Atlantic Technology 334 SB, 444 SB, 224 SB Clear Filter Technology and Other Features

4 Features

Model 224, 334 and 444 SB Powered Subwoofer

Clear Filter™ Technology and Other Features

Your Atlantic Technology powered subwoofer has been engineered using the latest technology and finest components available. It features:

Exclusive – Atlantic's Clear Filter Technology

Clear Filter Technology™ is an exclusive Atlantic design feature that ensures the cleanest, most articulate bass possible from a subwoofer.

The small cabinet of a powered subwoofer—any subwoofer—has a deleterious effect on the subwoofer’s sound. The dimensions of the cabinet conspire to produce audibly intrusive interference, leading to colored,‘slow,’ and muddy bass response.

Therefore, we have developed Clear Filter Technology ™. Unlike con- ventional “limiters” and “feedback loops,” CFT incorporates special circuitry into the subwoofer amplifier that actually eliminates the negative effects that the enclosure itself has on the sound. 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 accu- racy.This benefit is found in all Atlantic subwoofers,regardless of size, price or configuration.

A long-throw composite cone driver with a vented motor struc- ture and 2” high temperature voice coil

This powerful driver has a very stiff cone that acts like a piston throughout its operating range. Its massive magnetic motor assem- bly and high temperature component parts deliver exceptional per- formance and reliability.

Sealed enclosure design for low distortion and deep 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 subwoof- ers, we have paid close attention to providing accurate musical bass reproduction along with terrific special effects.

High-current amplifiers

The output stage of these amplifiers are capable of very high cur- rent delivery for exceptional driver control and cool operation. They have been precision matched and equalized to our rugged drivers. Together they deliver powerful, controlled bass with great articula- tion and authority.

Two low level inputs, two low level outputs

The outputs allow daisy chaining of multiple subwoofers, or as a return path back to the processor.

A Phase Invert switch (Normal/Invert)

This switch allows precise acoustic matching with satellite speaker systems whose output 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.Be sure to try the Phase switch in both positions when you set up your subwoofer. Even if you’ve simply changed the built-in Low-Pass crossover set- tings it’s a good idea to try the Phase switch in both positions, since the crossover control and the Phase switch acoustically interact with each other. Pay particular attention to the transition of bass from the woofer to the satellites, listening for smooth and well defined bass throughout the range.

Convenient front panel mounted Level Control

Automatic standby operation, LED indicator

Automatic standby features signal sensing turn-on with 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.

An AC cord power input socket

Your subwoofer comes supplied with a heavy-duty detachable power cord.

Designed and built to meet all current US, Canadian and Euro- pean safety requirements

A useful in room working frequency range of 25Hz to 150Hz

Many subwoofers offer specifications that look great on paper, but in real world use deliver less than promised. Atlantic Technology sub- woofers are over-designed to ensure that they will deliver their rated performance in your room, when properly placed and adjusted.

An adjustable (40Hz to 140Hz) @ 18dB per octave Low-Pass crossover

The steep upper end roll-off slope of 18dB per octave allows for much better bass integration with the satellite speakers while making the woofer less localizable.

Note: If you are using a surround Processor/Receiver that includes its own filtered subwoofer output (or a THX Certified Processor/ Receiver), we recommend that you set the crossover control to the Bypass position.