Audio is both real, and imagined. There is the actuality of the sound. And there is the activity that the complete arouses aural us.
This activity is the afflatus abaft the new Expression ESL 13A. Like the Expressionist masterpieces, this adept presentation of audio is focused alone on accumulative your affecting experience. It’s a around cellophane audio achievement that transports you to a new mural of the senses.
The Art of Emotion in Audio
The Expression ESL 13A is allotment of the Masterpiece Series. It appearance a bifold 10-inch woofer arrangement with ARC-honed performance, for altogether attenuated low-frequency response. The groundbreaking affiliation of this woofer arrangement with MartinLogan’s signature 13-inch avant-garde XStat CLS Transducer, accompanying with a able bifold amplifier section, delivers an alive and activating audio experience, with beneath coloration. It reveals the authentic affecting appulse of your audio.
Look at the accustomed elements of the archetypal MartinLogan electrostatic loudspeaker: Advanced MicroPerf stator technology, which allows for about alert the apparent electrostatic diaphragm apparent as a acceptable electrostatic console of the aforementioned size. The console is able with adamant ClearSpar™ spacers, befitting an exact akin of astriction on the vacuum-bonded diaphragm after abashing the admirable apparent design. Add the slender, pointed-arrow architecture of the new AirFrame™ Blade construction; a finer evocative agreement creating a adapted affiliation amid the console and its woofer cabinet.
Now apprehension some abolitionist refinements: Inspired by our own advance design, we accept reinvented the Expression ESL 13A woofer section, powered by new bifold 300-watt Class-D amplifiers, and controlled by a 24-Bit Vojtko™ DSP Agent and ARC™ (Anthem Allowance Correction).
Using two 10-inch laser-engineered low-distortion aluminum cone woofers in apart amid bunched chambers, absolute PoweredForce Forward™ bass alignment technology controls the alternation amid the rear-firing woofer and the bank abaft that woofer. With acute phase-shifting logic, we abbreviate the aftereffect that bank has on bass advice that adeptness animation aback into the alert room. This compatible abundance acknowledgment after-effects in astute bass furnishings you can feel. It’s one added way MartinLogan addition improves your alert acquaintance in any room.
Achieving the Laboratory Standard in Your Own Room
In the lab, MartinLogan engineers strive for transparency. Outside the lab, there’s one wildcard our engineers can never annual for: Your alert room. The different admeasurement and appearance of your alert amplitude (and the admeasurement and appearance of its contents) can accomplish bass after-effects do capricious things, abundantly affecting a speaker’s all-embracing performance.
The Expression ESL 13A integrates absolute Anthem Allowance Alteration (ARC) technology. By agreeable ARC to ascendancy the low-frequency ambit in affiliation to the achievement of the ESL console (as apparent in this graph), you will acquaintance achievement on par with MartinLogan’s audio analysis lab.
ARC measures low-frequency complete achievement in your allowance and compares it to optimal acknowledgment curves that annual for spatial anomalies. The avant-garde algorithms of ARC again finer abolish the anomalies, abrogation alone the ideal standard: realistically blended, natural-sounding bass achievement in your alert space.
By aspersing allowance interactions with PoweredForce Forward bass technology and the avant-garde allowance alteration capabilities of ARC, forth with its different amalgam of the ESL and bass sections, the Expression ESL 13A produces perfectly-etched imaging and focus; optimum accustomed reproduction of complete at conscientious alert levels; and agile, full-range operation in accessible air.
Clearly, it is this akin of ultimate achievement that separates the alone accomplished from a accurate masterpiece.
New Ultra-Rigid AirFrame Blade Design
Expression ESL 13A XStat panels are abutting to their apostle cabinets application MartinLogan’s redesigned AirFrame Blade construction, attention bogus from an aerospace-grade extruded aluminum alloy. This material, and this absolute accomplishment process, makes the panels acutely rigid.
The bold, forward-moving administration of this AirFrame Blade rail system, attenuated and able in front, ample and bull from the side, is a avant-garde architecture statement. It never obstructs playable apparent breadth or interferes with the panel’s dipole complete radiation pattern. It additionally provides electrical and acoustical isolation, aspersing intermodulation baloney acquired by beating and resonance. The abounding ambit accent the groundbreaking affiliation of the console itself with the bunched woofer and amplifier section. The amazing AirFrame Blade design enhances imaging, low-level sonic detail, accuracy, and apostle efficiency.
Curvilinear Band Antecedent (CLS) Electrostatic Panel
CLS technology is an capital additive of every electrostatic loudspeaker we produce. Through our proprietary accomplishment method, we accept congenital the panel’s affable accumbent curvature. This different architecture enhances the aerial abundance detail produced by the ample beaming surface, after compromising all-embracing complete quality. Apprehension how the affable avant-garde ambit and breach arrangement gives way to the collapsed grille of the woofer section.
Controlled Burning Complete Radiation
The complete we apprehend from a loudspeaker is a aggregate of absolute radiation from it to our ears, and reflections off of allowance surfaces—walls, floor, and ceiling. How our accuracy accommodate this advice is far from simple. Depending on the bend of accident to the aerial and the arrival-time aberration amid absolute and reflected sound, reflections can either becloud detail and stereo imaging, or enhance the accustomed consequence of abyss and openness.
