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Brand JL AUDIO
SKU:  C1690TX
(0 Reviews)

JL Audio C1-690tx Coaxial 3-Way Speaker System

Brand JL AUDIO
SKU:  C1690TX
(0 Reviews)

JL Audio C1-690tx Coaxial 3-Way Speaker System

$179.99
Available in Store
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Brand JL AUDIO
SKU:  C1690TX
(0 Reviews)
Available in Store

JL Audio C1-690tx Coaxial 3-Way Speaker System


Overview

About This Product

Description

JL Audio C1-690tx

Coaxial 3-Way Speaker System: 6 x 9-inch (150 x 230 mm) Woofer, 1.0-inch (25 mm) Aluminum Dome Tweeter, 0.75-inch (19 mm) Aluminum Dome Super Tweeter

Overview

C1 speakers deliver real substance and great audio performance in a format designed for easy fit behind factory grilles.

To facilitate fit, spacer adaptor rings are included allowing the C1-690tx to be installed in bottom-mount applications.

C1 woofer drivers benefit from proprietary FEA modeling and JL Audio's expertise in low-frequency driver design. This knowledge is used to create speakers that can play loudly, while maintaining a smooth, dynamic, low distortion sound. At the core of the C1-690tx is a proprietary, stamped, steel 6 x 9-inch (150 x 230 mm) oval frame and a DMA-optimized motor system. A mineral-filled, injection-molded polypropylene cone is suspended with a rubber surround on the front, and a carefully engineered flat Conex® spider at the top of the voice coil, to precisely control motion and prevent impact between the voice coil and the back plate. Tinsel leads are carefully routed and attached to the spider to prevent fatigue and buzzing. These are the same kinds of features and materials normally found on much more expensive loudspeakers.

Equipped with dual true, edge-driven, aluminum dome tweeters, the C1-690tx stands apart from others in its category with superior high-frequency clarity and separation. The design of each tweeter delivers inherently excellent off-axis response and high-frequency extension. Both high-frequency drivers also benefit from the damping of silk surround suspensions and Ferrofluid in the voice coil gaps, along with the superior strength of neodymium magnetics. A true, mixed order filter network is employed to further enhance smoothness and improve power handling.

When it comes to value, C1 is the real deal!

Sold as a pair. Grilles not available.

Specifications

General Specifications

  • Continuous Power Handling (RMS) 60 W
  • Peak Music Power 225 W
  • Recommended Amplifier Power (RMS) 10 - 100 W / Ch.
  • System Efficiency 90.5 dB @ 1 W / 1 m
  • System Nominal Impedance 4 Ω
  • System Frequency Response 36 Hz - 24 KHz ± 3 dB

Coaxial Physical Specifications

Coaxial Physical Specifications

  • Frame Outer Diameter* (A) 6.38 x 9.33 in / 162 x 237 mm
  • Grille Tray Outer Diameter (B) N/A
  • Motor Outer Diameter (C) 3.94 in / 100 mm
  • Frontal Coaxial Tweeter Protrusion** (D) 0.72 in / 18 mm
  • Frontal Grille Protrusion (E) N/A
  • Mounting Hole Diameter (F) N/A
  • Mounting Depth (G) 3.09 in / 79 mm

*Does not take into account mounting tabs
**Frontal coaxial tweeter protrusion measured from mounting surface

Technology

DMA Optimized

Dynamic Motor Analysis - DMA Optimized Motor
Summary:
JL Audio's proprietary Dynamic Motor Analysis system is a powerful suite of FEA-based modeling systems, first developed by JL Audio in 1997 and refined over the years to scientifically address the issue of speaker motor linearity. This leads to vastly reduced distortion and faithfully reproduced transients... or put simply: tight, clean, articulate bass.

Detailed Information:
Since 1997, JL Audio has been at the forefront of Finite Element Analysis-based modeling of loudspeaker motors and suspensions. This research is aimed at decoding what we refer to as the "Loudspeaker Genome"... a project aimed at understanding the true behavior of loudspeakers under power and in motion. A major component of this integrated system is DMA (Dynamic Motor Analysis). Starting with the 15W3 and the W7 Subwoofers in the late 1990's and early 2000's, DMA has played an important role in the design of all JL Audio woofers sold today, including our component woofers.

DMA is a Finite Element Analysis (FEA)-based system, meaning that it takes a large, complex problem, breaks it down into small solution elements for analysis and then assembles the data to form an accurate, "big-picture" solution. DMA's breakthrough is that it actually considers the effects of power through the coil as well as coil/cone position within the framework of a time-domain analysis. This gives us a highly accurate model of a speaker's actual behavior under real power, something that the traditional Thiele-Small models or other low power measurements cannot do. Because DMA does not rely on a steady-state model, it is able to consider shifts in the circuit elements being analyzed. These modeling routines are intense, requiring hours to run for a whole speaker.

DMA is able to analyze the real effects of fluctuating power and excursion upon the magnetic circuit of the motor, specifically the dynamic variations of the "fixed" magnetic field. This delivers intensely valuable information compared to traditional modeling, which assumes that the "fixed" field produced in the air gap by the