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1. Characteristic IMD Measurement Test Signal Compatibility SMPTE amp MOD DFD IMD Measured SMPTE MOD DFD Measurement Range Accuracy Residual IMD 7 SMPTE amp MOD DFD Frequency Measurement Range Accuracy Resolution Phase Measurement Ranges Accuracy Resolution APx515 Installation and Specifications Specifications Any combination of 40 Hz 1 kHz LF and 2 kHz 20 kHz HF mixed in any ratio from 1 1 to 10 1 LF HF Any two tone combination with mean frequency of 2 5 kHz 50 kHz and a difference frequency of 80 Hz 2 0 kHz Amplitude modulation of HF tone d2 d3 d2 d3 or d2 d3 d4 d5 d2 d3 d2 d3 or d2 d3 d4 d5 0 to 20 0 5 dB lt 5 Hz to 0 499 SR 0 0003 100 uHz 6 digits 90 to 270 180 or 0 to 360 deg 0 001 deg Supplemental Information HF tone must be gt 6 LF tone Fmean F1 F2 2 F diference F2 F 1 F mean Must be 6 F2 F1 Measurement BW is typ 40 500 Hz Use d2 d3 for measurements per IEC 60268 Use d2 d3 for measurements per IEC 60268 Typically lt 140 dBFS Typically lt 150 dBFS Typically 0 001 deg 21 Characteristic Specifications GENERAL ENVIRONMENTAL Power Requirements Temperature Range Operating Storage Humidity Max Operating Altitude Stabilization Time EMC Safety Dimensions Width Height Depth Weight 100 120 230 or 240 Vac 50 60 Hz with safety ground via approved
2. Size Flatness 1 kHz ref Spurious Content DIGITAL INPUT RELATED Formats Electrical unbalanced Electrical balanced Optical Sample Rate Range SR 8 kS s to 216 kS s 32 MSample SPDIF EIAJ per IEC60958 lt 10 Vpp AES EBU per AES3 1992 lt 10 Vpp Toslink 22 kS s to 216 kS s EMBEDDED INPUT SIGNAL RELATED Level Amplitude Measurement Measurement Range Accuracy 1 kHz Flatness Residual Noise THD N Measurement Fundamental Range Measurement Range Accuracy Residual THD N 7 Level amp THD N Filters High Pass Filter Low Pass Filter Weighting 20 lt 120 dBFS to 3 dBFS 5 Hz to 0 49 SR or 50 kHz whichever is lower 0 to 100 0 5 dB 5 Hz to 500 Hz or None 1 kHz to 97 2 kHz or None A wt B wt C wt CCIR 1k CCIR 2k CCITT C message 50 us or 75 us de emph with and without A wt or None Supplemental Information Typically lt 0 001 dB to 0 499 SR Typically lt 140 dB Input R is nominally 75 Q Input R is nominally 110 Q Typically locks down to 16 kS s Typically lt 0 001 dB Typically lt 0 001 dB Typically lt 140 dBFS Tuning can be set to track measured fre quency generator setting or fixed Q 2 6 typically Typically lt 140 dBFS 1 Hz steps 100 Hz steps very sharp roll off charac teristic exceeds AES 17 Weighting filter is cascaded with the high pass and low pass bandwidth limit ing filters APx515 Installation and Specifications
3. correct for your mains power supply To open the power entry module refer to Figure 3 and pro ceed as follows Figure 2 Detail power entry module on APx515 instrument rear panel The mains power switch is to the left Checking the mains supply voltage configura tion The white plastic voltage indicator pin protrudes through one of the four labeled holes in the module cover to indi cate the selected input voltage Figure 2 shows the pin in the second position indicating 120 V Check to see that the indicated voltage matches your mains supply voltage If it does not change the mains supply voltage configuration as described below Opening the power entry module Unplug the power cord from the instrument before chang ing fuses or performing any other operations described in this section Figure 3 Power entry module door and fuse block e Remove the mains power supply cord from the power cord connector e Locate the slot in the module cover door hinge The hinge is a the left side of the cover door and the slot in the hinge is visible in the power cord connector cavity Insert a small screwdriver or similar tool in the slot and pry the cover door hinge outward The cover door will snap out and then can be pivoted on its hinge for access to the fuse block assembly and voltage selector card APx515 Installation and Specifications Changing the Mains Supply Voltage Configura tion Open the Power Entry Module as descri
