KNOWLES

KNOWLES - GA microphone serie

Dimensions (mm):
2.00 x 2.00 x 4.00
Directivity:
Omni
Features:
Omni electret mic
Key features:
The GA Series Microphone is a brand new microphone design with unique size and shape.Its elongated 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
Excellent sensitivity and noise performance for package
Integral RFI suppression / Exceptionally low vibration sensitivity
Multiple acoustic port placement versions
Reference Sensitivity @ 1kHz (dB re1V/0.1Pa DC Supply (V) Max. Amplifier Current Drain (uA) Typ. “A” Weighted Noise (1 kHz Equivalent SPL) Nominal Output Impedance (Ω) Comments
GA38-30775-000 -53.0±3 1.3 nom. 1.6 max 25.0 25.0 dB 4400.0 Tubeless
GA38-30870-000 -53.0±3 1.3 nom. 1.6 max 25.0 25.0 dB 4400.0 Micro-Tube version