Speakerlab Power Test Analyzer Manual

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LICENSE AGREEMENT AND WARRANTY

DIMENSION AND MOUNTING

HARDWARE

THERMAL TIME CONSTANTS

RECOMMENDATIONS & WARNINGS

IBM is a registered trademark of International Business Machines Corporation.

Windows is a registered trademark of Microsoft Corporation.

Power Test Analyzer

INTRODUCTION

CAUTIONS

CUSTOMER SUPPORT

SYSTEM REQUIREMENTS

SOFTWARE INSTALLATION

DRIVER INSTALLATION

PACKAGING

FRONT SIDE

REAR SIDE

CONNECTORS

ASSEMBLIES

CONFIGURE

HW CALIBRATION

MIC CALIBRATION

MEASURE

CONTROL BOX

BOX 1, 2, 3, 4, 5, 6

POST PROCESS

SAVED DATA FORMAT

STREAMING DATA

SPECIFICATIONS

Printed in Italy, April 2021

SOFTWARE

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Summary of Contents for Speakerlab Power Test Analyzer

Page 1 THERMAL TIME CONSTANTS STREAMING DATA RECOMMENDATIONS & WARNINGS SPECIFICATIONS © Copyright 2004-2021 by SpeakerLAB Srl All Rights Reserved Printed in Italy, April 2021 IBM is a registered trademark of International Business Machines Corporation. Windows is a registered trademark of Microsoft Corporation.
Page 2 ABOUT THE SYSTEM SpeakerLAB Power Test Analyzer is the system dedicated to power test for audio transducers. PTA is addressed to the development of technology to limit the power compression, as the execution of tests to select the best component in comparison to more suppliers (pole plates, voice coils, different materials for parts assembly...), or to optimize the design of the transducer motor, for instance increasing cooling for convection, or also to validate...
Page 3: License Agreement And Warranty
SpeakerLAB does not recommend the use of this product in applications in which errors or omissions could result in loss of life, injury, or other significant loss.
Page 4: Customer Support
If the distribution does not AutoRun, locate and run the Setup file following the instructions on screen • Before you run PTA from relative link on desktop or from SpeakerLAB PTA folder on Start Menu, you need to install .inf driver •...
Page 5: Driver Installation
1) Administrator privileges are required to install device drivers. Make sure you are administrator of your computer! 2) Insert USB cable (USB version) into the pc or insert USB Dongle (Wireless version) 3) Power on SpeakerLAB Power Test Analyzer 4) Open up the device manager...
Page 6 7) Go to the tab DRIVER>UPDATE DRIVER 8) Select No, not this time, when prompted by the Hardware Update Wizard and click Next 9) Select Install from a list or specific location and click Next WINDOWS XP WINDOWS 7...
Page 7 10) Select Don’t search. I will choose the driver to install and click Next WINDOWS XP WINDOWS 7 11) If under Model the option SpeakerLAB is listed, click it, click Next, and skip to step 13 WINDOWS XP WINDOWS 7...
Page 8 13) In the Locate File window browse to SpeakerLAB Drivers on your Desktop and select the OS specific SpeakerLAB.inf 14) In the Hardware Update Wizard should now show the SpeakerLAB device option. Click it and click Next 15) Select the Continue Anyway button on the Hardware Installation window and install software...
Page 9 16) The SpeakerLAB Device Driver is now being installed 17) Click the Finish button to complete the installation WINDOWS XP WINDOWS 7 18) On the Device Manager window, check the SpeakerLAB under the relative Port (NI-VISA section if it is enumerated) WINDOWS XP WINDOWS 7...
Page 10 19) If, after the operations, appears 20) Power off and then, waiting 4s, power on SpeakerLAB (in Wireless version also plug out and then plug in USB Dongle from the computer) NOTE: Before run SpeakerLAB.exe set execution permission as administrator. Right click on SpeakerLAB.exe icon, propriety, compatibility, after...
Page 11 Carefully open the shipping box and check for any noticeable damage. The figure shows an example view of the packing. Every SpeakerLAB system is completely tested and inspected before leaving the factory and should arrive in perfect condition. If you find any damage, notify the shipping company immediately. Be sure to save the box and...