4. 0 kHz fundamentals lt 102 dB 1 4 uV 20 kHz BW 16 APx515 Installation and Specifications Characteristic Level amp THD N Filters High Pass Low Pass Weighting IMD Measurement Test Signal Compatibility SMPTE amp MOD DFD IMD Measured SMPTE MOD DFD Measurement Range Accuracy Residual IMD123 SMPTE amp MOD DFD Frequency Measurement Range Accuracy Resolution Specifications 5 Hz to 500 Hz or None 1 kHz to the selected BW setting or None A wt B wt C wt CCIR 1k CCIR 2k CCITT C message 50 us or 75 us de emph with and without A wt or None Any combination of 40 Hz 1 kHz LF and 2 kHz 20 kHz HF mixed in any ratio from 1 1 to 10 1 LF HF Any two tone combination with mean frequency of 2 5 kHz 50 kHz and a difference frequency of 80 Hz 2 0 kHz Amplitude modulation of HF tone d2 d3 d2 d3 or d2 d3 d4 d5 d2 d3 d2 d3 or d2 d3 d4 d5 0 to 20 0 5 dB 92 dB 0 0025 4 1 mix ratio lt 100 dB 0 0010 5 Hz to 90 kHz 0 0003 3 ppm 6 digits APx515 Installation and Specifications Supplemental Information 1 Hz steps 100 Hz steps very sharp roll off charac teristic exceeds AES 17 Weighting filter is cascaded with the high pass and low pass bandwidth limit ing filters HF tone must be 6 LF tone Fmean F1 F2 2 F gip F2 F1 Fmean Must be 6 F gig Measurement BW is typ 40 500 Hz Use d2 d3 for measurements per IEC 6
5. 0268 Use d2 d3 for measurements per IEC 60268 Vj must be 5 mV 17 Characteristic Specifications Phase Measurement Ranges 90 to 270 180 or 0 to 360 deg Accuracy 0 2 deg 5 Hz to 5 kHz 0 8 deg 5 kHz to 20 kHz 2 0 deg 20 kHz to 50 kHz Resolution 0 001 deg DC Voltage Measurement Input Ranges 0 25 V to 80 V 10 dB steps Accuracy 250 mV and 800 mV ranges 0 7 reading 1 mV 2 5 V 80 V ranges 0 7 reading 0 1 range Normal Mode Rejection DIGITAL I O DIGITAL OUTPUT RELATED Formats Electrical unbalanced SPDIF EIAJ per IEC60958 0 50 Vpp or 1 00 Vpp 10 into 75 Q Electrical balanced AES EBU per AES3 1992 5 00 Vpp 10 into 110 Q Optical Toslink Sample Rate SR Range 22 kS s to 216 kS s Sample Rate SR Accuracy 0 0003 3 ppm Channel Status Bits Full implementation per IEC 60958 User Bits Fully settable Validity Flag Set to 0 Residual Jitter Electrical Optical Supplemental Information Vn must be 5 mV with dc coupling both channels Accuracy degrades below 50 Hz with ac coupling 120 Vdc maximum in 80 V range Typically gt 90 dB 20 Hz to 20 kHz Output R is nominally 75 Q Output R is nominally 110 Q Automatically set or manual override hex or plain English Hex Typically lt 1 5 ns Typically lt 2 5 ns SR lt 96 kS s 18 APx515 Installation and Specifications Characteristic Specifications EMBEDDED OUTPUT SIGNAL RELATED Waveforms Sine sine spli
6. 8 00 Vrms 22 6 Vpp unbalanced 0 05 dB 0 58 0 010 dB Typically lt 0 005 dB 0 030 dB 0 10 dB lt 102 dB 1 4 pV 20 kHz BW Typically lt 110 dB when Fs 75 kHz increasing to 55 dB at Fs 80 kHz 179 999 to 180 000 deg APx515 Installation and Specifications 13 Characteristic Specifications DC Offset Range 12 00 Vdc balanced 6 00 Vdc unbalanced Residual DC Offset lt 0 25 of Vrms setting lt 0 09 of Vpp setting 100 pV Noise Characteristics Shape White lt 5 Hz to gt 80 kHz Pink lt 10 Hz to gt 80 kHz IEC 60268 1 or BS EN 50332 1 Amplitude Range 0 to 45 2 Vpp balanced 0 to 22 6 Vpp unbalanced IMD Test Signals requires option AML SMPTE amp MOD LF Tone Range 40 Hz to 1 kHz HF Tone Range 2 kHz to 20 kHz Mix Ratio LF HF 10 1 4 1 or 1 1 Amplitude Range 0 to 45 2 Vpp balanced 0 to 22 6 Vpp unbalanced Amplitude Accuracy 0 06 dB 0 70 Residual IMD123 0 0025 92 dB 4 1 mix ratio DFD Tone Pair Mean Range 2 5 kHz to 20 kHz Tone Pair Difference Range 80 Hz to 2 0 kHz Amplitude Range 0 to 45 2 Vpp balanced 0 to 22 6 Vpp unbalanced Amplitude Accuracy 0 06 dB 0 70 Residual IMD123 lt 0 0010 100 dB Multitone Wave File Playback requires option HST Sample Rate Range SR 8 kS s to 108 kS s and 175 kS s to 192 kS s Maximum File Size 32 MSample Amplitude Range 0 to 45 2 Vpp balanced 0 to 22 6 Vpp unbalanced Supplemental Information D
