This microphone is a general purpose 1/2" prepolarized pressure microphone for use eg in couplers or at boundaires etc.

We're using this microphone in our Valdemar HATS used for recording, hearing related research etc

Microphone specifications (full specs here):

• Open Circuit sensitivity at 250Hz 50mV / Pa
• Frequency response 3.15Hz to 10kHz +- 2dB
• Prepolarized
• Noisefloor 16dB(A)
• Upper limit 148dB at 3% distortion

Individual calibrationchart for []:

• sno.13646 (mounted in Valdemar "walkaround R aau2150-)
• sno.13651 (mounted in Valdemar "walkaround L aau2150-)
• sno.13647 (mounted in Valdemar "labvalde" L aau2150-01)
• sno.13648 (mounted in Valdemar "labvalde" R aau2150-01)
• sno.19210 (mounted in Valdemar
• sno.19211 (mounted in Valdemar
• sno.73551 (mounted in Valdemar Light R aau2150-)
• sno.60568 (mounted in Valdemar Light L aau2150-)
• sno.60566 (not available - used in Acarix CAD Project)
• sno.73528 (not available - used in Acarix CAD Project)
• sno.73544 (not available - used in Acarix CAD Project)
• sno.78945 (not available - used in Acarix CAD Project)