Contents
1. Theory of operation.............................................................................................................................3
2. Mechanical Layout and Dimensions....................................................................................................4
2.1. Main Dimensions.........................................................................................................................4
2.2. PWB Layout .................................................................................................................................5
2.3. Spring Force.................................................................................................................................5
2.4. Forces on component..................................................................................................................6
2.5. Part Marking/Labeling.................................................................................................................7
2.6. Material List.................................................................................................................................8
3. Electrical and Acoustical Specifications...............................................................................................9
3.1. Frequency response and TND-Baffle...........................................................................................9
3.2. Frequency Response and THD-3.2HL Coupler...........................................................................10
3.3. Electro-acoustic Parameters .....................................................................................................11
3.4. Power handling..........................................................................................................................12
3.5. Measurement setup..................................................................................................................13
3.6. Measured Parameters...............................................................................................................14
3.7. Measurement adapter ..............................................................................................................15
4. Environmental Conditions.................................................................................................................16
4.1. Storage.......................................................................................................................................16
4.2. Transportation...........................................................................................................................16
4.3. Functionality..............................................................................................................................16
5. Environmental tests ..........................................................................................................................17
5.1. Qualification tests......................................................................................................................17
5.2. Reliability tests ..........................................................................................................................17
5.3. Sample Size, Sequence ..............................................................................................................17
5.4. Period of Shelf-Life ....................................................................................................................17
5.5. Testing Procedures....................................................................................................................17
6. Related Documents ...........................................................................................................................21
7. Change History ..................................................................................................................................22
8. Disclaimer..........................................................................................................................................22
©2011 Knowles Electronics
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Release – Revision: A
KNOWLES [ KNOWLES ELECTRONICS ]
