Quad ESL-2912
Loudspeakers
Relative price
well above typical
Among the 26 loudspeakerss in the catalogue, this one is well above typical.
A band places a component against its peers and carries no price. It is deliberately the only price indicator on this page: a second one, measured against a different set, would narrow the two together far enough to give the figure away.
What it is
Flagship Quad ESL — 6 panels (vs ESL-2812's 4) for greater bass extension (32 Hz vs 35 Hz), higher max SPL, and improved dynamic capability. Stereophile review (Lipnick): "the ESL-2912 represents the pinnacle of Quad's achievements." 2024 ESL-2912X variant introduced refined panel construction and increased permitted peak input voltage.
Voicing — same ESL family signature as 2812 (extraordinary midrange transparency; coherent point-source imaging via concentric-ring electrode delay) but with greater dynamic headroom and lower bass extension. Reviewer consensus: distinctive and instantly identifiable as an electrostatic; lateral imaging exceptional, bass authority below 35 Hz still limited compared to dynamic floorstanders. Voicing camp: balanced/reference (extreme), with characteristic dipole panel signature.
PASSIVE design — driven by external power amplifier through internal EHT bias supply and audio-frequency step-up transformer. Best paired with valve amps that flatter the variable impedance load (Quad II Forty, Quad II Eighty natural choices); some solid-state designs (particularly those with high feedback and limited current) sound thin or congested into the ESL load.
What the reviewers said
beautiful midrange, vocals and piano to die for AudioShark forum consensus + Stereophile (Deutsch)· Tonal body
airy, effortless midrange and natural box-less sound Stereophile + Quad heritage· Harmonic texture
almost three-dimensional quality Stereophile (Robert Deutsch review)· Spatial resolution
incredibly neutral, open and transparent Tech Reviews (High End 2024)· Micro-dynamic resolution
32Hz -6dB with two additional bass panels Stereophile measurements (JA)· Bass extension
bass not as tight, fast or robust as Magnepan 20.7 AudioShark forum direct comparison· Physical impact
3.3Ω minimum at 10kHz, very inductive 10-20kHz Stereophile measurements (JA)· Spatial resolution
rather suppressed top two octaves, somewhat mellow Stereophile measurements (JA)· Tonal body
How it scores
Clarity
- Spatial resolution 77 from listening evidence
Voice
- Tonal body 77 from listening evidence
- Harmonic texture 78 from listening evidence
Bass
- Physical impact 66 from listening evidence
- Bass extension 76 from listening evidence
LowerVolume
- Micro-dynamic resolution 78 from listening evidence
Specifications
| speaker type | floor-standing dipole electrostatic |
|---|---|
| enclosure type | open dipole |
| way count | 1 |
| drivers | 6 electrostatic panels (2 mid-treble + 4 bass) |
| sensitivity db | 86.0 |
| nominal impedance ohm | 8.0 |
| minimum impedance ohm | 3.3 |
| recommended amp w | 50/250 |
| frequency response hz | 32/21000 |
| dimensions mm | 700/1090/385 |
| weight kg | 34.0 |
| stand required | False |
| notes |