Quad 2905 Speakers

Format Floor standing dipole with 3° fixed tilt black
Type Multiple Electrostatic Drive Membranes
Membrane Ultra Low Mass (0.5gm) Tensioned Film
No. of Panel Elements 6
Time Delay Progressive Concentric Rings
Chassis Structure Heavy Duty Composite Aluminium / Steel
Maximum Output 2 N/ at 2m on axis
Sensitivity 1.5 mbar per volt referred to 1m (86dB/2.83V RMS equivalent)
Impedance 8 Ohms nominal
Impedance Variation 4 – 20 Ohms
Maximum Input Continuous input voltage (RMS): 10V
Programme Peak for undistorted output: 40V
Permitted peak input: 55V
Frequency Reponse 37Hz – 21kHz (-6dB)
33Hz – 23kHz (useable)
Directivity Index See Polar Diagrams
Distortion (100dB @ 1M) Above 1000Hz 0.15%
Above 100Hz 0.5%
Above 50Hz 1.0%
Directivity Index See Polar Diagrams
Distortion (100dB @ 1M) Above 1000Hz 0.15%
Above 100Hz 0.5%
Above 50Hz 1.0%
AC Input 220 – 240V or 110-120V
Power Fuse 63 mA anti-surge, 200-240V
100 mA anti-surge, 100-120V
Power Consumption 6w
Dimension (H × W × D) 1430 × 695 × 385 (mm)
(add 25-55mm for feet)
Net Weight 41.6kg each