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MM2F
FEATURE
The MM2F is a 25-watt, submergence-proof, paging projector (U.S. Navy specification) designed for flush-mounting in a bulkhead or wall. The MM2F is ideal for use near water or spray.
TECHNICAL SPECIFICATIONS
|
Details |
Value |
|
Power Handling |
8 hours, Crest Factor 6 dB: 25 watts (Pink noise 500-5,000 Hz). |
|
Magnet Weight |
0.93 kg (2.1 lb) Alnico V with plates. |
|
Frequency Response |
800-5,000 Hz ± 5 dB. |
|
Low-Frequency Limit |
600 Hz. |
|
Impedance |
16 Ohms. |
|
Speaker Coil Diameter |
5.1 cm (2.0 in.). |
|
Sound Pressure Level (SPL) |
104 dB at 1 meter, 1 Watt. (Pink noise from 800-5,000 Hz.) |
|
Horizontal Coverage Angle |
82° @ 2 kHz. |
|
Vertical Coverage Angle |
82° @ 2 kHz. |
|
Directivity Factor |
10.25 @ 2 kHz. |
|
Low-Frequency Amplitude |
.../ 600 Hz. |
|
Transformer |
None. |
|
Voltage Range |
Not applicable. |
|
Crossover Requirements |
None. |
|
Construction |
Durable aluminum alloy housing and transformer box. The diaphragm is made of phenolic fiber impregnated with resin-based linen. All metal parts are anodized aluminum alloy with a baked acrylic paint layer. A cable path is provided at the bottom. |
|
Installation Method |
Surface mount (Bulkhead). |
|
Dimensions |
Height: 25.4 cm (10.0 in.); Width: 16.4 cm (6.4 in.); Depth: 11.3 cm (4.4 in.). |
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