speakers. Proper input

sensitivity setting will avoid this problem.

W7AE Subwoofer Drivers: Tight.

The ultimate no-compromise subwoofer for those seeking extreme output and sublime sound quality.

1 - OverRoll™ Surround

(U.S. Patent #5,687,247 and #5,949,898)

By utilizing space wasted in conventional

speakers, this ground-breaking innovation controls

the W7AE’s massive excursion without sacrificing

precious cone area.

2 - W-Cone™ (U.S. Patent #6,496,590)

The W-Cone™ is a unit-body cone assembly that

delivers astonishing cone stiffness with minimal

mass. The shape also provides incredible torsional

rigidity, which is critical to maintaining voice coil

alignment at the suspension limits.

3 - Floating-Cone™ Attach Method

(U.S. Patent #6,501,844)

Our newly conceived assembly technique ensures

proper surround geometry in the assembled

speaker for better excursion control and dynamic

voice coil alignment. A small detail that means

a lot when you’re pumping the cone to the

excursion extremes the W7AE is capable of.

4 - Plateau-Reinforced Spider Attachment

(U.S. Patent #6,118,884)

A derivative of JLAudio’s famous VRC technology,

this bulletproof suspension attachment relieves

stress from the spider material at high-excursions

for enhanced reliability.

5 - Radially Cross-Drilled Pole Piece

(U.S. Patent #6,243,479)

This innovative venting system greatly enhances

thermal dissipation and power handling by

directing air flow onto the voice coil former,

working in conjunction with technology #6.

6 - Elevated Frame Cooling (U.S. Patent

#D472,891, #6,219,431 and #6,229,902)

The elevated frame design of the W7AE delivers

cool air through slots directly above the top-plate

to the voice coil of the speaker. This not only

enhances power handling, but also sound quality

by minimizing dynamic parameter shifts and

power compression.

In addition to the patented technologies listed above, multiple U.S. and International patents are currently pending.

WARNING: Prolonged exposure to high sound pressure levels can lead to permanent hearing loss.

W7AE subwoofers are capable of reproducing sound at extremely high sound pressure levels. Please exercise restraint in the operation of your system

in order to preserve your hearing and your long-term enjoyment of this product’s sound quality capabilities.

7 - Highly Linear, DMA-Optimized Motor System

DMA is JLAudio’s proprietary Dynamic Motor

Analysis system and is aimed at improving

dynamic motor behavior. As a result of DMA

optimization, W7AE motors remain linear in motor

force over an extreme range of excursion and also

maintain a highly stable fixed magnetic field in

the gap over a wide power range. This leads to

vastly reduced distortion and faithfully reproduced

transients... or put simply: tight, clean, articulate

bass.

8 - Huge Diameter, Progressive-Roll Spider

Arrived at after intense computer analysis and

optimization, the W7AE spiders provide precise

control and motor/voice coil alignment without

prematurely limiting excursion.

9 - Co-Extruded Double Lead-Wires

The extruded casing and carefully engineered

attachments ensure controlled lead-wire behavior

under the most extreme excursion demands. Two

conductors are used per connection for ample

current carrying capability.

10 - Ultra-long Voice Coil

To allow extreme linear excursion, phenomenal

power handling and control, control, control.

Product specificaties

Merk:	JL Audio
Categorie:	Subwoofer
Model:	8W7AE

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