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Knowles ST microphones - GA Series (2.00x2.00x4.00 mm)

GAThe GA Series Microphone is a brand new microphone design with unique size and shape.
Its elongated 2mm x 2mm x 4mm dimensions are ideal for directional applications, allowing you ultimate flexibility in terminal pad area placement.
And the GA is using the new '38' circuit providing excellent sensitivity and noise performance for package size.

The GA targets space efficiency in BTE and ITE designs; BTE: End-to-end configuration provides 8mm spacing for directionality while ITE: 20% smaller cross sectional area than FG Series.

    • Compact size providing superior fit rates (2mm x 2mm x 4mm)
    • Excellent sensitivity and noise performance for package
    • Integral RFI suppression
    • Exceptionally low vibration sensitivity
    • Multiple acoustic port placement versions

 

 Model Picture Sensitivity @ 1kHz DC Supply (Vdc) Max. Ampli. Current Drain (uA) "A" Weighted Noise *1kHz
**re 1Vrms
Nom. Output Imp. (Ω) Comments
GA38-30774-000 GA38-30774-000 -53.0±3 1.3 nom. 1.6 max 25 24.0 dB 4400 Tubeless, Port on Bottom, Terminal Pads on Cover
GA38-30775-000 GA38-30775-000 -53.0±3 1.3 nom. 1.6 max 25 25.0 dB 4400 Tubeless, Port on Bottom, Terminal Pads on Cover
GA38-30776-000 GA38-30776-000 -53.0±3 1.3 nom. 1.6 max 25 25.0 dB 4400 Tube Version (0.8mm x 0.74mm ID), Terminall Pads on End
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