Thursday, November 8, 2012

Quad ESL 2912 and 2812 Electrostatic Speakers






















£8000

The latest addition to the Quad ESL range is the ESL 2912, replacing the very popular ESL 2905.

The ESL-2912 is the largest of our full-range ESL models. It employs six electrostatic panels, the inner two utilising the concentric rings of anodes used to create the point source image. Whilst all electrodes receive the same music signal, each electrode area reacts slightly differently, such that treble frequencies appear to come from the centre of the speaker. This often leads to the belief that a crossover separates the signals, but this is not the case.

Specification:

Format : Full Range Electrostatic
Membrane : 0.5g/m2 Tensioned film
Panel Elements : 8
Time Delay : Progressive concentric rings
Chassis : Heavy duty composite aluminium / steel
Maximum Power Output : 2 N/m2 at 2m on axis
Sensitivity : 1.5u bar per volt referred to 1m
Impedance : 8 ohms nominal
Impedance variation : 4 - 20 Ohms
Maximum continuous input voltage (RMS) - 20Hz to 20kHz : 10V
Programme peak for undistorted output : 40V
Permitted peak input : 55V
Frequnecy response : 28Hz - 23kHz (usable)
Power Consumption : 6 Watts
Dimensions : 1430mm x 695mm x 385mm (add 25-55 mm for feet/spikes)
Weight : 41.6kg net





































£6500

The ESL-2812 is the smaller of the two models using six panels rather than the 8 of the larger model. The inner two panels of the ESL-2812s construction, again utilise the concentric anode rings for point source imaging, and the outer rings are again linear in their response.

Specification:

Membrane 0.5g/m2 Tensioned film
Panel Elements 4
Time Delay Progressive concentric rings
Chassis Heavy duty composite aluminium / steel
Maximum Power Output 2 N/m2 at 2m on axis
Sensitivity 1.5u bar per volt referred to 1m
Impedance 8 ohms nominal
Maximum continuous input voltage (RMS) - 20Hz to 20kHz 10V
Programme peak for undistorted output 40V
Permitted peak input 55V
Frequnecy response 33Hz - 23kHz (usable)
Power Consumption 6 Watts
Dimensions 1040mm x 695mm x 385mm (add 25-55 mm for feet/spikes)
Weight 34.8kg net

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