JL Audio C7-350CM: 3.5" 150 W RMS C7-Series Midrange Speaker
JL Audio C7-350CM: 3.5" 150 W RMS C7-Series Midrange Speaker
JL Audio C7-350CM: 3.5" 150 W RMS C7-Series Midrange Speaker
JL Audio C7-350CM: 3.5" 150 W RMS C7-Series Midrange Speaker
JL Audio C7-350CM: 3.5" 150 W RMS C7-Series Midrange Speaker
JL Audio C7-350CM: 3.5" 150 W RMS C7-Series Midrange Speaker
JL Audio C7-350CM: 3.5" 150 W RMS C7-Series Midrange Speaker
JL Audio C7-350CM: 3.5" 150 W RMS C7-Series Midrange Speaker
JL Audio C7-350CM: 3.5" 150 W RMS C7-Series Midrange Speaker
JL Audio C7-350CM: 3.5" 150 W RMS C7-Series Midrange Speaker
JL Audio C7-350CM: 3.5" 150 W RMS C7-Series Midrange Speaker

JL Audio C7-350CM: 3.5" 150 W RMS C7-Series Midrange Speaker

Regular price$869.99
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About the JL Audio C7-350CM: 3.5" 150 W RMS C7-Series Midrange Speaker

3.5" (90 mm) component Midrange, including Grille.  C7-Series is the pinnacle of JL Audio automotive loudspeaker design, benefiting from our most advanced development tools and a complete commitment to precision manufacturing.

The C7-350CM component Midrange is designed to operate in a 3 way system, including 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 Midrange reproduction.  Distortion and non linearities have been minimized through critical optimization of dynamic motor and suspension behaviours.

Passive crossover networks do not include C7-Series drivers, as they are designed for active systems.  Instead, we recommend a high quality tuning DSP, such as the JL Audio TWK 88 / D8, or a VXI amplifier through built in DSP, with a dedicated amplifier channel for each C7-Series loudspeaker in the system.  Precise setup of equalization, delay and crossover filters will ensure optimal in vehicle performance.

Design notes: 

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 behaviour.

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 through 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 (1.4") diameter, overhung voice coil is employed, wound through 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:

Including 48 dB / octave filters: 300 hz - 10 kHz; 24 dB / octave filters: 400 hz - 10 kHz; 12 dB / octave filters: 500 hz - 10 kHz

Built through global components.  Sold individually, through a cast alloy grille tray, 1 fine mesh and spiral steel grille insert.

The performance of every C7-Series driver is tested and verified, then assigned a unique serial number.  Register your C7-Series loudspeaker online to receive a copy of its specific acoustical test report.

General specifications:

  • Continuous power handling (RMS): 100 W
  • Recommended amplifier power (RMS): 50 - 150 W / channel
  • Nominal impedance: 4 Ω
  • Frequency response: 300 hz - 10 kHz ± 3 dB 

Parameters:

  • Voice coil resistance (RE): 3.3 Ω
  • Free air resonance: (FS): 156.9 hz
  • Reference efficiency (NO): 0.3 %
  • Efficiency: 86.5 dB @ 1 W / 1 m, 92.5 dB @ 1 W / 0.5 m
  • Sensitivity: 89.5 dB @ 2.8 V / 1 m
  • Electrical "Q" (QES): 0.6
  • Mechanical "Q" (QMS): 6.5
  • Total Speaker "Q" (QTS): 0.5
  • Equivalent compliance (VAS): 0.0 cubic FT (0.4 L)
  • Moving mass (MMS): 4 g
  • Mechanical compliance (CMS): 0.0 m / N
  • Magnetic strength (BL): 4.7 N / A
  • Effective piston area (SD): 5.3" ² (0.0 m ²)
  • 1 way linear excursion (XMAX): 1 mm 

Midrange physical specifications:

  • Frame outer diameter: 3.5" / 88 mm
  • Bolt hole circle diameter: 3.2" / 80 mm
  • Mounting hole diameter: 2.9" / 73 mm
  • Grille tray outer diameter: 4" / 100 mm
  • Frontal grille protrusion: 0.6" / 15 mm
  • Mounting depth: 1.5" / 37 mm
  • Motor outer diameter: 2.4" / 60 mm

Features: 

  • Single 3.5" mineral filled polypropylene Midrange Speaker
  • C7-Series 6.5" woofer and 1" tweeter are sold separately
  • Crossovers not included
  • For use through an active crossover
  • Power handling: 50 - 150 W RMS
  • Frequency response: 300 - 10,000 hz
  • Impedance: 4 ohms
  • Sensitivity: 89.5 dB at 2.8 V
  • Grille included
  • Top mount depth: 1.5"

What's in the box: 

  • One C7-350CM component Midrange
  • Trim ring
  • Fine mesh and spiral grille
  • Four 1 - 1 / 4" screws
  • 1 crimp on 0.2 and 0.1" female quick slide (16 - 14 gauge)
  • Inspection sheet
  • Specifications printed on the box

Orders are typically processed and Shipped within 1 - 2 business days. Delivery usually takes 7 - 15 business days via Canada post, FedEx, or UPS.

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