Launched in 1994

Price when discontinued: $1,895 each


At the outset we recognized the center speaker to be the most important component in a home theater system. Our design team started with a clean sheet of paper and began the quest to create a reference standard ESL center speaker for home theater application. This would be one of our most challenging projects.

Frequency Response

75–20,000 Hz ±3dB

High Frequency Transducer

0.55" (1.4 cm) titanium composite dome, ferro fluid cooled voice coil

Mid Frequency Transducer

Two 17" × 9.25" (43.2 cm × 23.5 cm) curved electrostatic panels, vapor deposited polyester film with proprietary insulated stators

Low Frequency Transducer

6.5" (16.5 cm) magnetically shielded in a sealed cabinet


89 dB/2.83 volts/meter


Nominal: 5 Ohms
Minimum: 2.75 Ohms. Compatible with 4, 6, or 8 Ohm rated amplifiers.

Recommended Amplifier Power

20‒0 watts per channel

Crossover Frequency

300 Hz, 3500 Hzm 12dB per Octave


5-way binding posts


62 lbs. (28.1 kg)


11.8" × 40.6" × 9.6"
(30cm × 103.1cm × 24.4cm)

Specifications are subject to change without notice.

Facebook Twitter YouTube Flickr Instagram

©1982-2017 MartinLogan, Ltd. All Rights Reserved.   | Privacy PolicyUnauthorized Dealers WARNING

United States United States