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Help CenterUnidirectional Electret Condenser Microphone
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Unidirectional electret condenser microphone
With the vigorous development of the communications industry, and related technology improved, the whole product on the microphone are increasingly high requirements. Microphone mentioned herein, refers to the electret condenser microphone, commonly known as microphone.
Electret condenser microphone is a sound- electrical conversion device. The Electronic condenser microphone is used in telephones, wireless telephones, mobile phones, ear-telephones, PCs, language-learning recorders, radio recorders, cassette recorders, alarms, voice control toys, voice control switches and so on
1.Specification:
| NO. | Item | Symbol | Unit | Specification | Condition |
| 1 | Directivity |
Omidirectional Unidirectional |
|||
| 2 | Sensitivity | S | dB | -26~-66dB | 0dB=1/pA,1khZ |
| 3 | Frequency | f | Hz | 20~20,000 | |
| 4 | Max. operation voltage | Vs | V | 10 | |
| 5 | Satndard operation voltage | Vs | V | 1.5-3 | |
| 6 | Output impedance | Zout | KΩ | ≤2.2 | f=1KhZ,1pA |
| 7 | Sensitivity reduction | dB | -3 | ||
| 8 | Max. current consumption | mA | ≤0.5 |
||
| 9 | Signal to noise ratio | S/N | dBA | ≥60 | f=1khz, |
| 10 | Size | mm | |||
| 11 | Material | AL | |||
| 12 | Terminal | ||||
| 13 | Operation temp. | °C | -10~+70 | ||
| 14 | Storage temp. | °C | -20~+60 |
Note:When you place an order ,please tell us the parameter .
2.Samples:
3.Product Details:
4.Application of electret condenser microphone :
Microphone used in the Telephone ,Phone ,Headset ,Sound noise meter , Musical instrument,
and so on .
Electret condensr microphone is a component ,so please tell us your finished product .
5. Order flow chart :
- Inquiry ----Please tell us the specification you need.(See above table ).
- Determine the parameters ----- Do or can not do .
- Sample -----If we can do them ,we will send the sample to you .but freight is born by you .
- Sample time ---we will arrange the samples in 1-3 working days.
- Express way ----UPS ,DHL ,FedEx ,EMS and so on ,please tell us the express way you need.
- Receipt of the samples ---When you received the samples ,please tell us the Express attitudes ( Satisfied or dissatisfied ).
- Sample test ----You will test the samplesabout 1 weeks .Test Results --- If the test is successful, we can arrange production orders according to samples . If the test is unsuccessful, please tell us why, for different situations, we do different processing.
6. Courier service :
1. DHL,UPS: Around 3-5 working days to arrive
2. TNT: Around 3-5 working days to arrive
3. EMS: Around 8-12 days to arrive ( If to Russia, then it will be about 30 days)
4. FedEx: Around 4-7 working days to arrive.
7.Payment :
We will send you a Proforma invoice after receiving your formal order to prove it .You will find out all important information and our bank information shown on each invoice.If all information is correct,please issue a wire transfer and send us your bank sheet if you could ,and we will execute orders promptly and ship out the merchandise ASAP once we received your payment .
8.Other product :
1)According to the size :
| Diameter | Height |
| 3.0mm | Different height |
| 4.0mm | Different height |
| 4.5mm | Different height |
| 6.0mm | Different height |
| 8.0mm | Different height |
| 9.4mm | Different height |
| 9.7mm | Different height |
| 14mm | Different height |
| and other diameter | and other height |
2)According to direcivity :
| Omnidirectional | Unidirectional | Noise cancelling |
3)According to the Terminal:
| Solder type | L type | Pin type |
9. Production Photos :
Automated production
10.Certification
11.Oversea market :
We have sold our products many countries: USA ,India ,UK ,Australia ,Brazil and so on
we have special technician team, they are avaible by On-line talk, telephone, email etc . if any question about our microphone, ask them freely. we promise that will help the customer solving the question in 2 working day.
Skype :qinyitec
Tel:+86-0536-5168701
Fax:+86-0536-5168702
Mob:+86-13361538912
Contact :Emily
Send Inquiry to This Supplier
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