Atlas Sound MLE Series, HLE Series specifications Architect And Engineer Specifications

ARCHITECT AND ENGINEER SPECIFICATIONS

Explosion proof loudspeaker shall be UL Listed for use in specified hazardous locations and/or combustible atmospheres as classified by the National Electric Code.

UL approved compression driver for 60 Watt distributed application shall be Atlas Sound Model HLE-1T or HLE-3T with internally mounted 60-watt transformer Model T-18. Transformer shall have primary impedance taps at 2000, 1000, 500, 250, 125 and 85 with a 45 Ohm tap for 45 Ohm line use only. Corresponding power taps for 70.7V line use shall be 2.5, 5, 10, 20, 40 and 60. Secondary impedance shall be 4, 8 and 16 Ohms. For voice-coil circuit applications, UL Listed 60 Watt Model HLE-1, or HLE-3 with 16 Ohm voice coil shall be specified.

UL approved compression driver for 30-watt distributed application shall be Atlas Sound Model MLE-1T or MLE-3T with internally mounted 30 Watt transformer Model T-20. Transformer shall have primary impedance taps at 2500, 1300, 666, 333, 167, 89 and 45 Ohms.

Corresponding power taps for 70.7V line use shall be 1.8, 3.7, 7.5, 15, and 30. Power taps for 25V line shall be 1.89, 3.7, 7, and 15. Secondary impedance shall be 8 Ohms. For voice-coil circuit applications, UL Listed 30 Watt Model MLE-1, or MLE-3 with 8 Ohm voice coil shall be specified.

Driver and transformer, where applicable, shall be mounted within a heavy, cast aluminum housing. Voice coils shall be field-replaceable. Projector horn shall be a reflex type with polycarbonate re-entrant section. It shall be Atlas Sound Model HLE/MLE-30 for 120˚ x 60˚ sound dispersion or HLE/MLE-32 for 95˚ sound coverage. Driver and horn assembly shall have a frequency response of _______ with sensitivity

of _______(measured at 10 dynes / cm2). Sound pressure level shall

be a minimum of ________(measured at 1W/1M).

Specifications subject to change without notice

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