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The JL Audio C1-690 is a 2-way component speaker system with 6x9-inch woofers and 1-inch aluminum dome tweeters. It stands out for its edge-driven tweeter and DMA-optimized motor, features rarely found at this level. It suits listeners upgrading factory speakers who want clear highs and strong midbass without custom fabrication. Compared to rivals, it offers more robust materials and included adapter rings for easier installation, though some may find the tweeter bright.
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Lowest price we've seen: $189.99 on Nov 13 at Amazon. Tracked across 1 store since Nov 13.
Owners praise the C1-690 for its clear highs and solid midbass, often noting it as a significant upgrade over factory speakers. Some mention the tweeter can be bright, and a few find the bass lacking without extra power.
The JL Audio C1-690 is a 2-way component speaker system with a 6 x 9-inch (150 x 230 mm) woofer and a 1.0-inch (25 mm) aluminum dome tweeter. It is designed to fit behind factory grilles. It is sold as a pair, and grilles are not available.
The woofer has a stamped steel 6 x 9-inch oval frame and a DMA-optimized motor system. Its cone is mineral-filled, injection-molded polypropylene with a rubber surround. A flat Conex® spider sits at the top of the voice coil to control motion and prevent impact between the voice coil and the back plate. Tinsel leads are routed and attached to the spider to prevent fatigue and buzzing.
The tweeter is an edge-driven 1-inch aluminum dome with a silk surround suspension, Ferrofluid in the voice coil gap and a neodymium magnet circuit. An in-line, outboard 2nd order high-pass filter with Advanced Tweeter Protection Circuitry is included. Spacer/adaptor rings allow the woofers to be installed in bottom-mount applications. Surface and flush mounts are included with the tweeters.