Page 12: Dimension And Mounting
DIMENSION AND MOUNTING Hardware installation For a rack mounting do not insert the four feet supplied with equipment For a desktop usage insert the four feet on the bottom side, pushing them inside holes 435 mm (17.1 in) Foot DOWN 483 mm (19 in) Cooling System The exhaust cooling air is forced out through the rear of the...
Page 13: Front Side
FRONT SIDE Streaming Status Led Intermittent (̴ 4 Hz): status ok Stationary: status stalled ON/OFF Push Button Press and hold 1s for power on Press and hold 3s for safety power off Forced air input Avoid covering this channel Wireless (optional)
Page 14: Rear Side
REAR SIDE Balanced Mic IN 3 PIN XLR Female USB type B Female USB optical isolation (optional) Amplifier 2-pole speakON Forced air output Balanced Signal OUT Avoid covering this channel 3 PIN XLR Male Device Under Test Balanced Signal IN 4-Wire Kelvin Termination speakON 3 PIN XLR Female Main Power Inlet...
Page 15 CONNECTORS MAINS Earth Environment Temperature Sensor Phase Environment Humidity Sensor Neutral Noise OUT NOTE Environment Pressure Sensor Amplifier OUT (+) NOTE OUT (-) IN (+) IN (-) Signal OUT NOTE OUT (+) OUT (-) OUT (+) OUT (-) Signal IN NOTE Sense (+) Sense (-)
Page 16 ASSEMBLIES EXTERNAL SOURCE DSP / DIGITAL FILTER POWER AMPLIFIER POWER AMPLIFIER POWER AMPLIFIER Internal Source External Source Internal Generator + External Filter Enable internal signal generator Disable internal signal generator Enable internal signal generator Enable external source input (Signal IN) Enable noise out (Noise OUT) Enable external source input (Signal IN)
Page 17: Interface Overview
INTERFACE OVERVIEW: CONFIGURE Storage Path Push Select Path and navigate till the preferred folder, where to save SpeakerLAB database, then select Current Folder button Users Names of the Operators usually work with SpeakerLAB Factory Data Complete all fields for factory...
Page 18 HW CALIBRATION Calibration is completely automatic, it’s not necessary to disconnect connectors, DUT or cables from SpeakerLAB: internal relays operate all these incumbencies. If launched, this routine stop when terminate the calibration. Check only if the meters indicators remain inside their maximum values, send a comment to factory...
Page 19 INTERFACE OVERVIEW: MIC CALIBRATION Channel IN Edit these fields for a manual calibration Channel OUT of the sensor Visualize output values to save Channels Sensor Sensitivity Sensitivity of sensor [mV/EU] Transducer SPL Max dB Reference Microphone Calibration Setup Techniques: Check maximum Sound Reference value in dB of selected Manual (without a calibrator) Pressure Level, if it is too low...
Page 20 INTERFACE OVERVIEW: ACQUIRE DATA Peak Voltage Average Power on Re Peak Current RMS Voltage Average Power on Z Voice Coil Temperature RMS Current Reduce, Resize, Close window Active Power Reactive Power Environment Temperature Voltage Crest Factor Magnet Voice Coil Re Environment Temperature Acoustic Compression...
Page 21: Acquire Data
ACQUIRE DATA: CONTROL BOX Moving mouse near SpeakerLAB logo cause opening the Control Box Sampling Time set From 1 to 60 s For the first 60s sampling time is fixed to 1s For low sampling time values consider your operating system resources...
Page 22 It’s possible to save infinite configurations, to delete a custom saved configuration delete the relative folder on SpeakerLAB program path …\Settings\customCTRL Warning: to not damage DUT or hardware, when load a saved custom standard ensured that the power amplifier gain and external signal gain are not changed in comparison to saved date...
Page 23 Power Off Select the wire material of DUT voice SpeakerLAB auto-power off immediately at test end. coil. Implemented materials are: However to save energy, SpeakerLAB has a smart auto Copper stop after 60 minutes of inactivity time Aluminium Copper Clad Aluminium...
Page 24 ACQUIRE DATA: BOX 3, 4, 5 Signal Analysis Wait until the sequence complete all settings and measurements. The waiting time is about 10 s. Voltage Vpeak, Vrms time chart and display. Noise Generator Bit Select the preferred bit number to modify internal generator dynamic.
