$279.99
Availability: Out Of Stock

1-inch (25 mm) Corundum Ceramic-Coated, Aluminum Dome Component Tweeter


C7 is the pinnacle of JL Audio automotive loudspeaker design, benefiting from our most advanced development tools and a complete commitment to precision manufacturing.

The C7-100ct component tweeter is designed to deliver unparalleled high-frequency performance. Utilizing a corundum ceramic-coated aluminum alloy diaphragm suspended via a treated silk, s-roll surround, it provides spectacularly detailed reproduction of treble frequencies with outstanding off-axis response. Distortion and non-linearities have been minimized through critical optimization of dynamic motor and suspension behaviors.

Passive crossover networks are not included with C7 drivers, as they are designed for active systems. Instead, we recommend a high-quality tuning DSP, such as the JL Audio TwK™ 88 or D8, or a VXi amplifier with built-in DSP, with 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.

C7-100ct Design Notes:
Dome Diaphragm: Corundum ceramic coated aluminum alloy diaphragm exhibits high stiffness, very low mass and excellent environmental stability. It also helps the tweeter dome to hold its shape and operate as a true piston at higher frequencies, without a penalty in moving mass.

Suspension Design: 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: The C7-100ct employs a high-density magnetic circuit with a neodymium magnet and 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: 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 improved control of directivity.

Design Bandwidth:
With 48 dB/octave filters: 3,000 Hz - 30,000 Hz
With 24 dB/octave filters: 4,000 Hz - 30,000 Hz
With 12 dB/octave filters: 5,000 Hz - 30,000 Hz

Sold individually, with flush and surface mounting fixtures and hardware. One 15μF tweeter protection capacitor is also included.

The performance of every C7 driver is tested and verified, then assigned a unique serial number. Register your C7 loudspeaker online to receive a copy of its specific Acoustical Test Report.

This speaker is sold individually and is not sold as a pair.


Continuous Power Handling (RMS) 100 W
Recommended Amplifier Power (RMS) 50 - 150 W / Ch.
Nominal Impedance 4 Ω
Frequency Response 3 kHz - 30 KHz ± 3 dB
Voice Coil Resistance (Re) 3.20 Ω
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
Flush Mount Fixture Diameter (A1) 2.13 in / 54 mm
Surface Mount Fixture Diameter (A2) 2.16 in / 55 mm
Flush Mount Mounting Hole Diameter (B) 1.88 in / 48 mm
Flush Mount Mounting Depth (C) 0.73 in / 19 mm
Flush Mount Tweeter Frontal Protrusion (D1) 0.33 in / 8 mm
Surface Mount Tweeter Frontal Protrusion (D2) 1.06 in / 27 mm
C7-100ct_Dimensions.svg
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Shipping

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FREE: 1-5 Business Days UPS

Expedited Shipping Options: Calculated At Checkout

Large Item Shipping Costs: Calculated At Checkout

We ship most orders the same day if placed before 3pm Eastern time Monday - Thursday. Orders placed after 3pm will ship the next day. Orders placed after 3pm on Friday will be shipped on Saturday, orders placed after 3PM on Saturday will be shipped on Monday. We are glad to announce Saturday shipping – however we do not ship on Sundays. We do not ship on US holidays or whenever our carriers take holidays i.e., USPS, UPS, and FedEx.


Returns - Online Purchases

Purchases made on freemanscarstereo.com are eligible for a return request within 30 days of order delivery. A return authorization number is required for all returns: any return that does not contain a return authorization number will be refused and returned to the sender. Full refunds are only issued for unopened and unused products. 

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Refunds

> Full Refunds

In order to be eligible for a refund, item(s) must be unused, unopened, and in the same condition in which it was received. There is no restocking fee for brand new/unopened/sealed items.

Customers will receive a return confirmation email within 1-2 business days that will confirm receipt of their return and confirm whether or not that return will be eligible for a refund. Approved refunds will be processed automatically via a credit back to the customer’s original payment method. 

> Partial Refunds

Any item that is damaged, has missing parts, or is not in its original condition is subject to a restocking fee of up to 50% of the order total. If the box or seal is opened there is a 20% restocking fee. 

Installed, used, or damaged items may not be eligible for return or, will incur a restocking fee. These situations include but are not limited to the following:

  • Any sign of use - including signs of installation, scratches, physical marking, screw holes, or similar.
  • Tags, stickers, or other manufacturer labels removed or tampered with.
  • Missing parts or the original product packaging is damaged.
  • A product that is returned bearing a serial number that does not match the serial number of the product shipped by Freeman’s Car Stereo.
  • Physical damage from drops, liquid, mishandling or similar.
  • Damage due to improper return packing by customer.
  • Mounted or used subwoofer enclosures and speaker boxes.
  • Blown, punctured or fried speakers, subwoofers, and amplifiers.

 

> Late or Missing Refunds

Refunds can take a week or longer to post to your account depending on your bank. If you haven’t received a refund yet, please contact your credit card company or bank. If your refund has still not been posted within 2 weeks of being issued please contact us via email: esales@freemanscarstereo.com.

 

> Online Gift Returns

If the item was marked as a gift when purchased and shipped directly to the gift recipient, the gift recipient will receive a store credit for the value of the return. Once the returned item is received, a freemanscarstereo.com gift certificate will be mailed.

Warranty Exchanges*

We follow all manufacturer’s policies regarding the processing of warranties. Warranty exchanges or repairs are subject to eligibility periods based on purchase date as well as specific manufacturer policy.

Missing serial numbers, physical damage, or customer abused products will void warranties, repairs, and exchanges. 

Items That Cannot Be Returned

  • - Gift cards
  • - Opened and/or used installation parts will not be accepted for return or refund.