Martin Logan

Renaissance ESL 15A

A Masterpiece of Design & Engineering

The pièce de résistance is the integration of MartinLogan’s award-winning 15-inch wide Curvilinear Line Source (CLS™) XStat™ electrostatic (ESL) transducer with its robust woofer section, the revolutionary melding of design and engineering.


Frequency Response

22–21,000 Hz ±3dB

Horizontal Dispersion


Vertical Dispersion

46" (116.9cm) line source

High Frequency Transducer

XStat™ CLS™ electrostatic transducer

Panel Dimensions

46" x 15" (117 x 38cm)

Radiating Area

690 in² (4,446 cm² )

Low Frequency Transducer

Two 12” (30.5 cm) PoweredForce Forward™ woofers with cast basket, high excursion, rigid aluminium cone and extended throw drive assembly, non-resonance asymmetrical chamber format.

Room Correction (Bass Section)

Anthem Room Correction (ARC™) ready (Sold Separately)


Woofer: 2 x 500 watts/channel (4 ohms), 2 x 1,000 watts peak


92 dB/2.83 volts/meter


4 Ohms, 0.5 at 20kHz Compatible with 4, 6, or 8 Ohm rated amplifiers.

Recommended Amplifier Power

20—700 watts per channel

Crossover Frequency



Custom-wound audio transformer, air core coils, polypropylene capacitors. 24-bit DSP based preamplifier (used with woofer amplifier).

Audio Controls

Bass: ±10 dB under 75 Hz
Mid-Bass: –2 dB, 0 db, +2 db
Light: On, Dim, Off
ARC™ Room EQ: On, Off


LED intensity control: on, dim, off

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.


AC Power, RJ45 (for ARC), mini USB (for ARC)

Power Draw

Idle: < 0.5W/channel
Max: 900W/channel


140 lbs. (63.5 kg)


69.8" x 15.75" x 28.9 "
(177.3cm x 40cm x 63.3cm)

For more information  visit the manufacturer's website by following the link here - Martin Logan Renaissance ESL 15A