Audio Precision B Series Installation Instructions

Characteristic Specifications Supplemental Information
54 APx DIO Module for B Series: Specifications
DIO
Multitone, Wave File Playback
Sample Rate (SR) 8 kS/s to 216 kS/s
Maximum File Size 32 MSample
Flatness (1 kHz ref) Typically <0.001 dB to 0.499*SR
Spurious Content Typically <–140 dBFS
DIGITAL INPUT RELATED:
Formats
Unbalanced SPDIF-EIAJ per IEC 60958, 5 Vpp Input typically 75  or 8.3 k
Balanced AES-EBU per AES3-2003, 10 Vpp Input typically 110  or 2.5 k
Optical Toslink® or equivalent
Sample Rate (SR) Range
Electrical 27 kS/s to 216 kS/s Usable over the extended range of 16
kS/s to 216 kS/s with degraded wave-
form fidelity, accuracy, and jitter
Optical 27 kS/s to 108 kS/s
SR Measurement Accuracy ±0.0003% [±3 ppm]
EMBEDDED INPUT SIGNAL RELATED:
Level (Amplitude) Measurement
Measurement Range < –120 dBFS to +3 dBFS
Accuracy (1 kHz) Typically < 0.001 dB
Flatness
Typically < 0.001 dB
Residual Noise
Typically < –140 dBFS
THD+N Measurement
Fundamental Range 5 Hz to 0.49 • SR or 50 kHz,
whichever is lower
Tuning can be set to track measured fre-
quency, generator setting or fixed
Measurement Range 0 to 100%
Accuracy ±0.5 dB
Residual THD+N
2
Typically < –140 dBFS

Audio Precision B Series Specifications

General

Brand	Audio Precision
Model	B Series
Category	Measuring Instruments
Language	English