|
测 试 项 目
Item |
测 试 结 果
Test specification |
测 试 条 件
Test condition | |
|
1 |
标称阻抗
Resistance |
4 Ω |
20℃ At 250 Hz 1V |
|
2 |
直流阻抗
Resistance DC. |
3.4 Ω |
20℃ |
|
3 |
共振频率
Resonant Freq.(FO) |
100 ±15% Hz |
Free air |
|
4 |
频率范围
frequency Rance |
100 ~ 20K Hz |
|
|
5 |
灵敏度
SPL. |
88 ±3dB |
At 1M/1W (Use LMS) |
|
6 |
额定功率
Rated power |
20 WATTS |
|
|
7 |
最大功率
Max. power |
40 WATTS |
|
|
8 |
总品质因数
Qts. |
/// |
Use LMS |
|
9 |
等效容积
Vas. |
/// Liter |
Use LMS |
|
10 |
扫频测试
Sweep test |
Must be normal |
9 V At FO~20K Hz |
|
11 |
鼓纸材质
Material of cone |
纸+橡边 |
|
|
12 |
音圈规格
Diameter of V.C |
ASV 25.5mm |
|
|
13 |
磁钢规格
Diameter of magnet |
70 * 32 * 10 Y25 5.3 OZ |
|
|
14 |
功率测试
Power test |
48 Hours |
额定功率
Rated power |
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