7. APx515 audio analyzer Installation Instructions and Specifications Audi pty APx515 audio analyzer Installation Instructions and Specifications CHANNEL if CHANNEL f CHANNEL model APx515 October 2013 Audio precision Copyright 2011 2013 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 in cluding photocopying recording or by any information storage 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 Cor poration Dolby and the double D symbol are trademarks of Dolby Laboratories Inc DTS is a trademark of DTS Inc Audio s precision Audio Precision 5750 SW Arctic Drive Beaverton een 97005 503 627 0832 800 231 7350 ap com pn 8211 0278 rev 007 XI110925143207 Documentation and Support This booklet contains safety information installation instructions and full specifications for the Audio Precision APx515 audio analyzer The APx500 User s Manual Detailed information on the operation of the APx515 analyzer is available from the online Help installed with the APx500 measurement software and in the APx500 User s Manual The user s manual is available as a PDF on the APx500 Application Disc and on t
8. C offset limits maximum ac signal Amplitude calibration is approximate HF tone must be gt 6 LF tone 4 1 maximum with SMPTE signal Fmean F1 F2 2 Fii F2 F1 F mean must be 26 Fiif Operation from 109 kS s to 175 kS s is possible but with degraded flatness Wav file must peak at digital full scale to obtain selected amplitude 14 APx515 Installation and Specifications Characteristic Specifications Flatness 1 kHz ref SR 175 kS s to 192 kS sec SR 8 kS s to 108 kS s Spurious Content Output Equalization Arbitrary 30 pole output filter scaled so the maximum gain is 1 dB Source Resistance Rs Balanced Selectable 100 Q 1 or 600 Q 41 Unbalanced Selectable 50 Q 1 5 or 600 Q 41 Common Mode Test Same as Balanced selections Max Output Current Reverse Overload Protection Output Related Crosstalk lt _120 dB 1 uV to 20 kHz ANALOG ANALYZER Number of Channels 2 independently auto ranging Maximum Rated Input 125 Vpk 120 Vdc any input to ground 0 5 Vpk for unbalanced bnce shields Input Impedance Balanced 100 kQ 230 pF each side to gnd Unbalanced 100 kQ 230 pF to bne shield Input Termination Selectable 600 Q 1 1 5 W max Input Coupling Selectable DC or AC Input Ranges 250 mVrms to 80 Vrms 10 dB steps APx515 Installation and Specifications Supplemental Information Typically lt 0 012 dB to 20 kHz Typically lt 0 04 dB to 20 kHz max frequency limited
9. bed above e The voltage selector card is a small circuit board fitted with a white plastic indicator pin installed in a housing on the right side of the Power Entry Module as shown in Figure 4 Pull the voltage selector card straight out of the housing using narrow pliers to grab the card Do not use the indicator pin as a handle Figure 4 Changing the mains power supply voltage e Orient the selector card so that the desired input voltage is readable at the bottom shown in Figure 5 Then move the indicator pin to point UP opposite the indi cated voltage Seat the pin assembly in the notch on the board edge e Insert the voltage selector card into the housing with the printed side of the card facing toward the mains power APx515 Installation and Specifications Chapter 2 Installation connector The card edge indicating the desired voltage should enter the housing first Confirm that the correct fuse or fuse combination is installed for the intended input voltage refer to the fuse ratings marked on the instrument rear panel If neces sary change the fuse type as described in the following section 90 90 gor 240V Figure 5 Voltage card selector orientation Close the module the cover door and verify that the indicator pin shows the desired voltage Once you have verified that the line voltage selection is correct connect the power cord from a mains power outlet to the power cord connector on the ins
10. bout making measurements The APx500 User s Manual is available as a PDF on the APx500 Application Disc and online at ap com a hard copy version can be ordered from Audio Precision or your local distributor APx515 Installation and Specifications Chapter 2 Installation Setting up the hardware Connecting your instrument to the electrical mains supply The APx515 instrument must be connected to a 50 60 Hz alternating current ac electrical mains supply maximum voltage 250 Vrms The instrument has been configured at the factory for the expected voltage at its intended destination as ordered The voltage setting and fusing arrangement will normally be correct unless the instrument has been transported into another area The power entry module has a strip of indica tor tape showing its mains voltage setting This tape must be removed before use You MUST be sure that the APx515 instrument mains power configuration is correct for the elec trical mains power supplied in your area If you are not sure do not plug the instrument into the mains power Follow the instructions below to check or change the instrument mains supply voltage selection The mains power supply is applied to your APx515 instru ment through the power entry module located on the rear panel Before connecting the power cord confirm that the Chapter 2 Installation input voltage selection and fusing arrangement in the power entry module are
