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This report consists of 38 numbered pages including this page and shall not be reproduced except in full, without the written 
approval of the testing laboratory. The results are related to the equipment under test only (type-test) 

 

 

 

......................:  114383 

Supervised by (name & signature) ...:  Susan Zhou 

 

Approved by (name & signature)......:  Daria Liu 

 

Date of issue.....................................:  2008-11-09 

 

 

............................:  Nemko AS Shenzhen Rep.office 

Address ............................................:  Rm3010-3011, Block A,United Plaza,No 5022 Binhe 

Testing procedure.............................:  Supervised testing at external laboratory 
Testing location/ address .................:  See page 8 

 

 

............................:  Harman Multimedia 

 

Standards for Emission ....................:  EN 55022:2006 

Standards for Immunity ....................:  EN 55024:1998+A1:2001+A2:2003 
Arrival of EUT ...................................:  2008-10-28 
Test data of EUT  .............................:  2008-10-28 to 2008-10-29 

Test item description .....................:  TWO-PIECE DESKTOP SPEAKER SYSTEM 
Trade Mark .......................................:  JBL 
Manufacturer ....................................:  Harman Multimedia 
Address ...........................................:  8500 Balboa Boulevard, Northridge, CA91329, USA 
Type..................................................:  Duet II 
Serial number ...................................:  N/A 

 

 

 

 

114383 EMC TRF.doc 

page 2 of 38 

 

1

 

Summary Emission............................................................................................... 5

 

1.1 

Standards.................................................................................................................. 5 

1.2 

Results ...................................................................................................................... 5 

2

 

Summary Immunity............................................................................................... 6

 

2.1 

Standards.................................................................................................................. 6 

2.2 

Results ...................................................................................................................... 6 

2.3 

Performance criteria according to product or product family standards ................... 6 

3

 

General information .............................................................................................. 7

 

3.1 

Description of Equipment under test (EUT) .............................................................. 7 

3.2 

Measurement Uncertainly ......................................................................................... 7 

3.3 

Test Mode (TM)......................................................................................................... 7 

3.4 

Climatic conditions .................................................................................................... 7 

3.5 

Testing location ......................................................................................................... 8 

4

 

Measurement of conducted emission ................................................................... 9

 

4.1 

Standards.................................................................................................................. 9 

4.2 

Measurement equipment .......................................................................................... 9 

4.3 

Test set-up ................................................................................................................ 9 

4.4 

Test result ................................................................................................................. 9 

4.5 

Diagrams and tables ............................................................................................... 10 

4.5.1 

Diagram 001............................................................................................................ 10 

4.5.2 

Diagram 002............................................................................................................ 11 

4.5.3 

Table 003 ................................................................................................................ 12 

5

 

Measurement of radiated emission..................................................................... 13

 

5.1 

Standards................................................................................................................ 13 

5.2 

Measurement equipment ........................................................................................ 13 

5.3 

Test set-up .............................................................................................................. 13 

5.4 

Test result ............................................................................................................... 13 

5.5 

Diagrams and tables ............................................................................................... 14 

5.5.1 

Diagram 004............................................................................................................ 14 

6

 

Harmonic current ................................................................................................ 15

 

6.1 

Standard.................................................................................................................. 15 

6.2 

Measurement equipment ........................................................................................ 15 

6.3 

Test set-up .............................................................................................................. 15 

6.4 

Classification of EUT............................................................................................... 15 

 

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6.5 

Test results.............................................................................................................. 16 

6.6 

Table ....................................................................................................................... 16 

6.6.1 

Table  005 ............................................................................................................... 16 

7

 

Voltage fluctuations and flicker ........................................................................... 20

 

7.1 

Standard.................................................................................................................. 20 

7.2 

Measurement equipment ........................................................................................ 20 

7.3 

Test set-up .............................................................................................................. 20 

7.4 

Test results.............................................................................................................. 20 

7.5 

Table ....................................................................................................................... 21 

7.5.1 

Table 006 ................................................................................................................ 21 

8

 

Electrostatic discharge, ESD .............................................................................. 22

 

8.1 

Standard.................................................................................................................. 22 

8.2 

Measurement equipment ........................................................................................ 22 

8.3 

Test set-up .............................................................................................................. 22 

8.4 

Test results.............................................................................................................. 23 

8.5 

Tables...................................................................................................................... 23 

8.5.1 

Table 007 ................................................................................................................ 23 

9

 

Radiated Immunity.............................................................................................. 24

 

9.1 

Standard.................................................................................................................. 24 

9.2 

Measurement equipment ........................................................................................ 24 

9.3 

Test set-up .............................................................................................................. 24 

9.4 

Test results.............................................................................................................. 24 

9.5 

Table ....................................................................................................................... 25 

9.5.1 

Table 008 ................................................................................................................ 25 

10

 

Electrical Fast Transients/Bursts Immunity......................................................... 26

 

10.1 

Standard.................................................................................................................. 26 

10.2 

Measurement equipment ........................................................................................ 26 

10.3 

Test set-up .............................................................................................................. 26 

10.4 

Test results.............................................................................................................. 26 

10.5 

Table ....................................................................................................................... 26 

10.5.1 

Table 009 ................................................................................................................ 26 

11

 

Surge Immunity .................................................................................................. 27

 

11.1 

Standard.................................................................................................................. 27 

11.2 

Measurement equipment ........................................................................................ 27 

11.3 

Test set-up .............................................................................................................. 27 

11.4 

Test results.............................................................................................................. 27 

11.5 

Table ....................................................................................................................... 27 

 

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11.5.1 

Table 010 ................................................................................................................ 27 

12

 

Conducted Immunity........................................................................................... 28

 

12.1 

Standard.................................................................................................................. 28 

12.2 

Measurement equipment ........................................................................................ 28 

12.3 

Test set-up .............................................................................................................. 28 

12.4 

Test results.............................................................................................................. 28 

12.5 

Table ....................................................................................................................... 28 

12.5.1 

Table 011 ................................................................................................................ 28 

13

 

Voltage dips and interruptions Immunity............................................................. 29

 

13.1 

Standard.................................................................................................................. 29 

13.2 

Measurement equipment ........................................................................................ 29 

13.3 

Test set-up .............................................................................................................. 29 

13.4 

Test results.............................................................................................................. 29 

13.5 

Table ....................................................................................................................... 29 

13.5.1 

Table 012 ................................................................................................................ 29 

Annex A .................................................................................................................... 30

 

EUT / technical data........................................................................................................................... 30 

Annex B .................................................................................................................... 35

 

EUT set-up -details- ........................................................................................................................... 35