Page 25 DUT was not pre-conditioned. SpeakerLAB advise this condition and suggest forcing manual values. Volume Control You can use original Re and Re Setting amplifier gain to desired Voltage or Temperature measured with SpeakerLAB Power.
Page 26 ACQUIRE DATA: BOX 7 Voice Coil Temperature Magnet Temperature Set software limit on voice coil temperature value. Set software limit on magnet temperature value. Select the preferred Unit in System Configure. Select the preferred Unit in System Configure. When the measure reaches this limit the test is auto stopped and saved When the measure reaches this limit the test is auto stopped and saved Notes To leave hardware limits only, excluding software limits...
Page 27 INTERFACE OVERVIEW: POST PROCESS Diagram Control Enable/Disable the relative diagram to export on datasheet. Enable/Disable cursors to zoom a particular diagram section TABS Switch among the measurement diagrams ALL ON Enable all diagrams and disable all cursors ALL OFF Disable all diagrams and enable all cursors PRINT DATASHEET Print base HTML or...
Page 28 Cursors Move each cursor dragging it into relative time position Diagram Control Switch off Diagram Control to visualize cursors Diagram Control Switch on Diagram Control to visualize area inside the cursors and activate diagram to print...
Page 29 SAVED DATA FORMAT: TEST REPORT ( Graph Y= Amplitude values [Unit] X= Time [s] Summary Histogram Y= Occurrences [%] Thermal Time Constants X= Amplitude values Diagram Values Max Peak Mean Value Min Peak Your Logo Insert your jpg logo into setting folder Record data DUT Name...
Page 30 SAVED DATA FORMAT: THERMAL TIME CONSTANTS Voice coil temperature Environment temperature Magnet temperature Initial voice coil temperature ---------- 109.595 degC Initial magnet temperature ------------ 36.265 degC t0 --------------------------------------------- 7200.000 s t1 --------------------------------------------- 7212.273 s t2 --------------------------------------------- 10645.089 s Tau voice coil ----------------------------- 12.273 s Tau magnet ------------------------------- 3432.816 s...
Page 31 SAVED DATA FORMAT: STREAMING DATA All Streaming Data are saved in a single file. It’s possible to import this file Steaming Data directly in a spreadsheet, from where you can copy all measurements data to All data points saved during the measure session edit in a new customized log (for example useful for statistical analysis) Roots Groups of streaming data distributed on 7 sheets...
Page 32 • If SpeakerLAB Power Test Analyzer doesn't power on, and the Streaming Led light is off or in a stalled status, while holding front Push Button, then unplug main power connector and contact factory sending the Log.txt file in SpeakerLAB\Temp directory.
Page 33: Specifications
SPECIFICATIONS RECOMMENDED OPERATING CONDITIONS v. PRO [v. LITE] PARAMETER SYMBOL UNIT Power Supply Voltage 100/200 130/250 Power AC-Frequency Operating Temperature 0 (32) 25 (77) 45 (113) °C (°F) Storage Temperature -25 (-13) 25 (77) 70 (158) °C (°F) Cooling Continuous speed fan, front to rear airflow Input Power 8 [15] 10 [18]...
Page 34 Ω Voice Coil Resistance 4 ÷ 16 NOTE Voice Coil Wire Materials Cu, Al, CCAW, Ag, Au Magnet Temperature 0 (32) 200 (392) °C (°F) POWER AMPLIFIER Maximal Input Level Input Sensitivity at Rated Output Power 0 (775) dBu (mV) Current (peak) ±...
Page 35 USB optical isolation, or wireless version. Exclude intelligent input protection such as peaks limit, muting or DSP protection. Avoid DC coupling. Digital Amplifiers (Class D-Type) may also be used 4: For long duration of measurement consider free HDD space NOTE 5: For Web Manager version connect to the URL http://yourIPaddress:8000/speakerlab.html to see real time measurement from remote devices. Check port 8000 on your firewall. NOTE 6: T = 25°C...
Page 36           www.speakerlab.it               This document is written only for electronic use. Please consider the environment before printing!