Audio Precision B Series User Manual

Characteristic Specifications Supplemental Information
APx555 B Series Audio Analyzer: Analog I/O Specifications 33
555
Flatness, 1 kHz ref
5 Hz to 20 kHz ±0.008 dB Typically <0.003 dB
20 kHz to 50 kHz ±0.015 dB
50 kHz to 100 kHz ±0.060 dB
100 kHz to 204 kHz ±0.15 dB
Settling Time Typically <(40 cycles + 200 ms)
Residual THD+N
2,3,4
10 Hz to 20 kHz, 22 kHz BW  (–117 dB + 1.0 µV), V 9.3 Vrms;
 –115 dB, V 9.3 Vrms.
Typically <–120 dB from 1.9-2.3 Vrms,
3.5-4.6 Vrms, and 7.0-9.3 Vrms
10 Hz to 20 kHz, 80 kHz BW  (–111 dB + 2.0 µV)
10 Hz to 50 kHz, 250 kHz BW  (–105 dB + 3.8 µV)
10 Hz to 100 kHz,
500 kHz BW
 (–102 dB + 5.5 µV)
100 kHz to 200 kHz,
1 MHz BW
 (–96 dB + 8.0 µV)
Residual THD only
2,3,4
10 Hz to 30 Hz Typically <–127 dB
30 Hz to 5 kHz Typically <–130 dB
5 kHz to 20 kHz Typically <–122 dB
20 kHz to 50 kHz Typically <–114 dB
50 kHz to 100 kHz Typically <–107 dB
100 kHz to 200 kHz Typically <–98 dB
Trigger Output Pulse Skew Relative to Sine Zero Crossing
5 Hz to 50 Hz Typically >4% to <15% of period
50 Hz to 204.75 kHz Typically >–2% to <4% of period
Dual Sine, Var Phase Sine
Generation Technique
24-bit - DACs, SR = 192 kS/s.
Frequency Range (Fs) 0.001 Hz to 80.1 kHz Setting resolution is typically 45 Hz
[192 kHz / 2
32
] over full range
Frequency Accuracy
5
±0.0003% [3 ppm] Lockable to external reference

Audio Precision B Series Specifications

General

Brand	Audio Precision
Model	B Series
Category	Measuring Instruments
Language	English