11. designed to operate only from a 50 60 Hz ac mains power source at 100 240 Vac nominal voltage The mains supply voltage is not to exceed 10 of nominal 90 264 Vac APx515 Installation and Specifications Safety 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 10 of this booklet 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 P on the instrument front panel This product should not be used within Categories II IH or IV The APx515 measurement terminals are rated for a maxi mum input of 125 Vpk 88 Vrms and are intended to be used for the measurement of audio signals only Chapter 1 Safety 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 This product is for indoor use Installation Category II Measurement Category I pollution degree 2 To clean the enclosure of thi
12. from both generator and analyzer Generator only and or analyzer only contributions are typically less Generator load must be gt 600 Q balanced or gt 300 Q unbalanced for specified performance Generator dc off set must be off or set to 10 mV Analyzer input must be 2150 mV for specified performance Analyzer set to measure d2 d3 IMD products for MOD and DFD modes Valid for the balanced input configuration with dc coupling only With ac coupling specified performance is invalid below 50 Hz Maximum low pass filter frequency is limited by analyzer input bandwidth setting Sample rate SR must be gt 27 kS s for specified performance Jitter analyzer set for 700 Hz highpass response per AES3 1992 Digital generator word width must be set to 24 bits for specified performance shorter word widths may degrade performance 23 24 APx515 Installation and Specifications Apreasion 5750 SW Arctic Drive Beaverton Oregon 97005 503 627 0832 800 231 7350
13. he Web at ap com a hard copy version can be ordered from Audio Precision or your local distributor Audio Test Discs These discs and more can be ordered from Audio Precision or your local distributor e APx DVD1 is a playable video DVD with menu driven linear and coded audio test sig nals for external source use with DVD players e APx CD1 is a playable audio CD with linear audio test signals for external source use with CD players e APx BD1 is a playable Blu ray Disc with menu driven high resolution linear and coded audio test signals for external source use with Blu ray Disc players ap com Visit the Audio Precision Web site at ap com for APx support information APx resources are available at ap com downloads apx You can also contact our Technical Support staff at techsupport ap com or by telephoning 503 627 0832 extension 4 or 800 231 7350 exten sion 4 toll free in the U S A Ap 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
14. ing with the side of the assembly that carries the fuse s for your desired fusing arrangement facing into the housing Press the fuse assembly firmly into the housing e Confirm that the line voltage selection is correct for your mains voltage and your fusing arrangement Once you have verified that the line voltage selection is cor rect connect the power cord from a mains power outlet to the power cord connector on the instrument rear panel APx515 Installation and Specifications Abbreviations Terms Abbreviations Terms and Symbols used in the following specifications Analog to Digital converter Bandwidth or Measurement Bandwidth a single number indicates only the upper limit Digital to Analog converter Device Under Test the device to which the generator or analyzer is connected Electro Magnetic Compatibility usually refers to both emissions radiated and conducted via AC mains and susceptibility Fast Fourier Transform a mathematical process converting the time domain rep resentation of a signal to the frequency domain Inter Modulation Distortion a measure of non linearity using a test signal with two or more components Root Mean Square an equivalent power expression of signal amplitude Sample Rate usually as it applies to the conversion rate of A D and D A convert ers Total Harmonic Distortion rms summation of d2 to d9 may be bandwidth lim ited usually derived from an FFT Total Harmonic Distor
