Wall-mounted loudspeaker ETH20MD LOUD24

dust-proofwater-resistantIP66

The explosion-proof loudspeakers ETH20MD LOUD 24VDC series have been designed for use in potentially explosive atmospheres in presence of explosive gases and dusts. They have a high degree of protection (IP66) to withstand the harsh off-shore and on-shore plants environmental conditions. They are equipped with a class D audio amplifier powered at 24VDC, to alarm systems and for public address. The chamber of acoustic compression is separated from the outer atmosphere through a special filter of sintering. Possibility to select the sound level according to the real needs of the installation site. (4 power steps are available) Body, cover and horn cone in aluminium alloy. Adjustable galvanized steel bracket. Bolts and screws in stainless steel. Epoxy coating RAL 7000. Selectable power. Class D audio amplifier Working temperature: from -40° to +85° Input signal: 0dB at 600 ohms Input sensitivity: 40mV / 150Kohm Power supply: from 24Vdc to 48Vdc Absorption at maximum power: 0.8A @ 48V - 1.2A @ 24Vdc Piloting: 8ohm loudspeakers Output power: 30W Total harmonic distortion + noise: (f = 1KHz, PO = 20W) 0.2% Signal report / noise: (f = 1Khz, Gain = 20dB) 102dB Power regulation: adjustable by trimmer Power steps: 4 power steps are available, selectable by dip-switch (20/26/32/36dB)