Characteristic Specifications Supplemental Information
42 APx517 B Series Acoustic Analyzer: Specifications
Maximum Output Current
316 mApk 100 mW into 2
Typical Output Related
Crosstalk {note 1}
(-50 dB + 1 V) 5 Hz to 20 kHz Crosstalk limited on Headphone Con-
nector Modules with shared ground (1/
4" and 3.5 mm). For best crosstalk per-
formance, Dual BNC Headphone Con-
nector Module is recommended.
Mic Inputs
Number and Types of Inputs
Balanced Microphone 2 each, female XLR, mic power inde-
pendently selectable per channel
Switchable +48 V phantom power
through 6.81 k compliant with IEC
61938:2018
Unbalanced Microphone 2 each, ground sense, mic power
independently selectable per chan-
nel
Switchable 4 mA/10 mA (+24 V CCP)
with TEDS reading capability or DC Bias
0.1 V to 12 V with 7.5 k series resistor
Maximum Rated Input
Balanced 40 Vpk (80 Vpp), differentially
Unbalanced 40 Vpk (80 Vpp) When CC 4 mA and 10 mA mic power is
enabled, signal levels must be below
+30 Vpk, AC+DC.
Input Impedance {Note 4}
Balanced, pin2 or pin 3 to pin 1
ground
100 k || 230 pF
Unbalanced 100 k || 230 pF
Input AC Coupling
Independently selected per channel Time constant 0.20 sec;
-3 dB at 0.8 Hz
Number of Channels
2, independently auto-ranging Max ADC sample rate = 192 kS/s
Input Ranges
354 mVpk to 35.36 Vpk (250 mVrms
to 25 Vrms), 10 dB steps
Maximum ac signal is 25 Vac rms
unbal, 25 Vac rms bal, in the 25V range
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