Form factors include a miniature design that can be immersed in water to a depth of one meter, and a bellows design for depths to 15 meters. The bellows design may be panel mounted, attached for boom applications and is suitable for outdoor use and repeated submersion.
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] | 4400 |
| Nominal Voltage [V] | 10 |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] | -32 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 94 |
| AOP [dB] | 116 |
| Connection | 3-Wire |
Form factors include a miniature design that can be immersed in water to a depth of one meter, and a bellows design for depths to 15 meters. The bellows design may be panel mounted, attached for boom applications and is suitable for outdoor use and repeated submersion.
| Product status | Preferred |
|---|---|
| Description | EC ST microphone |
| Diameter / length [mm] | 5.56 |
| Width [mm] | 3.99 |
| Thickness [mm] | 2.21 |
| Directivity | Omnidirectional |
| Impedance [Ohm] | 4400 |
| Nominal Voltage [V] | 10 |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] | -32 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 94 |
| AOP [dB] | 116 |
| 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] | 4400 |
| Nominal Voltage [V] | 10 |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] | -32 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 94 |
| AOP [dB] | 116 |
| Connection | 3-Wire |
Form factors include a miniature design that can be immersed in water to a depth of one meter, and a bellows design for depths to 15 meters. The bellows design may be panel mounted, attached for boom applications and is suitable for outdoor use and repeated submersion.
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.
Headquarters
SAS SELTECH
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.
