JL Audio C7-100CT Bruksanvisning
JL Audio
Bil högtalare
C7-100CT
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OWNER’S MANUAL
1-inch (25 mm) Component Tweeter
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DESIGN & TECHNOLOGIES
Dome Diaphragm:
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Corundum ceramic-coated aluminum alloy
diaphragm exhibits high stiffness, very low mass
and excellent environmental stability.
Suspension Design:
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The diaphragm’s motion is centered, sprung
and damped by a treated silk, s-roll surround.
Ferrofluid in the magnetic gap acts as a rear
suspension element in this design. The two
combine to provide optimum damping
without unduly restricting excursion.
Motor Design:
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The C7-100ct employs a high-density magnetic
circuit with a high-grade, neodymium
magnet, and a specially machined, U-Yoke
motor topology. An under-hung voice
coil is employed, wound with copper-clad
aluminum wire onto an aluminum voice coil
former. Motor magnetics have been precisely
optimized utilizing advanced FEA tools to
lower even order distortion and IMD/AMD.
Acoustical Design:
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The shape of the tweeter housing is designed to
boost sensitivity in a very specific bandwidth,
helping to flatten the frequency response. It
also provides control of directivity.
C7-100ct: 1-inch (25 mm) Component Tweeter
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 C7-100ct is a component tweeter designed to
deliver unparalleled high-frequency performance.
Utilizing a corundum ceramic-coated aluminum
alloy diaphragm with a treated silk, s-roll surround,
it provides spectacularly detailed reproduction
of treble frequencies and outstanding off-axis
response. Distortion and non-linearities have been
minimized through critical optimization of dynamic
motor, diaphragm and suspension behaviors.
Flush and surface mounting fixtures are included
to fit a variety of installation applications, as well as a
15μF protection capacitor to guard against damage
from transient electrical pops (turn-on/off). This
capacitor is not a substitute for high-pass filtering,
but must be connected in all installations.
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.
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OOhhmmss
ddBB
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45 deg.
Impedance
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C7-100ct: Specifications and Crossover Setting Guidelines
C7100ct SPECIFICATIONS
Speaker Type: Component Tweeter
Nominal Diameter: 1 in. (25 mm)
Nominal Impedance (Znom): 4 ohms
Continuous Power Handling: 100W
Recommended Amplifier Power: 50-150W (RMS)
Net Weight: 0.25 lbs. (110 kg)
Parameters:
Voice Coil Resistance (Re): 3.20 ohms
Free Air Resonance (Fs): 1450 Hz
Reference Efficiency (no): 0.267%
Efficiency: 86.5 dB 1W/1m | 92.5 dB @ @ 1W/0.5m
Sensitivity: 89.5 dB @ 2.83V/1m
Design Bandwidth:
With 48 dB/octave filters: 3 kHz - 30 kHz
With 24 dB/octave filters: 4 kHz - 30 kHz
With 12 dB/octave filters: 5 kHz - 30 kHz
INCLUDED COMPONENT & PARTS
• One (1) C7-100ct 1.0-inch (25 mm) tweeter
• One (1) surface-mount fixture
• One (1) flush-mount fixture
• One (1) #8 metal spring clip (for flush-mounting)
• One (1) #8 flat metal spring nut (for surface-mounting)
• One (1) M4 x 30 mm machine screw
• One (1) #8 x 1.0-inch (25 mm) sheet metal screw
• One (1) 4.7 mm male crimpable connector
• One (1) 2.8 mm male crimpable connector
• One (1) 150 µF tweeter protection capacitor
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dB SPL
20 kHz10 kHz5 kHz1 kHz 2 kHz100 Hz50 Hz 200 Hz 500 Hz20 Hz
Sum
Tweeter
Woofer
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dB SPL
20 kHz10 kHz5 kHz1 kHz 2 kHz100 Hz50 Hz 200 Hz 500 Hz20 Hz
Sum
Tweeter
MidrangeWoofer
C7 3-Way Speaker System
C7-650cw Woofer
Low-Pass: 24 dB/octave Linkwitz-Riley @ 400 Hz
Level Offset: 0 dB
C7-350cm Midrange
High-Pass: 24 dB/octave Linkwitz-Riley @ 480 Hz
Low-Pass: 24 dB/octave Linkwitz-Riley @ 3500 Hz
Level Offset: 0 dB
C7-100ct Tweeter
High-Pass: 24 dB/octave Linkwitz-Riley @ 4500 Hz
Level Offset: -1.0 dB
Please note: These are recommended starting points
for tuning. In-vehicle measurements should be made
to optimize the crossover for speaker placement
and vehicle acoustics.
C7 2-Way Speaker System
C7-650cw Woofer
Low-Pass: 24 dB/octave Linkwitz-Riley @ 2700 Hz
Level Offset: 0 dB
C7-100ct Tweeter
High-Pass: 24 dB/octave Linkwitz-Riley @ 4000 Hz
Level Offset: -1.0 dB
Please note: These are recommended starting points
for tuning. In-vehicle measurements should be made
to optimize the crossover for speaker placement
and vehicle acoustics.
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Produktspecifikationer
| Varumärke: | JL Audio |
| Kategori: | Bil högtalare |
| Modell: | C7-100CT |
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