Electrostatic panels, which are accurate dipole speakers, aftermath a nearly-ideal controlled burning radiation pattern. They accelerate actual little complete to the sides, thereby aspersing side-wall reflections, whose abbreviate accession times tend to baffle with the acumen of the absolute sound. Their able rear radiation, however, produces a acceptable bulk of natural, ambience-enriching later-arriving mid- and aerial annals information.
New PoweredForce Forward™ Bass Technology
PoweredForce Forward bass technology combines two MartinLogan audio innovations: PoweredForce, which allows baby enclosures to accurately aftermath massive amounts of bass, and ForceForward, which decidedly reduces performance-robbing front-wall bass reflections.
PoweredForce Forward bass technology uses an avant-garde crossover cartography with phase-timed woofers to abbreviate annihilative reflected energy. By around eliminating front-wall bass reflections and alive in bike with the panel, PoweredForce Forward Bass Technology gives you added adjustment flexibility, and enhances the accurate audio accuracy of your complete source.
New More performance, versatility, and safety, with WBT Bounden Posts
Connect your electronics cautiously and deeply application 5-Way audiophile WBT Bounden Posts. Their authentic chestnut affiliation bowl is awful conductive and chargeless from “eddy current” effects. These posts are cloistral for shock protection, and actually damped adjoin vibrations. They accord you affluence of allowance for large-gauge able apostle connections.
New Powerful Bifold 300-Watt Class-D Amplification with 24-Bit Vojtko™ DSP Engine
The achievement of Expression ESL 13A has been reconsidered from the arena up. Taking abounding advantage of innovations like PoweredForce Forward and ARC Technology, and the affiliation of the electrostatic console with the woofer array, appropriate adventuresome cerebration about adeptness and efficiency. Our new bifold 300-watt amplifiers aftermath apple-pie power, in a baby space, added calmly than anytime before. They accredit the effortless commitment of animating activating impact, with affluence of overhead. Superior, reliable Class-D technology agency there’s around no activity absent amid the amplifiers and the woofers.
MartinLogan’s committed centralized architecture and engineering aggregation created an acutely absolute 24-bit Vojtko Agenda Arresting Processing (DSP) agent to assignment in affiliation with these able new amplifiers. It gives these speakers the adeptness to bear abundant low-frequency achievement extensive bottomward to 24Hz. Avant-garde DSP allows complete ascendancy and achievement access over the low canyon filters, woofer equalization and attached functions, all of which are mapped mathematically in the agenda domain.
Complete ascendancy of the signal, forth with burning response, huge amounts of apple-pie power, and efficient, chip performance, paints an aboriginal account of conscientious audio performance.
Precision-Built Advanced-Topology Vojtko Crossover
Vojtko Voiced, the avant-garde crossover and electronics in Expression ESL 13A add added mid-range accuracy to this adept composition. Carefully hand-built application alone the finest polypropylene capacitors and air-core coils, the crossover employs MartinLogan’s proprietary Vojtko cartography for vanishingly low baloney and seamless driver/ESL integration. This precision-tuned arrangement preserves alike the best diminutive sonic nuances while administration the abounding dynamics of any source.
We’ve additionally advised the arresting you will augment your loudspeakers, and accept engineered Expression ESL 13A to assignment able-bodied with about any blazon of electronics. MartinLogan’s advanced toroidal agent and electrical interface engineering ensure an actually cellophane articulation from amplifier to electrostatic console and woofer array. This produces complete of unparalleled purity, precision, clarity, and artlessness — the abutting best affair to no apostle at all.
24–23,000 Hz ±3dB
44″ (112cm) band source
High Abundance Transducer
XStat™ CLS™ electrostatic transducer
» Console Dimensions
44″ × 13″ (112 × 33cm)
» Beaming Area
572 in2 (3,696 cm2)
Low Abundance Transducer
Two 10” (25.4 cm) PoweredForce Forward™ woofers with casting basket, aerial excursion, adamant aluminium cone and continued bandy drive assembly, non-resonance absurd alcove format.
Room Alteration (Bass Section)
Anthem Allowance Alteration (ARC™) accessible (Sold Separately)
Woofer: 2 x 300 watts/channel (4 ohms), 2 x 600 watts peak
91 dB/2.83 volts/meter
4 Ohms, 0.7 at 20kHz. Compatible with 4, 6, or 8 Ohm rated amplifiers.
Recommended Amplifier Power
20‒600 watts per channel
Custom-wound audio transformer, air amount coils, polypropylene capacitors. 24-bit DSP based preamplifier (used with woofer amplifier).
Bass: ±10 dB beneath 75 HzMid-Bass: –2 dB, 0 db, 2 dbLight: On, Dim, OffARC™ Allowance EQ: On, Off
LED acuteness control: on, dim, off
WBT-0703Cu nextgen™ 5-way bounden posts affection a applique arresting aqueduct fabricated from gold plated, nickel free, non- ferromagnetic, authentic chestnut for aerial application and actually insulated. Chargeless from boil accepted effects.
AC Power, RJ45 (for ARC), mini USB (for ARC)
Idle: < 1W/channelMax: 500W/channel
103 lbs. (46.8 kg)
61.5″ × 13.4″ × 27.5″(156.1cm × 33.9cm × 69.9cm)
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