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)
Multimedia speakers
Your current location:Products >> Speaker >> Multimedia speakers >> View Contents
    Product Name:Multimedia speakers UGF-40008P-7
  • Product Categories:Multimedia 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

UGF-40008P-7

1

Type

Dynamic    Speaker

2

Dimension

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

3

Weight

Approx 13  Grams.

4

Magnet 

Material       

Nd-Fe-B

5

Impedance 

8

±    15%  Ohm   

6

Power    Rating 

 Normal

2.0W

Maximum

2.5W

7

FO

950±20% Hz   

8

 S.P.L.

103±3dB/1.0Watt 0.1Meter.    At1000.1200.1500.2000Hz.

Measurement Method    Shown In Fig(2).

9

Frequency    Range

F0~20,000Hz.Average    SPL-10dB. Frequency    Response Fig(3).

10

Distortion

5%    Maximum  At1000Hz. 1.0W

11

Abnormal    Sound Test

Must be    Normal Tested by

4.0

 Volts.Sine wave for50~5kHz

12

Polarity

Diaphragm    Shall Move Forward When Apply a Positive DC.

Red“+”or“Marked”    Terminal

13

OperatingTemperature

-20°C to +50°C

14

Storage    Temperature

-25°C to +55°C

15

Reliable Test

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

15-1

Load Test

white noise for 96 hours  at     2.0W input power.

15-2

High Temperature Test

+55±2 °C     96hours

15-3

Low Temperature     Test

 -20±2 °C96hours

15-4

Humidity Test

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

15-5

Vibration Test

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

15-6

Temperature Cycle test

75 CM free falling on Concrete floor,    10 times.

15-7

Temperature Cycle test

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


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

01.jpg


17.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: 一级毛片久久久久 | 国产精品4| 亚洲搞逼视频 | 一级毛片免费完整版 | 国产一二三四ts人妖 | 女生裸体视频一区二区三区 | 深夜免费在线观看视频 | 生活片一级片 | 小兔子乖乖日本视频在线观看 | 激情爆乳一区二区三区 | 国产一级黄毛片 | 91一区| 在线一级电影 | 日韩一本在线观看 | 丰满熟女大屁股水多多 | 99视频精品免视看 | 久久综合国产精品 | 97人人人 | 欧美高清www午色夜在线视频 | 亚瑟在线视频 | 一级做a爱片性色毛片 | 黄色大片视频观看性感 | mm131美女视频毛片 | 天天玩天天干 | 精品美女久久 | av美女天堂| 好姑娘三在线观看 | av九九九| 国产精品无码综合区 | 国产午夜性爽视频男人的天堂 | 国产一级黄色av | 中文 日韩 欧美 | 一本一本久久a久久精品综合妖精 | av一区二区三区 | 综合xx网 | 国产无遮挡在线观看免费AV | 伊人网免费在线观看 | 玩弄邻居少妇高潮潮喷的经历 | 播五月开心婷婷欧美综合 | 高清精品| 国产成人8x人网站在线视频 |