JL Audio W7AE Handleiding

JL Audio Subwoofer W7AE

Lees hieronder de 📖 handleiding in het Nederlandse voor JL Audio W7AE (16 pagina's) in de categorie Subwoofer. Deze handleiding was nuttig voor 45 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld

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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.

Thank you for purchasing a JL Audio W7 subwoofer driver. The W7

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 W7 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 W7’s capabilities.

Two enclosure recommendations are listed for each model,

one sealed and one ported. The sealed enclosure design will,

in most cases, 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,

it is designed for music listening. It will be very loud and sound extremely

good when set up properly.

An Introduction

When designing systems with W7 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 ONE SUBWOOFER DRIVER:

In addition to the enclosure recommendations, we also provide

recommended amplifier settings for JL Audio amplifiers used with

W7’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). You will notice that our

recommended settings do not include any bass EQ boost... this is because

W7’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. Please turn off all sound processing that

would affect the subwoofers (loudness circuits for example).

For optimum sub-bass performance, the amplifier input sensitivity

must be adjusted to avoid excessive distortion (clipping) of the

amplifier output. With W7 subwoofers, a clipped amplifier output will

manifest itself audibly as a low-level “mechanical” sound coming from the

speakers. Proper input sensitivity setting will avoid this problem. Overly

high input sensitivity settings result in no additional clean output but will

result in poor sound quality and reduced speaker reliability.

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

250W 500W 1000W 2000W 4000W125W

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 W7’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 W7 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 - Massive Forced-Air-Cooled

Aluminum Alloy Frame (U.S. Patent #D472,891,

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

The elevated frame design of the W7 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.

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, W7 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 W7 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.

W7 Technologies

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. W7 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.

Product specificaties

Merk:	JL Audio
Categorie:	Subwoofer
Model:	W7AE

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