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642eSB
642eSB
642eSB
642eSB
642eSB
642eSB

642eSB

$1,375.00

THX Select-certified performance in a beautiful subwoofer

Atlantic subwoofers use the same design approach in all our subs-from low-priced to high-to produce consistently realistic, convincing bass effects. Our subs vary in how loud they'll play and what size room they're most suited to. But our quality doesn't vary. Big room or small, from loud to soft, the sound quality of an Atlantic Technology subwoofer is always top-notch.

    The Atlantic Technology 642e SB THX Select powered subwoofer is a significant upgrade from its highly acclaimed predecessor. Compared to the original 642, we have developed a totally new driver with three times the motor size, a stiffer spider, and a heavier cone. It’s a real “monster” of a driver. While the driver’s free-air resonance remains at 25 Hz, the output of the sub from 35 Hz to 60 Hz-right in the impact range- has been improved by almost 3dB.

    We have modified the equalization (because of the new driver’s improved low-frequency output, less amp power is needed for EQ, and consequently more power is available for SPL), limiting and soft clipping parameters of the amplifier to optimize its performance. The result of these changes is a perceived 50-watt increase. In other words, the amplifier plays louder than before, with less distortion at its limits. The 642e SB features a sealed enclosure design for low distortion and smoother bass output. Sealed enclosure woofer designs are inherently low in distortion, and deliver deep smooth bass response with a gradual and predictable roll-off below resonance. As with all Atlantic Technology subwoofers, close attention has been paid to providing accurate musical bass reproduction along with terrific special effects. Atlantic’s proprietary Clear Filter Technology™ ensures that the bass is detailed and accurate.

    Specifications
    Feature List

    Atlantic Powered Subwoofers 

    All Atlantic powered subwoofers share their essential design approach and philosophy: Heavy-duty woofers in optimally sized enclosures, powered by high-current amplifiers. They all use the sealed “acoustic suspension” bass alignment method which delivers superior transient response for greater clarity and detail, and a more gradual low-frequency rolloff that requires less power-robbing equalization from the on-board amplifier.

    We’ve also developed an exclusive feature called Clear Filter Technology (CFT™) that actually reduces the deleterious effects the enclosure itself can have on the sound. All enclosures have dimensionally-dependent resonances. Those resonances can impart a negative ‘coloration” to the sound. In subwoofers, this negative effect usually occurs in the upper bass range and can make upper bass/lower midrange sounds like male voices or the upper ranges of bass guitar sound unnaturally heavy or ‘thumpy.’ This is true even if your subwoofer is “crossed over” in what you think is the low bass region–lower than 80 Hz or so–because crossovers are not absolute. So even if your subwoofer is crossed over at 80 Hz, it is still producing significant output up to about 180-200 Hz. Atlantic’s Clear Filter introduces a reciprocal correction in the exact frequency region where these problems occur, resulting in a markedly cleaner, more detailed sound. Every one of our subwoofers has its own Clear Filter, optimized specifically for that particular model.

    Our subs utilize an adjustable (40Hz to 140Hz) 18dB per octave Low Pass crossover that allows much better bass integration with the satellite speakers while making the woofer less localizable. Meanwhile, the Phase Invert switch (Normal/Invert) allows precise acoustic matching with satellite speaker systems whose output relative to the subwoofer may be phase reversed. This switch also allows you to compensate for unusual room acoustics that occur when the woofer is physically separated from the main speakers by a significant distance.

    Other features are convenient front panel mounted Level Control and automatic standby operation with a multi-color LED status indicator. The automatic standby feature offers signal sensing turn-on with a 7-10 minute turn-off delay. There’s a multi-color LED status indicator that lets you know when the unit is on or in standby. Automatic Standby can be defeated by placing the rear mounted switch in the ON position. Finally, they are all designed and built to meet all current domestic and European safety requirements, making it one of the most sophisticated subwoofers to be produced anywhere.

    Sticker

    30 DAY MONEY BACK GUARANTEE - SHOP WITH CONFIDENCE!

    If, within 30-days after delivery of your purchase from us, you are not completely satisfied, let us know that you wish to return your product. We will provide you a shipping label, no questions asked.

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