15. ol 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 APx515 Installation and Specifications Chapter 1 Safety APx515 Installation and Specifications 3 Ga Audio Precision APx500 Setup Welcome to the Audio Precision APx500 Setup Wizard c Audio Precision Inc All rights reserved This wizard will guide you through the installation of Audio Precision APx500 It is recommended that you close all other applications before starting Setup This will make it possible to update relevant system files without having to reboot your computer Click Next to continue lease wait while Setup is loading verifying installer 32 4 APx515 Installation and Specifications Software The APx515 audio analyzer system uses the award win ning APx500 measurement software This is the same soft ware used in the APx525and APx585 analyzer families PC system requirements The APx500 measurement software requires a personal computer PC with the following features and capabilities Operating system Microsoft Windows 8 Windows 7 Windows Vista or Windows XP Professional Service Pack 2 or later e A multi core processor at least dual c
16. ore running at a clock speed of at least 2 GHz Most current processors from Intel and AMD meet these requirements APx515 Installation and Specifications Installation Note the Intel Atom processor does not meet our minimum specification At least 2 GB of RAM At least 300 MB of free hard disk space e A CD ROM optical disc drive e A USB 2 0 port two are required for optional switcher use e A color monitor and a video card with at least VGA capabilities Video resolution of 1024 x 768 or greater is recommended System performance is sensitive to processor speed faster processors will yield faster results Chapter 2 Installation APx500 is data intensive and it is recommended that other data intensive applications not be run concurrently This includes Audio Precision s AP2700 APWIN or ATS Installation To install the measurement software insert the APx500 CD ROM into the optical drive on the PC and follow the instructions in the installation dialog NOTE You must have local administrator rights to install APx500 software Go to User Accounts in the Windows Control Panel or check with your network administrator Running the software without instrument hard ware attached NOTE You must have standard user rights or administrator rights to operate APx500 software Guest users are not supported You can launch the APx500 software without instrument hardware attached When no hardwa
17. power cord 75 VA max 0 C to 45 C 40 C to 75 C 90 to 40 C non condensing 3 000 m 20 minutes IEC 61326 1 2005 EN 61326 1 2006 Complies with EC Council Directives 2004 108 EC and 93 68 EEC IEC 61010 1 2001 EN 61010 1 2001 CAN CSA C22 2 No 61010 1 04 and UL Std No 61010 1 2nd Edition Complies with EC Council A 2006 95 EC and 93 68 EEC 370 mm 14 55 inches 86 mm 3 40 inches 343 mm 13 53 inches 4 2 kg 9 1 Ibs Supplemental Information Typical operating range is 90 110 Vac 100V 108 132 Vac 120V 198 242 Vac 230V or 216 264 Vac 240V Derate max operating temperature to 40 C at altitudes above 2 000 m Allow at least 60 minutes if unit has been stored in a significantly different environment prior to turn on or if unit is to be calibrated or adjusted Emission and immunity levels are influ enced by the shielding performance of interface and signal cables attached to the instrument EMC compliance was demonstrated using Audio Precision cables Equipment Class Installation Category II Pollution Degree 2 Measurement Category 2U rack mount tray available Increase by 8mm 0 3 inches if rear panel option keys are installed APx515 Installation and Specifications Characteristic Specifications Supplemental Information Notes to Specifications 1 2 3 a APx515 Installation and Specifications System specification including contributions
