Quad

Quad ESL 2912X Speakers (Pair)

Quad ESL 2912X Speakers (Pair)

$26,495.00

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Product Details

Quad ESL 2912X Electrostatic Floorstanding Speakers at Vinyl Sound Toronto, Canada

The Quad ESL 2912X is a full-range electrostatic floorstanding loudspeaker from Quad (Huntingdon, England, UK), available at Vinyl Sound in Toronto, Canada. Representing the sixth generation of the ESL lineage that Peter Walker launched in 1957, the ESL 2912X is the flagship of the new ESL X Series, built around six electrostatic panel elements, a concentric ring Point Source delay-line array, and an all-new three-module PCB architecture operating at 5,250 volts DC. With a frequency response reaching from 28 Hz to 23 kHz (useable) and distortion below 0.15% above 1 kHz, the ESL 2912X delivers the box-free transparency that has defined the Quad ESL name for nearly seven decades, now refined through six years of engineering under ESL authority Paul McConville.

Frequently Asked Questions

Q: What is the Quad ESL 2912X?
A: The Quad ESL 2912X is a full-range electrostatic floorstanding loudspeaker from Quad (Huntingdon, UK), representing the sixth generation of the ESL lineage that began in 1957. It uses six electrostatic panel elements, a concentric ring Point Source delay-line array, a three-module PCB architecture operating at 5,250 volts DC, and bespoke UK-manufactured audio transformers. Frequency response extends from 28 Hz to 23 kHz (useable), with distortion below 0.15% above 1 kHz at 100 dB SPL. Sold as a pair, the ESL 2912X is the flagship of the ESL X Series and the larger sibling of the four-panel ESL 2812X.

Q: What amplifier does the Quad ESL 2912X need?
A: The ESL 2912X works with a wide range of quality amplifiers but rewards careful matching. Quad specifies a nominal impedance of 8 ohms with variation between 4 and 20 ohms, so the amplifier must be stable into reactive loads. The maximum continuous input is 10V rms. Valve amplifiers with a strong 8-ohm output tap and solid-state amplifiers with good current delivery are both appropriate, while amplifiers with high output impedance or poor stability into complex impedances are not suited. The team at Vinyl Sound Toronto can advise on compatible amplifier pairings.

Q: What is the Point Source concentric ring delay-line design?
A: It is Quad's method of making a large electrostatic panel behave acoustically as if all sound originates from a single point in space. The stators are divided into concentric ring-shaped electrodes, and an internal delay line feeds each successive outer ring with a progressively delayed version of the audio signal, so the wavefront reaching the listener mimics the spherical expansion of sound from a single source. Without this arrangement, a large flat panel radiates from its entire surface at once, causing the apparent source to shift with frequency. The Point Source system was first developed for the Quad ESL-63 and has been refined through every generation since.

Q: How loud can the Quad ESL 2912X play?
A: Quad specifies a maximum output of 2 N/m2 at 2 metres on axis, with a programme peak of 40V for undistorted output and a permitted peak input of 55V. The Control and Protection Module monitors the speaker and mutes the signal instantly on fault detection to prevent panel damage. Contact Vinyl Sound Toronto to discuss whether the ESL 2912X suits your room size and preferred listening levels.

Q: Is the Quad ESL 2912X suitable for large listening rooms?
A: Yes. The ESL 2912X is designed for medium to large listening rooms. Standing 1,470 mm tall with six electrostatic panels, it offers a greater radiating area and deeper bass extension than the four-panel ESL 2812X. As a dipole design, it needs clear space behind each speaker to allow the rear wave to develop, and it is not recommended for small or heavily furnished rooms. The team at Vinyl Sound Toronto can advise on room suitability and placement.

Q: How does the ESL 2912X differ from its predecessor, the ESL 2912?
A: The ESL 2912X keeps the same fundamental architecture with a series of engineering improvements: three independent PCB modules separating high-voltage, control, and audio signal functions; bespoke UK-manufactured audio transformers built to Peter Walker's original specification; refined diaphragm tensioning and coating using laser-precision metrology; a new matt black low-reflection finish without wood trim; and the adjustable LED Halo illumination system. The panel count and electrostatic operating principle remain unchanged from the ESL 2912.

