Introduced in 1976, the EA is a time-tested electret condenser microphone. It is widely used in more cost sensitive applications.
Knowles is the originator of balanced armature technology which they apply to their receiver, specialty transducers and hearing aid products. Knowles is also a market-leading manufacturer of MEMS microphones, electret microphones, voice processors and acoustical component accessories.
| Product status | Preferred |
|---|---|
| Description | EC ST microphone |
| Diameter / length [mm] | 5,56 |
| Width [mm] | 3.99 |
| Thickness[mm] | 2,21 |
| Directivity | Omnidirectional |
| Impedance [Ohm] | 3500 |
| Nominal Voltage [V] | 10 |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] | -39 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 94 |
| AOP [dB] | 123 |
| Connection | 3-Wire |
Introduced in 1976, the EA is a time-tested electret condenser microphone. It is widely used in more cost sensitive applications.
| Product status | Preferred |
|---|---|
| Description | EC ST microphone |
| Diameter / length [mm] | 5,56 |
| Width [mm] | 3.99 |
| Thickness[mm] | 2,21 |
| Directivity | Omnidirectional |
| Impedance [Ohm] | 3500 |
| Nominal Voltage [V] | 10 |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] | -39 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 94 |
| AOP [dB] | 123 |
| Connection | 3-Wire |
Knowles is the originator of balanced armature technology which they apply to their receiver, specialty transducers and hearing aid products. Knowles is also a market-leading manufacturer of MEMS microphones, electret microphones, voice processors and acoustical component accessories.
| Product status | Preferred |
|---|---|
| Description | EC ST microphone |
| Diameter / length [mm] | 5,56 |
| Width [mm] | 3.99 |
| Thickness[mm] | 2,21 |
| Directivity | Omnidirectional |
| Impedance [Ohm] | 3500 |
| Nominal Voltage [V] | 10 |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] | -39 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 94 |
| AOP [dB] | 123 |
| Connection | 3-Wire |
Introduced in 1976, the EA is a time-tested electret condenser microphone. It is widely used in more cost sensitive applications.
Knowles is the originator of balanced armature technology which they apply to their receiver, specialty transducers and hearing aid products. Knowles is also a market-leading manufacturer of MEMS microphones, electret microphones, voice processors and acoustical component accessories.
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2, Allée des Cerisiers
F – 94042 Créteil FRANCE
Tel EU : +33 1 48 92 90 02
Tel NA : +1 (919) 481 6896
SELTECH is an international solution provider with deep expertise in acoustics and sensors. We offer innovative solutions to our customers’ challenges, from design to production.
