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Hardware and Software for Investigating
Animal Acoustic Communication
Avisoft Bioacoustics
Kirchstr. 11
13158 Berlin
Germany

tel +49 30 48476986
fax +49 30 48476987
infoavisoft.com

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USG Electret Ultrasound Microphone (Avisoft Bioacoustics / Knowles FG)

part # 40001
Electret Ultrasound Microphone
  • Approximate input-referred self-noise level : 30 dB SPL
  • Power supply : 5V, 14 mA (provided by UltraSoundGate xx16x)
  • Conncetor: male XLR-5 plug
  • Diameter : 19 mm
  • Length : 47 mm
  • Weight : 30 g
The Avisoft Bioacoustics electret ultrasound microphone is a cost-effective model that employs an FG-series electret capsule by Knowles. It is very compact, durable (no need to replace diaphragms) and is also relatively immune against humidity. The moderate sensitivity and relatively poor flatness of the frequency response is still acceptable for many applications.
Frequency response Emkay

frequency response
Polar diagram Emkay

polar diagram

P48 Electret Ultrasound Microphone (Avisoft Bioacoustics / Knowles FG)

for third-party recording equipment that can supply a 48V phantom power
part # 40002
Electret Ultrasound Microphone
  • Approximate input-referred self-noise level : 30 dB SPL
  • Power supply : 48V, 10mA phantom power
  • Conncetor: male XLR-3 plug
  • Diameter : 19 mm
  • Length : 47 mm
  • Weight : 30 g

© 2005 Avisoft Bioacoustics

last modified on 29 June 2009, Raimund Specht