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Freedom Series
Acoustical Enclosures

Noise Data & Diagrams


NOISE REDUCTION
Sound Level in db (A)
Decibles "A" Weighted

Frequency

125Hz
250 Hz
500 Hz
1000 Hz
2000 Hz
4000 Hz
8000 Hz

Exterior
Sound

87
87
88
88
88
83
82
Freedom
Acoustical

19
13
28
19
23
23
22
Random Noise (2 Hz to SO kHz) 17

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