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Knowles ST microphones - EK/EL Series (4.00x5.59x2.28 mm)

EKEK omnidirectional microphones provide a unique combination of size, performance and value. Its high electroacoustic sensitivity and low noise make this microphone an excellent choice for applications where space allows.
These popular microphones are available in many model varieties.

    • High resistance to mechanical shock
    • Available with RFI suppression
    • Various port locations available
    • Wide range of frequency responses
    • High S/N performance

 

 Model Picture Sensitivity @ 1kHz DC Supply (Vdc) Max. Ampli. Current Drain (uA) "A" Weighted Noise *1kHz
**re 1Vrms
Nom. Output Imp. (Ω) Comments
EK-23024-C36 EK-23024-C36 -53.0±2 1.3 nom. 10 max 50 26.0 dB* 4400 RFI Improved Version Standard Response
EK-23024-P07 EK-23024-P07 -53.0±2 1.3 nom. 10 max 50 26.0 dB* 4400 3-Wire, 1 m Shielded Cable Standard Response
EK-23027-C36 EK-23027-C36 -53.0±2 1.3 nom. 10 max 50 26.0 dB* 4400 RFI Improved Version Standard Response
EK-23028-C36 EK-23028-C36 -57.0±3 1.3 nom. 10 max 50 -100.0 dB** 4400 RFI Improved Version 6dB/Octave Ski-Slope
EK-23033-C36 EK-23033-C36 -53.0±2 1.3 nom. 10 max 50 26.0 dB* 4400 RFI Improved Version Broadband Response
EK-23132-000 EK-23132-000 -53.0±2 1.3 nom. 10 max 50 26.0 dB* 4400 Broadband Response
EK-23133-C36 EK-23133-C36 -53.0±2 1.3 nom. 10 max 50 26.0 dB* 4400 RFI Improved Version Broadband Response
EK-23142-C37 EK-23142-C37 -53.0±2 1.3 nom. 10 max 50 26.0 dB* 4400 RFI Improved Version Broadband Response
EL-23078-000 EL-23078-000 -53.0±2 1.3 nom. 10 max 50 -100.0 dB** 4400 Dual Port Uni-Directional
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