DUMA
China
Experience:2009
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| QTY |
| FOB PRICE |
CIF PRICE
QUANTITY
-
+
PCS
TOTAL COST
$1660
Specification
| Item No. : DQEC-28Y-2,DQEC moving odd,Electric type (moving coil type),Combination paper Basin,Non-paper,Internal magnetic type,No,Digital Electronics,Bluetooth small speaker alarm clock intercom story machine |
| Material : Default |
| Pcs/Carton : N/A | Packing Size/Carton : N/A | Packing Vol/Carton : N/A |
| N.W./Carton : N/A | G.W./Carton : N/A | QTY in 40HQ : N/A |
| QTY in 40GP : N/A | QTY in 20GP : N/A |
Product Introduction
我司主要生产超薄麦拉喇叭、耳机喇叭、多媒体喇叭、腔体喇叭、振动喇叭，所有产品可按 照客户需求定制开发现在咨询客服，马上为您提供一对一的行业专家服务，进行尺寸、参数、材质等数据确认或者电声行业解决方案，以便我们能准确发货，给您提供更好的服务谢谢
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NO. |
Item |
Specification |
Condition |
||
|
1 |
Dim
尺寸 |
Φ28*11Hmm |
|||
|
2 |
Anomia Impedance 标称阻抗 |
4±15% OHM |
At 1.0KHz / 0.89V | ||
|
3 |
Input power
输入功率 |
Rated:3W/ Max：4W |
|
||
|
4 |
ResonanceFrequency
最低共振周波数 |
840±20%Hz |
At 0.89V |
||
|
5 |
S．P．L．
音压位准 |
89±3 dB(0.5W/0.5M) |
At0.8K/1.0K/1.2K/1.5KHz (Average) | ||
|
6 |
Frequencies Range
有效频宽 |
F0~20KHz |
Output S.P.L. -10dB |
||
|
7 |
Distortion
失真 |
5%Max |
At 1.0KHz 0.1W/0.1M | ||
|
8 |
Buzz & Rattle
异常音 |
Not be audible sine wave between at 3.46V /200~5KHz.
(输入3.46V正弦波从F0到5KHz无异常音) |
|||
|
9 |
Polarity
极性 |
Diaphragm shall move forward.
(端子的正极通入电流，振膜振动方向向前)
|
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|
10 |
Load test
连续负荷测试 |
Must be normal after load test:white noise 48 hours.
(白噪声连续 48 小时试验后无异常的不良)
|
|||
|
11 |
High TEMP test
耐热试验 |
After having been in a test chamber for 48 hours at the condition of +60 ℃
20~25%R.H and keep 2 hours.(+60℃ 20~25%R.H，48 小时试验常温 2 小时后，无异常的
不良)
|
|||
|
12 |
Cold TEMP test
耐寒试验 |
After having been in a test chamber for 48 hours at the condition of －25℃±3℃
and keep 2 hours.(－25℃±3℃，48 小时试验常温 2 小时后，无异常的不良)
|
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|
13 |
Humidity test
耐湿试验 |
After having been in a test chamber for 48 hours at the condition of +40 ℃
90~95%R.H and keep 4 hours. （+40℃ 90~95%R.H,48 小时试验常温 4 小时后，无异常的不良）
|
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|
14 |
Drop test
跌落试验 |
The speak shall be dropped 2 times
 as shown the figure, clause 8 shallbe satisfied.
(如右图示 2 次跌落满足异常音试验无异常)
|
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|
15 |
Weld
焊接条件 |
terminal weld: 350℃/≤2~3sec*2bit.（端子焊接不超过 2~3 秒）
|
|||
|
16 |
Store temp
储存温度 |
－25℃ To +60℃ |
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耳机、移动电话、对讲机、无绳电话、笔记本电脑、便携式DVD、电视、GPS导航、楼宇安防、车载多媒体系统、迷你音频、智能音箱、蓝牙音箱、智能家居应用、汽车音响系统、微型投影仪、广告机
公司成立于2017年，座落于美丽的深圳市光明区,一直以来公司主要致力于喇叭(扬声器)、咪头、蜂鸣器等电声器件和电子烟咪头及方案的研发,生产,销售与服务,公司始终秉承品质优良，诚信为本,工厂建立的电声研发实验室及各类研发实验设备,拥有多名电声工程研发师及软硬件团队，已申请获得近20项软件著作及实用新型专利，并顺利通过了IS09001-2015质量管理体系认证，2019年在内地建立分工厂, 2020年在台湾成立办事处。本公司投入全自动化喇叭组装设备共10条,喇叭蜂鸣器生产线12条,喇叭年产量达3000万个、蜂鸣器年产量达3000万个,咪头年产量达5亿颗，产品远销于国内外,主要应用于音箱、耳机、手机、智能家居、电子烟、对讲机、点读笔、学习机、笔记本、TV、导航仪、楼宇安防、车载视听、迷你音响、商务及电竞耳机等电子消费和通讯设备产品，受到广大消费者及客户的好评!
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