曰韩免费_日本无码蜜桃波多野结衣_成年人网站黄色_最新久久久_一区二区三区回区在观看免费视频_中文字幕永久

Service Hotline

+86-769-82637582
Product Categories
Contact Us
Tel:+86-769-82637582
Fax:+86-769-81088365
Contacts:Mr. Zhang
+86-13827277877
E-mail:
buzzer@www.ndfjb.cn
Address:Huquan Road, Qinghu Village, Qishi Town, Dongguan City (next to Hongda Department Store)
Headphone speakers
Your current location:Products >> Speaker >> Headphone speakers >> View Contents
    Product Name:Headphone speakers UGG-27032CP-1
  • Product Categories:Headphone speakers
  • Ordering Hotline:+86-769-82637582 Online QQ
Detailed

Above    Measuring condition under temperature : 25~35℃ R.H. 25 ~75%.According to standard    GB/T9396-1996

 

Model

UGG-27032CP-1

1

Type

Dynamic    Speaker

2

Dimension

Outline Dimension Shall Be As Shown In    Fig(1).

3

Weight

Approx 5.1     Grams.

4

Magnet 

Material       

Nd-Fe-B

5

Impedance 

32

±    15%  Ohm   

6

Power    Rating 

 Normal

10mW

Maximum

20mW

7

 S.P.L.

115±3dB/1mWatt    0.01Meter. At1000Hz.

Measurement Method    Shown In Fig(2).

8

Frequency    Range

20~20,000Hz.Average    SPL-10dB. Frequency    Response Fig(3).

9

Distortion

5%    Maximum  At1000Hz. 1mW

10

Abnormal    Sound Test

Must be    Normal Tested by

0.57

 Volts.Sine wave for20-2kHz

11

Polarity

Diaphragm    Shall Move Forward When Apply a Positive DC.

Red“+”or“Marked”    Terminal

12

OperatingTemperature

-20°C to +50°C

13

Storage    Temperature

-25°C to +55°C

14

Reliable Test

After any    following test leave speakers at room temperature for 1 hour, SPL shall not    deviate by ± 3 db from    initial value

14-1

Load Test

white noise for 96 hours  at     10mW input power.

14-2

High Temperature Test

+55±2 °C     96hours

14-3

Low Temperature     Test

 -20±2 °C96hours

14-4

Humidity Test

+40±2 °C    relative humidity 90~95%R.H 96hours

14-5

Vibration Test

Frequency 30 ± 15 Hz,    Amplitude 1.5 mm for 2 Hours per axis(x. y. z axis)

14-6

Temperature Cycle test

75 CM free falling on Concrete floor,    10 times.

14-7

Temperature Cycle test

-25°C ~ + 65°C   5 Cycles Temperature test.


15. Drawing(Fig1)   Unit: mm  Tolerance:±0.3mm

01.jpg

16.Frequency Resonance   Fig (3).

02.jpg

    Product:

  • *Contact:
  • *Mobile:
  • Company:
  • E-mail:
  • *Detailed:
  • *Code:
Related Products
Q Q
WeChat

Follow Us

Mobile Station

TOP
主站蜘蛛池模板: 午夜熟女毛片免费网站 | 久久草草亚洲蜜桃臀 | 中文字幕无码AV波多野吉衣 | 中文字幕久久波多野结衣av不卡 | 人妻少妇精品系列 | 蜜桃网站入口在线进入 | 中文字幕一区佐久间英子 | 嗯啊太深了高潮了欧美视频 | av九九| 草逼国产| 毛片免费观看完整版 | 九一在线啪 | 中文一国产一无码一日韩 | 国产在线精品观看 | 天海翼久久久中文字幕乱码 | 色综合色综合色综合 | 一区=区三区乱码 | 无码免费中文字幕视频 | 丰满老女人乱妇dvd在线播放 | 开妇小嫩苞调教HHH嗯啊MTV | 国产欧美日产激情视频 | 久久av导航| 日本免费不卡一区二区 | 亚洲色欧美国产综合 | JIZZXXXX18国产AV| 91免费黄色片 | 一区二区日韩精品 | 国产一区二区麻豆 | 天天射日日日 | 欧美人与动牲交ZOOZ乌克兰 | 欧美人与ZOXXXX乱叫 | 欧美a级suv大全免费看 | 亚洲AV成人WWW永久无码精品 | 精品一区二区三区区别 | 国产精品福利在线观看无码卡一 | 日本熟妇毛茸茸XXXXX | 国产精品多久久久久久情趣酒店 | 搡老女人老91妇女老熟女 | 麻豆九一精品爱看视频在线观看免费 | 九草视频在线观看 | 久久99亚洲AV无码四区 |