NTi Audio Acoustilyzer AL1 - Manual (Page 9)

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2. Overview
The Acoustilyzer AL1 is a sophisticated
tool used to analyze acoustic signals. It
is designed for easy and quick detailed
analysis of the acoustic environment
and to carry out significant electrical
measurements. An accurate overview
of the actual acoustic signal is displayed
on a large LCD.
The AL1 is a class 1 accuracy instrument
and available with the measurement
microphones MiniSPL (class 2) or
M2010 (class 1 frequency response).
Alternatively, other measurement
microphones can be used.
Class 1 acoustical analyzer
NTi Audio offers the class 1 frequency
response microphone M2010 (an external
phantom power supply is required). The
Acoustilyzer in combination with the
M2010 measurement microphone forms
a highly accurate class 1 acoustical
analyzer.
Class 2 acoustical analyzer
The Acoustilyzer in combination with
the MiniSPL forms a comprehensive
class 2 acoustical analyzer. MiniSPL
is a battery-powered measurement
microphone. It is the ideal accessory for
the Acoustilyzer.