Audio Precision B Series User manual
APx555
B Series audio analyzer
Installation Instructions
and Specifications
October, 2021
B Series APx555
Copyright © 2006–2021 Audio Precision, Inc.
All rights reserved.
Printed in the United States of America.
No part of this manual may be reproduced or transmitted in any form or by any means,
electronic or mechanical, including photocopying, recording, or by any information stor-
age and retrieval system, without permission in writing from the publisher.
Audio Precision, AP, and APx are trademarks of Audio Precision, Inc. Windows™ is a
trademark of Microsoft Corporation. Dolby © Digital is a trademark of Dolby Laborato-
ries. DTS © Digital Surround is trademark of DTS, Inc.
The Bluetooth® word mark and logos are registered trademarks owned by the Blue-
tooth SIG, Inc. and any use of such marks by Audio Precision is under license. Other
trademarks and trade names are those of their respective owners.
MPEG-4 AAC-LC audio technology is licensed by Fraunhofer IIS (https://www.iis.fraun-
hofer.de/de/ff/amm.html).
Qualcomm® aptX™, aptX™ HD, and aptX™ Low Latency audio codecs are products
of Qualcomm Technologies International, Ltd.
Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States
and other countries, used with permission. aptX is a trademark of Qualcomm Technol-
ogies International, Ltd., registered in the United States and other countries, used with
permission.
pn 8211.0367 rev 004 XXI1001031356
Audio Precision
5750 SW Arctic Drive
Beaverton, Oregon 97005
503-627-0832
800-231-7350
ap.com
Documentation and Support
This booklet contains safety information, installation instructions and full specifications
for the Audio Precision APx555 audio analyzer.
The APx500 User’s Manual
Detailed information on the operation of the APx555 is available from the embedded Help
installed with the APx500 measurement software, and in the APx500 User’s Manual, included
with the analyzer. The user’s manual is also available as a PDF on the APx500 Application
Disc and on the Web at ap.com; additional copies can be ordered from Audio Precision or
your local distributor.
ap.com
Visit the Audio Precision Web site at ap.com for APx support information. APx resources
are available at ap.com. You can also contact our Technical Support staff at
free in the U.S.A.).
APx555 B Series Acoustic Audio Analyzer: Table of Contents
Table of Contents
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Sécurité . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Seguridad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Installation (Fr). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Instalación (Sp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Abbreviations, Terms and Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
APx555 B Series audio analyzer analog I/O specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
ADIO Advanced Digital Input/Output module specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
DSIO digital serial input/output module specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
HDMI+ARC input/output module specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Bluetooth input/output module specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
PDM 16 input module specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
PDM input/output module specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
AMC Advanced Master Clock Rear Panel Sync, Trigger and Ref I/O specifications . . . . . . . . . . . . . . . . . . . . . . . . . 89
General and Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
APx555 B Series Acoustic Audio Analyzer: Table of Contents
APx555 B Series Audio Analyzer: Safety 7
Safety
Safety Information
Do NOT service or repair this equipment unless properly
qualified. Servicing should be performed only by a quali-
fied technician or an authorized Audio Precision distributor.
Do NOT defeat the safety ground connection. This equip-
ment is designed to operate only with an approved three-
conductor power cord and safety grounding. Loss of the
protective grounding connection can result in electrical
shock hazard from the accessible conductive surfaces of this
equipment.
Do NOT exceed mains voltage ratings. This equipment is
designed to operate only from a 50–60 Hz ac mains power
source at 95–264 Vac nominal voltage.
For continued fire hazard protection, fuses should be
replaced ONLY with the exact value and type indicated on
the rear panel of the instrument and discussed on page 20 of
this manual.
The International Electrotechnical Commission
(IEC 1010-1) requires that measuring circuit terminals used
for voltage or current measurement be marked to indicate
their Measurement Category. The Measurement Category is
based on the amplitude of transient or impulse voltage that
can be expected from the AC power distribution network.
This product is classified as Measurement Category I,
abbreviated “CAT I” on the instrument front panel. This
product should not be used within Categories II, III, or IV.
The 2-channel input module measurement terminals are
rated for a maximum voltage of 230 Vpk to ground, and a
signal input of 160 Vrms unbalanced, 300 Vrms balanced.
These terminals are intended to be used for the measure-
ment of audio signals only.
Do NOT substitute parts or make any modifications with-
out the written approval of Audio Precision. Doing so may
create safety hazards. Using this product in a manner not
specified by Audio Precision can result in a safety hazard.
Safety
8APx555 B Series Audio Analyzer: Safety
This product is for indoor use—Installation Category II,
Measurement Category I, pollution degree 2.
To clean the enclosure of this product, use a soft cloth or
brush to remove accumulated dust. A mild detergent may be
used to remove remaining dirt or stains. Do not use strong
or abrasive cleaners. Wipe all surfaces with a damp cloth.
This unit is supplied with four feet on the bottom surface
and four feet on the right side surface. The unit should only
be operated while resting on the bottom surface feet. The
feet on the right side are provided for convenience and sta-
bility when transporting the unit. DO NOT operate the unit
while it is sitting on the side feet
Safety Symbols
The following symbols may be marked on the panels or
covers of equipment or modules, and are used in this man-
ual:
WARNING!—This symbol alerts you to a potentially haz-
ardous condition, such as the presence of dangerous volt-
age that could pose a risk of electrical shock. Refer to the
accompanying Warning Label or Tag, and exercise extreme
caution.
ATTENTION!—This symbol alerts you to important oper-
ating considerations or a potential operating condition that
could damage equipment. If you see this marked on equip-
ment, refer to the Operator’s Manual or User’s Manual for
precautionary instructions.
FUNCTIONAL EARTH TERMINAL—A terminal marked
with this symbol is electrically connected to a reference
point of a measuring circuit or output and is intended to be
earthed for any functional purpose other than safety.
PROTECTIVE EARTH TERMINAL—A terminal marked
with this symbol is bonded to conductive parts of the instru-
ment and is intended to be connected to an external protec-
tive earthing system.
Disclaimer
Audio Precision cautions against using their products in a
manner not specified by the manufacturer. To do otherwise
may void any warranties, damage equipment, or pose a
safety risk to personnel.
Other manuals for B Series
3
This manual suits for next models
1
Table of contents
Other Audio Precision Measuring Instrument manuals
Audio Precision
Audio Precision B Series User manual
Audio Precision
Audio Precision B Series User manual
Audio Precision
Audio Precision APx52 series User manual
Audio Precision
Audio Precision Lynx Aurora User manual
Audio Precision
Audio Precision ATS-1 User manual
Audio Precision
Audio Precision APx500 Flex User manual
Audio Precision
Audio Precision B Series User manual
Audio Precision
Audio Precision APx555 User manual
Audio Precision
Audio Precision AP 52 B Series User manual
Audio Precision
Audio Precision APx500 Flex User manual