Q: Where can I buy the Quad ESL 2912X in Toronto or Canada?
A: The Quad ESL 2912X is available at Vinyl Sound, an authorised Quad dealer in Toronto, Canada. Contact Vinyl Sound Toronto to arrange a listening session, to discuss amplifier matching and room placement, or to enquire about current availability and lead times.

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Key Tech Specs

6 Panels
Full-Range Electrostatic
28 Hz
Useable Bass Extension
5,250V DC
Diaphragm Charge

The ESL 2912X is the flagship of Quad's sixth-generation ESL X Series, a six-panel, full-range electrostatic speaker with no crossover, no dynamic woofer, and no box.

Image Gallery

In Depth

Electrostatic Panel Technology and Point Source Design

Electrostatic Panel Technology and Point Source Design

At the heart of the ESL 2912X are six electrostatic panels, each built around an ultra-thin Mylar diaphragm coated with a high-resistance conductive material and suspended between two perforated metal stators. With the diaphragm charged to a constant 5,250 volts DC, the entire surface moves uniformly in response to the audio signal, reproducing leading edges with speed and very low intermodulation distortion. The six-panel configuration provides a greater radiating area and deeper bass extension than the four-panel ESL 2812X. Quad's concentric ring Point Source design, first developed for the ESL-63, uses a delay line to create a spherical wavefront for precise, stable stereo imaging.

ESL X Engineering Upgrades: Three-Module PCB and UK-Manufactured Transformers

ESL X Engineering Upgrades: Three-Module PCB and UK-Manufactured Transformers

The ESL X Series replaces a monolithic PCB with three independent, physically segregated modules: a High-Voltage Multiplier Module generating the 5,250-volt charge, a Control and Protection Module with instant muting on fault detection and LED status indicators, and a Low-Voltage Audio Signal Module handling input buffering and gain staging. Separating the high-voltage stage from the audio circuits reduces stray-field noise for a quieter background. Bespoke UK-manufactured audio transformers, built to Peter Walker's original specification, deliver flat response beyond 18 kHz, and laser-precision metrology now guides every stage of panel construction across all six panels.

Stealth Aesthetic and LED Halo Illumination

Stealth Aesthetic and LED Halo Illumination

A new low-reflection matt black finish follows Peter Walker's founding philosophy that the loudspeaker should disappear, leaving only the music. Traditional wood trims are gone in favour of a uniform all-black appearance. The composite aluminium and steel chassis stands 1,470 mm tall with a fixed 3-degree rear tilt that optimises the listening axis, and a removable 10 kg steel ballast block lowers the centre of gravity for stable placement on hard or carpeted floors. An adjustable LED Halo illuminates the speaker from beneath via a rear-panel rotary and can be turned off entirely for a fully stealth presentation.

Vinyl Sound Pro Tips

  • Tighten the rear tensioning rod after the speakers are in position for optimal bass performance.

Technical Specifications

FormatFloorstanding dipole with 3-degree fixed tilt
TypeMultiple electrostatic drive membranes
Panel Elements6
Point Source DesignProgressive concentric ring delay-line system
Chassis StructureHeavy-duty composite aluminium and steel; removable 10 kg (22 lbs) steel ballast block
Diaphragm Charge Voltage5,250V DC (EHT)
Frequency Response32 Hz to 21 kHz (-6 dB) / 28 Hz to 23 kHz (useable)
Sensitivity86 dB / 2.83V rms (1.5 mbar/V referred to 1 m)
Nominal Impedance8 ohms
Impedance Variation4 to 20 ohms
Maximum Output2 N/m2 at 2 m on axis
Maximum Continuous Input (rms)10V
Programme Peak for Undistorted Output40V
Permitted Peak Input55V
Distortion (100 dB at 1 m)Below 0.15% above 1,000 Hz / below 0.5% above 100 Hz / below 1.0% above 50 Hz
ConnectionsSingle-wired binding posts; IEC AC mains inlet; rear-panel LED Halo brightness rotary
AC Input220-240V / 100-120V
Power Fuse100 mA anti-surge (200-240V) / 200 mA anti-surge (100-120V)
Power Consumption8W
FinishLow-reflection matt black with adjustable LED Halo illumination
Dimensions (H x W x D)1,470 x 690 x 380 mm (57.9 x 27.2 x 15.0 in)
Net Weight44 kg (97 lbs) per speaker
Sold AsPair

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