Micro Speakers
| Product selection guide | |||||||||
| Model |
Coil
Impedance (R) |
Rated
Power (W) |
Maximum
Power (W) |
Resonance
Frequency fo (Hz) |
Freqency
Range |
Sound
Output (db at 1Khz, 1m,1W) |
Diameter
(mm) |
Height
(mm) |
Internal
Magnet |
| NHSB20A-8 |
8 +/- 15%
|
0.1
|
0.2
|
1000 +/-20%
|
fo ~ 3500
|
72 +/- 3
|
20
|
4
|
Yes
|
| NHSB21A-8* |
8 +/- 15%
|
0.1
|
0.2
|
800 +/- 20%
|
fo ~ 3500
|
70 +/- 3
|
21
|
7.2
|
~
|
| NHSB23A-8 |
8 +/- 15%
|
0.1
|
0.2
|
750 +/- 20%
|
fo ~ 3200
|
75 +/- 3
|
23
|
3.7
|
Yes
|
| NHSB27A-8* |
8 +/- 15%
|
0.1
|
0.2
|
600 +/- 25%
|
fo ~ 3500
|
78 +/- 3
|
27
|
9.3
|
~
|
| NHSB27B-8* |
8 +/- 15%
|
0.1
|
0.2
|
600 +/- 25%
|
fo ~ 3500
|
78 +/- 3
|
27
|
9.3
|
~
|
| NHSB27C-8* |
8 +/- 15%
|
0.1
|
0.2
|
600 +/- 25%
|
fo ~ 3500
|
78 +/- 3
|
27
|
7.0
|
~
|
| NHSB27D-8* |
8 +/- 15%
|
0.1
|
0.2
|
500 +/- 25%
|
fo ~ 2500
|
80 +/- 3
|
27
|
4.8
|
Yes
|
| NHSB27E-8* |
8 +/- 15%
|
0.1
|
0.2
|
600 +/- 20%
|
fo ~ 4000
|
71 +/- 3
|
27
|
7.1
|
Yes
|
| NHSB27F-8 |
8 +/- 15%
|
0.15
|
0.2
|
300 +/- 20%
|
fo ~ 3000
|
68 +/- 3
|
27
|
7.9
|
Yes
|
| NHSB28A-8 |
8 +/- 15%
|
0.1
|
0.2
|
600 +/- 20%
|
fo ~ 3500
|
78 +/- 3
|
28
|
4.5
|
Yes
|
| NHSB28B-8* |
8 +/- 15%
|
0.1
|
0.2
|
600 +/- 20%
|
fo ~ 5000
|
82 +/- 3
|
28
|
4.5
|
Yes
|
| NHSB29A-8* |
8 +/- 15%
|
0.1
|
0.2
|
600 +/- 25%
|
fo ~ 3500
|
78 +/- 3
|
29
|
9.5
|
~
|
| NHSB29B-8* |
8 +/- 15%
|
0.15
|
0.3
|
700 +/- 25%
|
fo ~ 3500
|
82 +/- 3
|
29
|
9.5
|
~
|
| NHSB29C-8* |
8 +/- 15%
|
0.1
|
0.2
|
550 +/- 20%
|
fo ~ 3500
|
80 +/- 3
|
29
|
5
|
Yes
|
| NHSB30A-8 |
8 +/- 15%
|
0.1
|
0.2
|
550 +/- 20%
|
fo ~ 5000
|
80 +/- 3
|
30
|
5.8
|
Yes
|
| NHSB30B-8* |
8 +/- 15%
|
0.1
|
0.15
|
600 +/- 20%
|
fo ~ 5000
|
81 +/- 3
|
30
|
3
|
Yes
|
| NHSB30D-8 |
8 +/- 15%
|
0.1
|
0.15
|
520 +/- 20%
|
fo ~ 4500
|
81 +/- 3
|
30
|
5.3
|
Yes
|
| NHSB36A-8* |
8 +/- 15%
|
0.15
|
0.3
|
500 +/- 25%
|
fo ~ 3200
|
80 +/- 3
|
36
|
8
|
~
|
| NHSB36B-8* |
8 +/- 15%
|
0.15
|
0.3
|
500 +/- 25%
|
fo ~ 3000
|
81 +/- 3
|
36
|
6.5
|
Yes
|
| NHSB36C-8 |
8 +/- 15%
|
0.2
|
0.4
|
500 +/- 25%
|
fo ~ 3500
|
83 +/- 3
|
36
|
4.6
|
Yes
|
| NHSB40A-8* |
8 +/- 15%
|
0.15
|
0.3
|
400 +/- 20%
|
fo ~ 3000
|
82 +/- 3
|
40
|
8
|
~
|
| NHSB40B-8 |
8 +/- 15%
|
0.15
|
0.3
|
450 +/- 20%
|
fo ~ 3500
|
82 +/- 3
|
40
|
6.5
|
Yes
|
| NHSB40C-8* |
8 +/- 15%
|
0.2
|
0.3
|
550 +/- 20%
|
fo ~ 3500
|
82 +/- 3
|
40
|
6.5
|
Yes
|
| NHSB40D-8* |
8 +/- 15%
|
0.15
|
0.3
|
550 +/- 15%
|
fo ~ 2800
|
82 +/- 3
|
40
|
4.5
|
Yes
|
| NHSB50A-8* |
8 +/- 15%
|
0.25
|
0.5
|
360 +/- 15%
|
fo ~ 3000
|
80 +/- 3
|
50
|
9.6
|
~
|
| NHSB50B-8* |
8 +/- 15%
|
0.1
|
0.2
|
500 +/- 20%
|
fo ~ 4000
|
83 +/- 3
|
50
|
7
|
Yes
|
| NHSB50C-8 |
8 +/- 15%
|
0.2
|
0.4
|
350 +/- 20%
|
fo ~ 3500
|
85 +/- 3
|
50
|
7.8
|
Yes
|
| NHSB57A-8* |
8 +/- 15%
|
0.25
|
0.5
|
500 +/- 20%
|
fo ~ 4000
|
85 +/- 3
|
57
|
7.5
|
Yes
|
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|
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