User manual

135

Audio Analyzer

6. Audio Analyzer

The XL2 offers a comprehensive audio analyzer. Broadband

or wideband measurements are offered by the measurement

functions RMS/THD+N and Oscilloscope.

The following measurement functions offer detailed analysis of

the audio spectrum in Volt, dBu and dBV:

SLMeter/RTA•

FFT•

1/12 Oct+Tol• (optional)

Just change the measurement unit according your require-

ments. See the individual chapters for more details.

If an NTi Audio measurement microphone •

with electronic data sheet is connected,

the XL2 will automatically activate the unit

dBSPL (dB) for sound level measurements.

A decreased THD+N performance will occur •

with unbalanced input signals when using

switching-type power supplies (approx. 3 dB).

Remove such a mains adapter for critical ap-

plications.

RMS / THD+N

The XL2 Audio and Acoustic Analyzer measures the parame-

ters Level RMS, THD+N and frequency simultaneously.