Bedienungsanleitung JL Audio C7-350cm (Seite 2 von 8) (Englisch)

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DESIGN & TECHNOLOGIES

Cone and Dust Cap:

Vacuum-formed, mineral-filled polypropylene

material offers excellent damping and low mass.

The cone body features a gentle curvilinear

profile to optimize response.

A concave dust cap further improves high

frequency behavior.

Suspension Design:

The moving assembly is suspended and

damped via a linear profile spider formed from

a Nomex®/polycotton blend, and a positive-roll,

rubber surround. The two combine to provide

optimum damping without prematurely

restricting the C7-350cm’s excursion capability.

Motor Design:

The C7-350cm employs a high-density magnetic

circuit with a high-grade, neodymium magnet,

and a specially machined, U-Yoke motor

topology. Motor magnetics have been precisely

optimized utilizing advanced FEA tools to

reduce distortion and provide linear motor force

throughout the driver’s performance range.

A 36 mm (1.42 inch) diameter, overhung

voice coil is employed, wound with copper-

clad aluminum wire onto a fiberglass voice

coil former. The oversized voice coil offers

extended power handling capability,

minimizing thermal compression and

distortion at higher listening levels.

Chassis Design:

A purpose-engineered cast alloy basket is

employed, featuring thin spokes to maximize

rear open area, and our Patented Elevated

Frame Cooling technology.

Built in USA with Global Components

C7-350cm: 3.5-inch (90 mm) Component Midrange

INTRODUCTION

Thank you for choosing JL Audio C7 loudspeakers

for your automotive sound system. C7 is the

pinnacle of JL Audio loudspeaker design, benefitting

from patented technologies and our most advanced

development tools.

The C7-350cm is a component midrange

designed to operate in a 3-way system, with a

woofer and tweeter. It offers exceptional transient

response and outstanding linearity, resulting

in unsurpassed clarity and natural mid-range

reproduction. Distortion and non-linearities have

been minimized through critical optimization of

dynamic motor and suspension behaviors.

We do not recommend the use of passive

crossover networks with C7 loudspeakers. Instead,

we recommend a high-quality tuning DSP and a

dedicated amplifier channel for each C7 loudspeaker

in the system. Precise setup of equalization, delay

and crossover filters will ensure optimal in-vehicle

performance.

Should you have any questions regarding the

instructions in this manual, please contact your

authorized JL Audio dealer for assistance, or contact

the JL Audio Technical Support Department.

INCLUDED COMPONENT & PARTS

• One (1) C7-350cm 3.50-inch (190 mm) midrange

• One (1) die-cast aluminum grille tray

• One (1) fine mesh steel grille

• One (1) spiral steel grille

• One (1) 4.7 mm female crimpable connector

• One (1) 2.8 mm female crimpable connector

• Four (4) #6 x 1.25-inch (32 mm) sheet metal screws

100

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ddBB

20 kHz10 kHz5 kHz1 kHz100 Hz20 Hz

0 deg.

30 deg.

45 deg.

Impedance

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