QUAD Discover the Features and Specifications of ESL Portable Speakers

ESL 2805 & 2905

Specifications

Model	ESL 2805		ESL 2905
Construction
Format	Floor-Standing Dipole with 3˚ Tilt Back		Floor-Standing Dipole with 3˚ Tilt Back
Type	Full-range Electrostatic		Full-range Electrostatic
Membrane	Ultra Low Mass (0.5g/m2) Tensioned Film		Ultra Low Mass (0.5g/m2) Tensioned Film
Panel Elements	4		6
Time Delay	Progressive Concentric Rings		Progressive Concentric Rings
Chassis Structure	Heavy Duty Composite Aluminium / Steel		Heavy Duty Composite Aluminium / Steel
Acoustic Performance
Maximum Output	2N/m2 at 2m on axis		2N/m2 at 2m on axis
Sensitivity	1.5 mbar per volt referred to 1m.		1.5 mbar per volt referred to 1m.
	(86 dB/2.83V rms equivalent)		(86 dB/2.83V rms equivalent)
Impedance	8 Ohms nominal		8 Ohms nominal
Impedance Variation	4 - 15 Ohms		4 - 20 Ohms
Maximum Input	Continuous input voltage (rms): 10V		Continuous input voltage (rms): 10V
	Programme peak for undistorted output: 40V		Programme peak for undistorted output: 40V
	Permitted peak input: 55V		Permitted peak input: 55V
Frequency Response	37Hz - 21kHz (-6dB)		32Hz - 21kHz (-6dB)
	33Hz - 23kHz (useable)		28Hz - 23kHz (useable)
Distortion (100dB at 1m)	Above 1000Hz	0.15%	Above 1000Hz	0.15%
	Above 100Hz	0.5%	Above 100Hz	0.5%
	Above 50Hz	1.0%	Above 50Hz	1.0%
Electrical
AC Input	220-240V or 110-120V		220-240V or 110-120V
Power Fuse	63mA anti-surge, 200-240V		63mA anti-surge, 200-240V
	100mA anti-surge, 100-120V		100mA anti-surge, 100-120V
General
Power Consumption	6 Watts		6 Watts
Dimensions (HxWxD)	1040mm x 695mm x 385mm		1430mm x 695mm x 385mm
	(add 25 - 55mm for feet)		(add 25 - 55mm for feet)
Weight	Net 34.8kg		Net 41.6kg

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