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JL Audio C7-350cm - 3.5 Inch Component Midrange Speakers

£719.99

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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 JL Audio C7-350cm Component Midrange Speakers are designed to operate in a 3-way system, with a woofer and tweeter. Conceived and purpose-built from the ground up, 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.

Passive crossover networks are not included with C7 drivers, as they are designed for active systems. Instead, we recommend a high-quality tuning 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.

Features

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 excursion.

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.

Design Bandwidth:
With 48 dB/octave filters: 300 Hz - 10 kHz
With 24 dB/octave filters: 400 Hz - 10 kHz
With 12 dB/octave filters: 500 Hz - 10 kHz

Built in USA with Global Components
Sold with a cast-alloy grille tray, one fine mesh steel grille insert and one spiral steel grille insert.

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.

What's in the Box?

  • Two (2) C7-350cm 3.50-inch (190 mm) midrange
  • Two (2) die-cast aluminum grille tray
  • Two (2) fine mesh steel grille
  • Two (2) spiral steel grille
  • Two (2) 4.7 mm female crimpable connector
  • Two (2) 2.8 mm female crimpable connector
  • Two (2) #6 x 1.25-inch (32 mm) sheet metal screws

Technical Specifications

  • Nominal Diameter: 3.5 in. (90 mm)
  • Nominal Impedance (Znom): 4 ohms
  • Continuous Power Handling: 100W
  • Recommended Amplifier Power: 50-150W (RMS)
  • Net Weight: 0.71 lbs. (0.32 kg)
  • Driver Rear Displacement: 0.0024 cu.ft. (0.068 liters)
  • Min. Recommended Sealed Enclosure: 0.014 cu.ft. (0.4 liters)
  • Voice Coil Resistance (Re): 3.245 ohms
  • Free Air Resonance (Fs): 156 .9 Hz
  • Reference Efficiency (no): 0.270%
  • Efficiency: 86.5 dB @ 1W/1m | 92.5 dB @ 1W/0. 5m
  • Sensitivity: 89.5 dB @ 2. 83V/1m
  • Electrical “Q” (Qes): 0.590
  • Mechanical “Q” (Qms): 6.454
  • Total Speaker “Q” (Qts): 0. 541
  • Equivalent Compliance (Vas): 0.015 cu.ft. (0.430 liters)
  • Moving Mass (Mms): 4.009 g
  • Mechanical Compliance (Cms): 0.000257 m/N
  • Magnetic Strength (BL): 4.66 N/A
  • Effective Piston Area (Sd): 5.31sq.in. (0.003426 sq. m)
  • One-Way Linear Excursion (Xmax): 1 mm

Further Information

JL Audio C7-350cm - 3.5 Inch Component Midrange Speakers - User Manual

The products we use and sell are of the highest quality and we trust them wholeheartedly, but every now and again a product has a fault that is covered under the manufacturers warranty.

In the event of such an occurance please contact us via email at info@studioincar.co.uk to proceed with the warranty process.

Below is a list of all the Manufacturers warranty timeframes with any special instructions for extended warranties:

AudioControl

  • 5 Years with Installation by an Authorised Installer (Studio Incar is an Authorised Installer)
  • 1 Year if you are doing your own Installation
  • 2 Years if you register the product with the UK supplier

AudioLab

  • 2 Years standard Manufacturers warranty

Audison

  • 1 Year standard Manufacturers warranty
  • 2 Years if you register the product with the UK supplier

Blackvue

  • 6 Months standard Manufacturers warranty

Blaupunkt

  • 1 Year standard Manufacturers warranty

Chord Company

  • Lifetime Warranty

Dynaudio

  • 2 Years on Car Audio Products - No Extendable Warranty
  • 2 Years standard Warranty on Home Audio Products
  • up to 8 Years Extendable Warranty on Home Audio Products when you register at Dynaudio

Focal

  • 1 Year Standard Manufacturers Warranty
  • 2 Years Extended Warranty when registered with Focal

Hegel

  • 2 Years Standard Manufacturers Warranty

Hertz

  • 1 Year standard Manufacturers warranty
  • 2 Years if you register the product with the UK supplier

HiFi Rose

  • 2 Years Standard Manufacturers Warranty

JL Audio

  • 1 Year for Speakers and Subwoofers
  • 2 Years for Amplifiers and Processors

Peachtree Audio

  • 2 Years Standard Manufacturers Warranty
  • 3 Years Extended Warranty if Registered with Peachtree

Pro-Ject

  • 2 Years Standard Manufacturers Warranty
  • 3 Years Extended Warranty if Registered with Pro-Ject

Q-Acoustics

  • 4 Years for Passive Loudspeakers
  • 1 Year for Active Loudspeakers / Subwoofers
  • 5 Years for Passive Loudspeakers if Registers with Q Acoustics
  • 2 Years for Active Loudspeakers / Subwoofers if Registered with Q Acoustics

SolidSteel

  • 1 Year Standard Manufacturer Warranty

Sony

  • 1 Year Standard Manufacturer Warranty

Wharfedale

  • 2 Years Standard Manufacturers Warranty
Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday
January,February,March,April,May,June,July,August,September,October,November,December
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