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JL Audio C7-100ct

C7 Series 1" aluminum alloy edge-driven dome tweeter (Single)

2 Reviews

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Overview

Our take on the JL Audio C7-100ct

Whoa... That's about all I could muster after demoing JL Audio's C7 component system at their headquarters. I was floored. Track to track, moment to moment, I was astounded by the clarity and presence reproduced by these speakers. Impactful loudness, rich detail, imaging that seemed almost magical — all of it facilitated an emotional connection that rivaled live performance. 

JL Audio's flagship car speaker series

Whoa... That's about all I could muster after demoing JL Audio's C7 component system at their headquarters. I was floored. Track to track, moment to moment, I was astounded by the clarity and presence reproduced by these speakers. Impactful loudness, rich detail, imaging that seemed almost magical — all of it facilitated an emotional connection that rivaled live performance. 

Note: The C7 Series 6-1/2" woofer, 3-1/2" midrange, and 1" tweeter are all sold singly.

Immaculate highs

This C7-100ct aluminum alloy 1" tweeter features an edge-driven dome design that ensures your highs will be smooth, accurate, and distortion-free. JL Audio uses a specialized corundum coating that's nearly as hard as diamond to push breakup behaviors well beyond the audible range — you won't hear any harshness from this impressive tweeter. And with an elegant grille like no other for custom installation, this tweeter will look sharp no matter where you need to install it.

Make it part of an active system

The ultra-premium C7 Series has been years in the making, but its unveiling was contingent on JL Audio providing the ultimate tuning solution for optimal speaker performance — and that's TüN, their latest audio-tuning software. Each C7 speaker is sold à la carte to give you the freedom to design whatever system your ears desire. You'll need an active crossover to use C7 speakers —  JL Audio' recommends using their TwK™ 88 digital signal processor, which gives you access to the awesome sound-shaping power that TüN offers. The JL Audio engineers designed the C7-100ct to be neutral, without coloration, so that you can use TüN to craft exactly the right sound for you and your vehicle.

Product Highlights:

  • 1" aluminum alloy edge-driven dome tweeter
  • C7 Series 6-1/2" woofer and 3-1/2" midrange sold separately
  • for use with an active crossover
  • handles up to 100 watts RMS (200 watts peak power)
  • surface- and flush-mountable
  • frequency response: 3,000-30,000 Hz
  • impedance: 4 ohms
  • sensitivity: 89.5 dB at 2.83 volts
  • grille included
  • top-mount depth: 3/4"
  • warranty: 1 year
  • Our 60-day money-back guarantee

What's in the Box:

  • One C7-100ct Component tweeter (35" wire attached)
  • Flush mount housing
  • Surface mount housing
  • Metal spring clip for flush mount housing
  • One M4x30mm Machine screw
  • One 7/8" Flat head screw
  • 1 Speed clip
  • 1 Crimp-on 0.187" Male quick slide
  • 1 Crimp-on 0.110" Male quick slide
  • 15 micro Farad capacitor
  • Inspection sheet
  • Specs printed on the box

Featured Video

Great sounding speaker. Strong crystal clear and powerful sound.

David, Montclair, VA

Reviews

JL Audio C7-100ct Reviews

Average Customer Review(s):

(2 Reviews)

JL Audio C7-100ct

Crutchfield customer from Oklahoma City, OK on 8/21/2018

Crutchfield Customer Review (What's this?)

Best loudest clearest tweeter out there hands down !!!!!

Pros: It's all pros

Cons: No cons

Great constructed speaker!

David from Montclair, VA on 3/31/2018

2012 Volkswagen Touareg
Crutchfield Customer Review (What's this?)

Great sounding speaker. Strong crystal clear and powerful sound.

Pros: Solid construction.

Cons: None.

Details

Hands-on research

Features and Specs

General
Speaker Size 1
Design 1-way
Tweeter Design 1" Edge-Driven Dome
Impedance (Ohms) 4
Tweeter Composition Corundum/Aluminum Alloy
Woofer Composition ---
Woofer Surround ---
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Sensitivity (1W at 1 meter) 86.5
Sensitivity at 2.83 volts 89.5
Frequency Response 3000 - 30k Hz
Minimum RMS Wattage 50
Maximum RMS Wattage 100
Peak Power Handling (Watts) 200
Top-mount Depth (Inches) 0 7/8
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 1 7/8

Product Research

Tweeter

Power Handling: JL Audio publishes several power specifications for this speaker, 100 watts continuous power handling (RMS), 200 watts peak music power, and 50-150 watts recommended amplifier power (RMS). We've listed the conservative combination of 50-100 watts RMS in the specs table.

Mounting Options: The tweeters can be surface mounted or flush mounted using the included housings.

Tweeter Dimensions:

  Frame Diameter Cutout Diameter Mounting Height Mounting Depth
Flush Mount 2.125" 1.875" 0.332" 0.85"
Surface Mount 2.16" N/A 1.04" Screw Depth (0.835")

Crossover: In addition to the active crossover JL Audio recommends using, they include a 15µF capacitor. In this case the capacitor acts as a noise filter, and should be used along with an active crossover.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Accessories
Staff Reviews

Product reviews from the Crutchfield Labs

JL Audio presents their flagship C7 component car speakers for use in an active system — perfect for audiophiles building the car audio system of their dreams.

What are the Labs?
Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

to see how good this tweeters works [ Dave  Oct 29, 2018 ]
Awesome product [ Jimmy  Jul 18, 2018 ]
JL Audio quality and reputation for audio products. [ MICHAEL  Mar 05, 2018 ]
Articles