Electro-Voice MM2 Submergence Proof Speaker (U.S. Navy Specification)

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Electro-Voice MM2 Submergence Proof Speaker - U.S. Navy Specification (Discontinued)

Description

Details

The Electro-Voice MM2 is a submergence-proof speaker rated at 25 watts, for use in public address or paging applications.

The drivers employ a diaphragm with a phenolic impregnated linen-base and 2.0-inch voice coil, with a “W” shaped Alnico V magnet structure. The MM2 is equipped with a serrated swivel mounting bracket.

The voice-coil/diaphragm assembly is protected by a special anti-fungicide treatment and is easily accessible for cleaning by removal of the die cast reflector on the front of the speaker. The MM2 is self-draining and designed to withstand fungus, dust, salt spray, live steam, and gases. It is built to penetrate high noise levels in boiler rooms, mines, railroads, etc.

Features

Features

25 W paging projector
82° x 82° dispersion pattern
16 ohm impedance
2.0" voice coil, with a "W" shaped Alnico V magnet structure
Integral swivel bracket
Built to penetrate high noise levels in boiler rooms, mines, railroads, etc

Specification

Frequency Response	800-5,000 Hz ±5 dB
Power Handling, 8 Hours, 6 dB Crest Factor	25 watts (500-5,000 Hz pink noise)
Impedance	Nominal: 16 ohms
Sound Pressure Level at 1 Meter, 1 Watt Input Averaged, Pink Noise Band-Limited from 500 to 5,000 Hz	104 dB
Horizontal Beamwidth	82° @ 2 kHz
Vertical Beamwidth	82° @ 2 kHz
Directivity Factor Rθ (Q)	10.25 @ 2 kHz
Usable Low-Frequency Limit	600 Hz
Voice-Coil Diameter	2.0" (5.1 cm)
Magnet Material	Alnico V
Flux Density	1.30 Tesla
Dimensions (D x Diameter)	5.0" (12.8 cm) x 6.0" (15.2 cm)
Magnet Weight	0.42 lb (0.93 kg) with plates
Net Weight	5.3 lbs (2.4 kg)
Shipping Weight	6.0 lbs (2.8 kg)

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