10
Omnidirectional Acoustic Microphone Specifications
•
Includes a replaceable water-resistant wind sock
•
Built-in low noise preamplifier
•
High performance weather resistant electret microphone capsule with excellent
sensitivity and low noise floor (-24dB sensitivity with 80dB signal-to-noise ratio)
•
Frequency response of 20Hz 20kHz
Omnidirectional Ultrasonic Microphone Specifications
•
Weather resistant (capsule protected by waterproof membrane). Please refer to
for considerations on using this microphone in rain
•
Low noise floor
•
Built-in low noise preamplifier
•
Improved frequency response when compared to previous generation electret -
based ultrasonic microphones
•
Useable frequency response of 10kHz to 140kHz (response rolls -off beyond this
point)
A note on frequency response
All m
at different frequencies. A microphone may be sensitive at 40kHz, then somewhat less
sensitive at 60kHz, then be very sensitive again around 80kHz. Micro
-
after a certain frequency.
When w
this is the point where the frequency response
has begun to taper off. However, the microphone can still detect higher frequency sounds
(they just need to be louder or closer to the microphone).
POWER REQUIREMENTS
The Chorus is powered by 4 AA batteries. The
Low Power Symbol
will appear at the
top of the dashboard when the battery voltage is low.
The recorder switches itself off
when battery voltage becomes too low. If the battery symbol is
or the status message
reads
Batteries Low
you should change the batteries immediately. All AA batteries must be
Summary of Contents for CHORUS
Page 1: ...CHORUS User Manual Version 1 0 ...
Page 7: ...7 EXTERNAL FEATURES ...