Knowles Electronics, Inc.

Knowles Europe

Knowles Electronics Taiwan, Ltd.

1151 Maplewood Drive

York Road, Burgess Hill

53 Pao Hsing Road

Itasca, Illinois 60143

West Sussex, RH15 9TT, England

Hsin Tien City, Taipei, Taiwan

Phone: (630) 250-5100

Phone: (44) 1444 235432

Republic of China

Fax:

(630) 250-0575

Fax:

(44) 1444 248724

Phone: (886) 2 2911 4931

www.knowles.com

Fax:

(886) 2 2918 6868

Knowles Electronics Japan KK

Micromax Pty. Ltd.

Kyodo Bloom Building

P.O. Box 1238

19-1 Miyasaka 2-Chome

Wollongong N.S.W.

Setagaya-Ku, Tokyo 156-0051, Japan

2500, Australia

Phone: (81) 3 3439 1151

Phone: (61) 2 4226 6777

Fax:

(81) 3 3439 8822

Fax:

(61) 2 4226 6602

NOTE: Specifications are subject to change without notice. The information on this Data Sheet reflects typical applications. Specific test specifications defining

each model are available by requesting Outline Drawing Sheets 1.1 and Performance Specifications Sheets 2.1 of that model number. Knowles’ responsibility is

limited to compliance with the Outline Drawing and the Performance Specification application to the subject model at time of manufacture.

8

Issue 04 - 0801

Knowles Electronics, Inc.

1/3 Octave Equivalent Noise & Output Noise

EK-3024

EK-3024

100

125

160

200

250

315

400

500

630

800 1000 1250 1600 2000 2500 3150 4000 5000 6300 8000 10000

1/3 Octave Bands (Hz)

30

25

20

15

10

5

0

100

125

160

200

250

315

400

500

630

800 1000 1250 1600 2000 2500 3150 4000 5000 6300 8000 10000

1/3 Octave Bands (Hz)

40

20

0

-20