Rugged construction to withstand severe environmental conditions High resistance to mechanical shock Available with RFI suppression Undamped, screen damped, and internally damped responses Numerous port locations Custom tube diameters and lengths available Wide range of frequency responses
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 | Active |
|---|---|
| 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] | -33 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 68 |
| AOP [dB] | 117 |
| Connection | 3-Wire |
Rugged construction to withstand severe environmental conditions High resistance to mechanical shock Available with RFI suppression Undamped, screen damped, and internally damped responses Numerous port locations Custom tube diameters and lengths available Wide range of frequency responses
| Product status | Active |
|---|---|
| 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] | -33 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 68 |
| AOP [dB] | 117 |
| 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 | Active |
|---|---|
| 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] | -33 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 68 |
| AOP [dB] | 117 |
| Connection | 3-Wire |
Rugged construction to withstand severe environmental conditions High resistance to mechanical shock Available with RFI suppression Undamped, screen damped, and internally damped responses Numerous port locations Custom tube diameters and lengths available Wide range of frequency responses
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.
