QUAD ESL-2812 Electrostatic Speakers
Ottawa - 613-731-4434 | Toronto Queen St. - 416-530-9703
The latest version of the highly acclaimed ESL series, the ESL-2812 are a celebration of a classic. Using the signature mylar diaphragm, yet while re-evaluating all circuitry and components, the result is an authentic ESL experience - incredible full range accuracy and startling realism.
As a result there is no inertia inherent in the moving parts of the Quad ESL and the diaphragm is able to respond to musical detail and transients with unparalleled precision. The Quad ESL is one of the few speakers that can reproduce a 1kHz squarewave precisely and cleanly.
To achieve this astonishing feat the Quad ESL uses a system of highly charged stator elements on either side of the diaphragm which is coupled to a power supply that produces the neccessary 5kV of EHT (Extra High Tension) charge that controls the diaphragm.
In the 2812 and 2912, the insulation is created by a triple coating utilizing a specific spraying technique that is perfected to avoid degradation of the EHT charge nder high dynamic conditions, where the diaphragm comes into close contact with the stator. These latest versions of the Quad ESL can thus play louder and handle more power than the previous models.
|Format||Floor standing dipole with 3 degree fixed tilt|
|Type||Multiple Electrostatic Drive Membranes|
|Time Delay||Progressive Concentric Rings|
|Chassis Structure||Heavy Duty Composite Aluminium / Steel|
|Maximum Output||2 N/m² at 2m On Axis|
|Sensitivity||1.5mbar Per Volt Referred To 1m
(86 dB/2.83 V RMS Equivalent)
|Impedance||8 Ohms Nominal|
|Impedance Variation||4-15 Ohms|
|Maximum Input||Continuous Input Voltage (RMS): 10V
Programme Peak For undistorted Output: 40V
Permitted Peak Input: 55V
|Frequency Response||37Hz - 21kHz (-6dB)
33Hz - 23kHz (useable)
|Distortion (100dB at 1m)||Above 1000Hz 0.15%
Above 100Hz 0.5%
Above 50Hz 1.0%
|Dimensions||1006 x 690 x 380mm|