Masterpieces of Sound & Vision

Martin Logan Classic ESL 9 Gloss Black – Demo full 5 year warranty


Classic ESL 9 is your ticket to a life-changing experience with a masterpiece of audio performance. This completely passive design features a 9.2-inch (CLS™) XStat™ electrostatic transducer, dual 8-inch aluminum-Cone woofers, and custom 5-way bi-wire tool-less binding posts.

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Classic ESL 9 Specifications

Specifications are subject to change without notice

Frequency Response 34–23,000 Hz ±3dB
Recommended Amplifier Power 20—400 watts per channel
Horizontal Dispersion 30°
Vertical Dispersion 44″ (112cm) line source
Sensitivity 90 dB/2.83 volts/meter
Impedance 4 Ohms, 0.8 at 20kHz Compatible with 4, 6, or 8 Ohm rated amplifiers.
Crossover Frequency 380Hz
High Frequency Transducer XStat™ CLS™ electrostatic transducer » Panel Dimensions: 44″ x 9.2″ (112 x 23cm) » Radiating Area: 405 in² (2,576 cm² )
Low Frequency Transducer Two 8” (20.3 cm) cast basket, high excursion, rigid aluminium cone woofers with extended throw drive assembly, non-resonance asymmetrical chamber format
Components Custom-wound audio transformer, air core coils, low DCR steel laminate coils, polyester capacitors
Signal Inputs Custom 5-way bi-wire tool-less binding posts
Power Draw Max: 2W per channel Standby: <1W per channel
Weight 78 lbs. (35.4 kg)
Dimensions 59.8″ x 10.4″ x 25.4 ” (152cm x 26.4cm x 64.6cm)


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