Atlantic Technology 12" Powered Subwoofer- 325-Watt

  
444SB-BLK PWR BOX SUBWOOFER ATLC4403B

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List Price $1,000.00
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ATLC4403B

Description

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.

A perfect melding of high power and modest size
Atlantic subwoofers have a well-deserved reputation for power and impact without sacrificing detail and articulation. Our subs never fall into the "one-note boom" trap that is so common among conventional subs,

One big reason is this: In addition to the normal "compressor-limiter" distortion-reduction methods, Atlantic has developed special circuitry that actually eliminates the deleterious effects that the enclosure itself has on the sound. We call this Clear Filter technology, or CFT. That's why other subwoofers, regardless of their power ratings or their limiters, can't match the sound of an Atlantic subwoofer for detail and musical accuracy.

Feature List

  • Sealed, acoustic-suspension bass-alignment delivers superior transient response and lower distortion
  • High-current amplifiers for outstanding headroom and output
  • Atlantic's exclusive CFT (Clear Filter Technology) ensures clean, articulate performance
  • Convenient front-panel level controls
  • Elegant curved side panels convey style and grace

Model

444 SB

Type/Features

Powered subwoofer, sealed enclosure
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

Bass Driver

12” long-throw composite cone

Output Power

325W RMS

Distortion (amplifier)

<0.5%

Frequency Response

25Hz – 250Hz ±3 dB

Low Level (line)

10k ohms

Peak Output

105dB SPL into 2000 cubic Feet

Dimensions (WxHxD)
including grille

16.5 x 16.9 x 16 in.
418 x 430 x 407mm

Weight

42 lbs/19.1kg

Power Requirements

110-120/220-240V, 50/60Hz



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