About the JL Audio C1-075ct
Starter speakers like no other
Starter speakers like no other
After an extensive tour of JL Audio HQ, I got the opportunity to talk to their engineering and development team about the current JL Audio lineup and upcoming projects. Given all the work they're doing with premium car audio, I was surprised by how excited they were for customers to hear their workhorse C1 Series — speakers designed for drivers simply looking for a sensible factory speaker replacement, not necessarily an audiophile-grade solution. The reason for that excitement, once I heard it, made perfect sense — every JL Audio speaker must uphold the quality and sound associated with the name. You may be looking for something that's just listenable, but what you'll get with the C1 Series is an audio experience that puts it at the top of its class. And then, just maybe, you'll end up being a JL Audio fan for life.
Take your highs to a new level
These C1 Series C1-075ct 3/4" aluminum dome tweeters stand apart from other component tweeters at this price. Their edge-driven design gives you a smooth response and minimizes distortion. You'll experience crisp detail in the high frequencies and incredible imaging that will make your factory tweeters hide in shame. Included in-line high-pass filters ensure that these tweeters receive the right frequencies, and JL Audio supplies flush- and surface-mount solutions for the perfect installation.
Product highlights:
- Featured in our article: Best car speakers for 2023
- 3/4" aluminum edge-driven dome tweeters (pair)
- flush- and surface-mount hardware included
- in-line high-pass filters
- handles up to 50 watts RMS
- frequency response: 4,000-24,000 Hz
- sensitivity: 92 dB at 2.83 volts
- top-mount depth: 3/8"
- grilles included
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # 99048
What's in the box:
JL Audio C1-075ct owner's manual
- 2 Tweeters (with 6" wires attached)
- 2 Crossovers
- 2 Flush mount housings (tweeters installed)
- 2 Surface mount housings
- 2 Metal spring clips (for flush mounting)
- Four 5/8" Flat head screws
- Two 25mm Stud bolts
- Two 10mm Stud bolts
- 2 M5 Nuts
- Owner's manual
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More details on the JL Audio C1-075ct
Features & specs
| General | ||
|---|---|---|
| Speaker Size | 3/4 | |
| Design | 1-way | |
| Tweeter Design | Edge-Driven Dome | |
| Impedance (Ohms) | 6 | |
| Tweeter Composition | Aluminum | |
| Woofer Composition | --- | |
| Woofer Surround | --- | |
| Parts Warranty | 1 Year | |
| Labor Warranty | 1 Year | |
| Specifications | ||
| Sensitivity (1W at 1 meter) | 91 | |
| Sensitivity at 2.83 volts | 92 | |
| Frequency Response | 4000 - 24k Hz | |
| Minimum RMS Wattage | 20 | |
| Maximum RMS Wattage | 50 | |
| Peak Power Handling (Watts) | 150 | |
| Top-mount Depth (Inches) | 0 7/8 | |
| Bottom-mount Depth (Inches) | N/A | |
| Cutout Diameter or Length (inches) | 1 1/2 | |
| Mounting Height (Inches) | 0.248 | |
Product Research
Features
Tweeters: The 3/4" edge-driven, aluminum dome tweeters are damped by a silk surround suspension. Flush and surface tweeter mounting brackets are included.
Tweeter Dimensions:
| Frame Diameter | Cutout Diameter | Mounting Height | Mounting Depth | |
| Flush Mount | 1.675" | 1.448" | 0.248" | 0.863" |
| Surface Mount | 1.712" | Screw Holes Only | 0.748" | 0.508" (Screw Depth) |
Crossovers: The in-line tweeter crossovers are 2nd order (12 dB/octave slope) and the 30" input and 15" output wires are attached. The input wires are terminated with female quick slides and the output wires are terminated with male quick slides that plug into the terminals on the wires attached to the tweeters. The electronic tweeter protection circuit is designed to minimize the possibility of tweeter failure. It monitors current going to the tweeter and will disconnect the tweeter from the signal when it senses overload. Once the volume has been reduced, the protection circuit will reset itself automatically.
Crossover Dimensions:
- Width: 2" (3" including wire)
- Height: 1"
- Depth: 1-3/8"
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Customer Q&A
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I replaced my factory pioneer pillar tweeters with these. they sound great. Brings the sound to life. Had to modify to make it fit including splicing wires. Well worth it.
Lawrence from Glen Oaks, NY