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Knowles balanced armature speakers - FK/DFK Series

fk-dfkThe world’s smallest balanced-armature speaker, the FK Series is designed for applications where size is the most important design concern.

    • Two-terminal zero-bias configuration
    • Undamped, screen damped, and internally damped responses
    • Wide range of coil impedances
    • DFK model is a dual FK
 Model Picture Sensitivity @1kHz (dB SPL) Sensitivity @1st Peak (dB SPL) Max SPL @1st Peak (dB SPL) DC Resistance (Ω) Impedance @ 500 Hz (Ω)
FK-23451-000 FK-23451-000 95.5 108.5 118.5 360 450
FK-23466-000 FK-23466-000 95.5 108.5 118.5 360 450
FK-26260-000 FK-26260-000 96 105 115.5 135 180
DFK-30041-000 DFK-30041-000 99.7 105.5 115.5 100 133
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