18. re is detected APx500 will present you with the following dialog box 42 Waiting for Hardware l Hardware not detected Check that the instrument is A connected and powered on Select Demo Mode to run without hardware Instrument Type APK525 j Cancel Select Demo Mode APx500 will run in demo mode which allows you to explore the user interface but does not enable any measurement functions Input data shown in Demo Mode is false data generated for display only At first launch Demo Mode runs simulating attachment to an APx585 To run Demo Mode simulating an APx515 or other instrument select that option from the Instrument Type menu Running the software with instrument hardware attached NOTE You must have standard user rights or administrator rights to operate APx500 software Guest users are not supported Connecting the instrument to your PC Before connecting your APx515 instrument to your PC install the APx500 measurement software as described above Connecting the instrument prior to software installa tion may cause Windows to select an incorrect USB driver for the instrument USB driver selection The measurement software communicates with the APx515 using a USB 2 0 interconnection Once the software is suc cessfully installed connect one end of the USB cable to a USB 2 0 port on the PC and the other end to the PC INTERFACE port on the rear of the APx515 We strongly recommend that you use
19. s 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 symb
20. t frequency sine split phase sine DC offset continuously swept sine square wave noise IMD signals multi tone constant value walking ones zeros bittest random wave file playback Sine Characteristics Frequency Range 5 Hz to 0 499 SR Flatness Offset Range To maximum digital code 1D Harmonics amp Spurious Square Characteristics Frequency Range Fq 10 Hz to SR 6 Even Harmonic Spurious Content Noise Characteristics Shape White lt 5 Hz to 0 499 SR Pink lt 10 Hz to 0 45 SR IEC 60268 1 or BS EN 50332 1 IMD Test Signals SMPTE amp MOD LF Tone Range 40 Hz to 1 kHz HF Tone Range 2 kHz to 0 499 SR or 20 kHz whichever is lower Mix Ratio LF HF 10 1 4 1 or 1 1 Residual IMD DFD Tone Pair Mean Range 2 5 kHz to 0 499 SR F mean 2 or 20 kHz whichever is lower Tone Pair Difference Range 80 Hz to 2 0 kHz Residual IMD APx515 Installation and Specifications Supplemental Information 8 24 bit word width triangular PDF dither Typically lt 0 001 dB Offset limits maximum ac signal Typically lt 140 dBFS Only specific values are allowed Fq SR N where N is an even integer 26 Typically lt 140 dBFS HF tone must be 6 LF tone Typically lt 140 dBFS Fmean F1 F2 2 Fmean F1 F2 2 Fyig FFA Fmean Must be 6 F gig Typically lt 150 dBFS 19 Characteristic Specifications Multitone Wave File Playback Sample Rate SR Maximum File
21. the USB cable included with your instrument AP part number CAB APSI We have tested other USB cables that perform poorly Note Some PCs have optional USB ports on the front of the PC or on extension brackets on the rear In many cases these convenience ports have compromised performance due to the extra APx515 Installation and Specifications cable length within the PC We recommend using USB ports directly connected to the PC mother board typically at the rear of the PC Connect the APx515 mains power cord to the instrument and to a source of ac mains power See Setting up the hardware below for more information about mains connec tions Turn the instrument on by rocking the mains power switch up to ON I The mains power switch is located in the power entry module on the rear of the APx515 Windows will detect the presence of the APx515 on the USB port and will open the Hardware Update Wizard to search for the correct software driver Select Install the software automat ically Windows will find the Audio Precision driver soft ware installed with APx500 and connect to the APx515 Launch APx500 by double clicking on the installed short cut With the APx515 connected you may be asked to update the instrument firmware during the first launch of the measurement software APx500 will start and in a short time you will be presented with the opening screen Refer to the APx500 User s Manual for more information a
