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0.89 mm

Thickness. Thickness. 0.89 mm. 3.75 mm. 1. 2. 3. d. Plane Wave. Air Cavity. p 2 v 2. p 1 v 1. t. D. 1. 2. Plane Wave. …. n. 0.5 in. 2 in. 4 in. Measurement not valid above 1800 Hz. MPP. s. s. s. d 1. d 2. d 3. d 4. MPP is laid on top of backing. l. a. b. MPP.

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0.89 mm

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  1. Thickness Thickness 0.89 mm 3.75 mm

  2. 1 2 3 d Plane Wave Air Cavity p2 v2 p1 v1 t D

  3. 1 2 Plane Wave … n

  4. 0.5 in. 2 in. 4 in. Measurement not valid above 1800 Hz

  5. MPP s s s d1 d2 d3 d4 MPP is laid on top of backing. l a. b.

  6. MPP MPP MPP is laid on top of backing. l2 d2 d1 l1 S2 S1 c c. a. b.

  7. b a MPP is laid on top of backing. a. b.

  8. a. b.

  9. Source Room 6 in Partitions MPP 12 in 6 in 12 in 72 in 16 in 20 in 72in 12 in Partition Spacings

  10. MPP MPP 2, 4, or 8 inches a. b. c.

  11. MPP (small porosity) Expanded Metal with Large Porosity

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