Atlantic Technology 642eSB

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Original price was: $1,250.00.Current price is: $1,100.00.


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.
* – Satin Black, Gloss Black
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Feature List

350-watt amplifier and 12″ powerhouse driver deliver gut-wrenching bass
Atlantic’s exclusive CFT (Clear Filter Technology) ensures clean, articulate performance
Acoustic suspension design for low distortion sound
Elegant curved side panels convey style and grace
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.

Powered by a high-efficiency 350 watt amplifier, the 642e SB utilizes the latest in amplifier technology, with an output stage capable of extremely high current delivery and maximum efficiency for exceptional driver control and cool thermal operation. As a custom-designed amplifier, it has been precision matched and equalized to the new 12″ driver.

With a useful in-room frequency response of 20Hz to 150Hz, the 642e SB subwoofer is designed to deliver its rated performance under actual listening conditions, when properly placed and adjusted. Additionally, an adjustable (40Hz to 140Hz) 18dB per octave Low Pass crossover with steep upper end roll-off allows for much better bass integration with your main speakers.


Powered subwoofer, sealed enclosure
High efficiency tracking amplifier
2-inch, four layer vented aluminum voice coil, vented motor
Continuous 40–140Hz crossover, 18dB/octave low pass output
Variable low level stereo inputs and low level outputs
Absolute phase invert switch
Auto signal sensing on/off/bypass
Bass Driver 12” long-throw composite cone
Output Power 350W RMS
Distortion (amplifier)
Frequency Response 25Hz – 300Hz ±3 dB
Low Level (line) 20k ohm
Peak Output 107dB SPL into 2000 cubic Feet

Additional information

Weight 73 lbs
Dimensions 32 × 30 × 32 in

Gloss Black, Satin Black


Atlantic Technology

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