History change record, Speaker, Change items – BeStar BMS40-12-100H5.2 LF User Manual

Page 10: Version no, Approved drawn, Date

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Page:9 of 9

Drawn by:

www.be-star.com [email protected]

Note

4

3

Checked by:

Approved by:

2

1

Speaker

Date:

A

C

D

Change Items

5. History change record

E

F

version
No.

G

A

Before

H

6

5

E

F

Approved

Drawn

After

06/9/8

郭敏

Date

G

4

3

2

1

H

06/9/8

付 静

付 静

程久生

莫丽丽

B

06/11/03

程久生

莫丽丽

BMS40-12-100H5.2 LF

BMS40-12-100H5.2 LF

add reliability test

SPL :85-93 dB,use the
customer test circuit

SPL :93+/-3 dB,8V,0.3m,
750Hz

莫丽丽

C

06/12/08

程久生

莫丽丽

add Chemical resistance

2.3

±0.3

2.1

±0.1

5.2

±0.3

5

±0.2

D

07/03/06

程久生

莫丽丽

DC resistance (20

°C)

100

± 15%Ω

Coil resistance
92.5

± 10% Ω

2.1

±0.1

2.2

±0.2

DRG NO: BS/TES01.644D

朱成兴

D

07/03/06

07/03/06

5.0

±0.2

5.0

±0.3

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