MARTINLOGAN® ANNOUNCES GROTTO™ -A COMPACT, HIGH -RESOLUTION SUBWOOFER

ADVANCED SUBWOOFER SYSTEM CAPTURES CONSUMER APPEAL WITH HIGH END PERFORMANCE AND HOME-FRIENDLY AESTHETICS

FOR IMMEDIATE RELEASE


Contact: Devin Zell, MartinLogan
785.749.0133
2101 Delaware
Lawrence, KS 66046, U.S.A.
dzell@martinlogan.com
www.martinlogan.com



LAWRENCE, KANSAS, SEPTEMBER 2003 -MartinLogan, the loudspeaker technology company, announces the introduction of the Grotto -a reference, powered, servo -control subwoofer system. Building upon the unprecedented success of MartinLogan's Descent and Depth subwoofers, the Grotto delivers dramatic bass detail and attack using a proprietary low -mass, high -excursion, high -resolution driver, advanced servo monitoring and control, a precision crossover and an intuitive 25Hz level control. The Grotto will surpass all preconceptions of subs in its class.

HIGH -RESOLUTION DRIVER PROVIDES POWERFUL BASS
At the heart of the Grotto subwoofer lays a proprietary MartinLogan, 10 -inch, high -resolution driver identical to those used in the groundbreaking Descent subwoofer. The combination of Grotto's extreme low mass aluminum cone and the tremendous field strength generated by the magnet motor structure results in huge excursions and massive cubic displacement capability.

ADVANCED SERVO MONITORING PROVIDES CONTROL AND LOW -DISTORTION
Grotto's advanced servo monitoring and control system combined with state -of -the -art driver and cabinet technologies dramatically reduce intermodulated and harmonic distortions found in most subwoofers. By constantly monitoring and correcting for any deviation from the original audio signal, MartinLogan's control system yields literally a 3 to10 -fold distortion reduction. This results in highly resolved, tight fisted and dynamic bass.

INTUITIVE CONTROL ARCHITECTURE AND ADVANCED CROSSOVER ALLOW SEAMLESS SYSTEM INTEGRATION
Intuitive control functions allow the Grotto to be easily tuned for any installation. MartinLogan designed the Grotto with a robust input/output architecture that easily integrates in both stereo - and multi -channel audiophile systems. Additionally, RCA output allows multiple Grottos to operate in a serial configuration.

Extreme care has been focused on the group delay (phase) characteristics for each of Grotto's 6 discrete crossover settings (ranging from 30 -80Hz) to deliver precise contouring in both the amplitude and time domain. The result? Seamless and cohesive integration with any system.

25HZ CONTROL ALLOWS INTUITIVE ROOM INTEGRATION
The handy and intuitive 25Hz level control allows easy correction of bass problems common to most rooms. It also permits increased deep bass if you desire a subsonic sense of energy at the lowest frequencies.

VERSATILITY IN APPLICATION
Stylistically optimized for use in stereo - and multi -channel applications, the Grotto excels in all installation configurations including in corners, inside cabinets and underneath or behind furniture. Sonically, the Grotto reproduces sub -bass frequencies with the same exacting accuracy and authority you have come to expect from the MartinLogan line of subwoofer products.


AVAILABLE: Now shipping
US RETAIL: $995/each


SUMMARY OF KEY FEATURES AND BENEFITS

High -Excursion Aluminum Driver -Massive cubic displacement.

Advanced Servo Control -Dramatically reduces distortion.

25 Hz Level Control -Tames your rooms Most problematic frequency.

Low Distortion, Ultra -Fast Amplifier -Provides precision and power in a small package.


SPECIFICATIONS
System Frequency Response: 22 -150 Hz 3 dB. Anechoic through the LFE effects input.

Low Pass Filter Frequencies: 30, 35, 45, 55, 65, 80Hz

High Pass Filter Frequency: 70Hz

Phase: 0, 90, 180

25Hz Level Control: 12dB

Components: 10" (25.4cm) high excursion, aluminum element woofer with extend throw drive assembly

Amplifier: 250 watts (350 watts peak)

Inputs: RCA Line Level; RCA LFE; Speaker Level

Outputs: RCA for Multiple Subwoofer Connection

Weight: 40 lbs. each (18.2 kg)

Size: 15" W 12.9" D 15.38" H (38.1 cm W 32.8 cm D 39 cm H)


MartinLogan, one of the most respected names in audio, is located in Lawrence, Kansas, where 80 employees handcraft the company's ultimate loudspeaker products. The speaker systems, incorporating MartinLogan's patented CLS (curvilinear line source) high -resolution electrostatic technology and advanced thin film transducers, range in price from $995 to $90,000 (US Retail). For more information about MartinLogan visit www.martinlogan.com, or contact Devin Zell at (785) 749 -0133. High -resolution images are available on -line at www.martinlogan.com/mediaresources.

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