22. tion plus Noise an rms measurement of ALL harmonics spurious signals hum and noise within a specified bandwidth A characteristic that is not guaranteed usually due to a practical limitation in testing or metrology Bracket pair indicates a specification in an equivalent unit for example 0 030 dB 0 35 or 10 61 Vrms 30 0 Vpp Bold plus symbol indicates rms summation square root of the sum of the squares instead of arithmetic summation Double tilde indicates an approximate or nominal numerical value or range of values that may vary from unit to unit and Symbols 11 12 Abbreviations Terms and Symbols Characteristic ANALOG GENERATOR Number of Channels Waveforms Sine Characteristics Frequency Range Fs Frequency Accuracy Amplitude Range Amplitude Accuracy 1 kHz Flatness 1 kHz ref Fs 10 Hz to 20 kHz Fs 20 kHz to 50 kHz Fs 50 kHz to 80 kHz Residual THD N Fs 20 Hz 20 kHz Non Harmonic Content Phase Offset Range Split Phase Specifications APx515 audio analyzer with APx500 v3 4 or higher measurement software October 2013 NP0020 00014 r004 Specifications Supplemental Information 2 independent amplitude control Sine sine split frequency sine split phase sine DC offset continuously swept sine noise IMD test signals multi tone wave file playback 2 Hz to 80 1 kHz Setting resolution is typically 45 uHz 0 0003 100 yHz 0 to 16 00 Vrms 45 2 Vpp balanced 0 to
23. to 0 45 SR Typically lt 100 dB Grounded symmetrical Electronically floating 0 3 Vpk max bnc shield to ground 10 17 Q 22nF Typically gt 50 mA peak 50 mA dc Up to 30 W Max ADC sample rate 192 kS s Electronically floating 0 5 Vpk max bnc shield to ground 500Q 22nF Termination automatically opens in the 80 V range Typically lt 0 5 uA bias current with DC coupling typically lt 0 03 dB roll off at 20 Hz with AC coupling Maximum ac signal is 88 Vac unbal 115 Vac bal in the 80V range 15 Characteristic Specifications Supplemental Information Common Mode Rejection Max common mode signal range 250 mV 800 mV 2 5 V ranges gt 80 dB 5 Hz to 5 kHz 6 Vpk gt 70 dB 5 kHz to 20 kHz 8 V range gt 50 dB 5 Hz to 20 kHz 12 Vpk 25 V range gt 50 dB 5 Hz to 20 kHz 60 Vpk 80 V range gt 45 dB 5 Hz to 20 kHz 120 Vpk Input Related Crosstalk lt 120 dB 0 3 uV to 20 kHz Rs lt 600 Q Level Amplitude Measurement Range Balanced or bridging input lt 1 uV to 115 Vrms Unbalanced input lt 1 uV to 85 Vrms Accuracy 1 kHz 0 05 dB 0 60 Flatness 1 kHz ref DC coupling 10 Hz to 20 kHz 0 010 dB Typically lt 0 005 dB 20 kHz to 50 kHz 0 030 dB 50 kHz to 80 kHz 0 10 dB Residual Noise inputs shorted lt 1 4 Vrms 20 kHz BW Typically lt 8 0 nVA Hz at 1 kHz THD N Measurement Fundamental Range 5 Hz to gt 50 kHz Measurement Range 0 to 100 Accuracy 0 5 dB Residual THD N 20 Hz 2
24. trument rear panel Chapter 2 Installation Fuse information The power entry module accommodates two fusing arrange ments as illustrated in Figure 6 100 120 VAC operation The 100 120 VAC fusing arrangement uses a single type 3AG 0 25 x 1 25 slo blo fuse Audio Precision rec ommends only the following replacement fuse 1 each Littelfuse 313 Series 600 mA 3AG 250 V slo blo glass fuse 230 240 VAC operation The 230 240 VAC fusing arrangement uses two 5 x 20 mm IEC approved type T fuses Audio Precision recommends only the following replacement fuses e 2 each Littelfuse 213 Series 315 mA 250 V 5 x 20 mm Time Lag slo blo glass fuses or 2 each Littelfuse 218 Series 315 mA 250 V 5 x 20 mm Time Lag slo blo glass fuses Refer to the label on the instrument rear panel for fuse cur rent ratings Changing the fusing arrangement 230 240 V Orientation 100 120 V Orientation Figure 6 Fuse block orientation for 100 120 VAC and 230 240 VAC operation 10 To replace a fuse or change the fusing arrangement pro ceed as follows e Remove the mains power cord from the power cord connector and open the Power Entry Module as described above Using narrow pliers pull the fuse assembly out of the housing e Change or add the correct fuses as necessary referring to Figure 6 Refer to the instrument rear panel for the correct fuse electrical current rating Insert the fuse assembly in the hous

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