Martin Logan Focus ESL C18

The painters of the Dutch Golden Age produced photo-realistic masterpieces 300 years before cameras were invented. They focused your attention using a bright, otherworldly light. Even in their most intimate portraits, the riveting light draws your eye.
This kind of sensory focus is the key to realism in your home theater, as well. It’s the job of your center channel loudspeaker to anchor action and dialogue to your screen. It must reproduce detailed high frequency information to reinforce imaging, and also blend seamlessly with the other speakers in your surround-sound system to envelope you in a realistic soundstage.
MartinLogan presents a new Masterpiece of home theater realism: the Focus ESL C18 Center Channel Loudspeaker, an electrostatic center channel speaker designed for wall-mounted flexibility.

Specifications
Frequency Response
50–23,000 Hz ±3dB
Horizontal Dispersion
30°
High Frequency Transducer
1" x 1.4" (2.6cm x 3.6cm) Folded Motion Transducer with 5.25" x 1.75" (13.3cm x 4.4cm) diaphragm.
Mid Frequency Transducer
Patented CLS™ XStat™ electrostatic transducer
» Panel Dimensions
7.5" × 18" (19.1 × 45.7cm)
» Radiating Area
135 in2 (873 cm2)
Low Frequency Transducer
Two 6.5" (16.5cm) cast basket, high excursion, rigid aluminum cone with extended throw drive assembly, non-resonance asymmetrical chamber format.
Sensitivity
90 dB/2.83 volts/meter
Impedance
4 Ohms. Compatible with 4, 6, or 8 Ohm rated amplifiers.
Recommended Amplifier Power
20‒300 watts per channel
Crossover Frequency
470, 3000 Hz
Components
Custom-wound audio transformer, air core coils, low DCR steel laminate coils, polyester capacitors
Audio Controls
Position: On-Wall / Off-Wall
Signal Inputs
WBT-0703Cu nextgen™ 5-way binding posts feature a filigree signal conductor made from gold plated, nickel free, non- ferromagnetic, pure copper for high conductivity and fully insulated. Free from eddy current effects.
Weight
50 lbs. (22.7 kg)
Dimensions (Table Mount) (24.4cm × 109.7cm × 23.4cm)
Dimensions (Installed On Wall, Flat Mount) (23.9cm × 109.7cm × 24.5cm)