ProAudio Review - December 2008 - (Page 54)

and square waves — stepping by 1-2 ware options, and the review unit was fully Hz/octave/1/3 octave for tones). Settings loaded. The SoundPro TechBench option like output level and mic gain are main- adds tests like electrical signal level, fretained from test to test while the unit is quency count, sweeps of frequency powered on. response and impedance, distortion For an install like a church or for testing (THD+N and IMD) measurement, phase and environmental noise sources, it can be use- crosstalk. The resolution on these tests is ful to know what levels are produced over decent for a handheld device, and might time, facilitated in the SP495 by Leq aver- just save a tech carrying an additional test aged reading over a user-defined timeframe instrument into the field. Included is an and by Dosimeter readings, measuring SPL oscilloscope emulation for rudimentary over a defined time and correlating meas- waveform visualization. urements to sound pressure exposure stanA major concern for many in the install dards. There’s also an automatable SPL chart market is speech intelligibility, and the recorder function that can log measure- SP495 can be upgraded to include industryments over time, useful in part for evaluat- standard ALCONS (a numerical prediction of ing environmental noise in a given locale, including elements like HVAC systems and external traffic noise sources. RTA analysis of the room plotted the instantaneous frequency Applications performance on a 1/3-octave Live Sound, Contracting/Install, Studio, Home scale, and with FFT measurement Theater for up to 1/30 octave resolution (though with a slower refresh for Key Features the three-cascaded 1024-point Standalone with a broad range of acoustics and sound system analysis test capability, extended FFTs). The plots could be frozen through optional firmware. Comes ready with case for deeper analysis, including and cabling. cursor control to sweep to individual frequencies/peaks, and data Price can be stored for later use or use $3,995 list in a “difference” mode for before/ Firmware Options: after comparison. We also learned Speech Intelligibility $395; Noise Curves $195 details on aspects of the room Time Delay Analysis $795 — comes with TerraLink itself that Ben had already “intuit- software Audio Stethoscope $95; Tech Bench $295 ed” during his system tweaks. Software Options: RT60 measurements were facili- TerraLink $295; MacLink $295; Precision Type I Mic $1,295 tated with ease by the SP495, as well as a graphical display of Contact energy decay vs. time, useful for Sencore | 800-SENCORE (736-2673) | mapping acoustic delays in a sys- www.sencore.com tem and the incidence of reflection arrivals. Additional core tests include speaker polarity (which can be Portable and Price can performed up to 100 feet from the self-contained add up speaker nice), actual speaker Wide range quickly impedance measurement and a of test capawith add-on bility and cable-tester function. modules Fast Facts Product Points parameter control Giving You Options The SP495 can be tricked out with a number of add-on firm- Scorefor an extensive range of standardsRecommended for audio consultants with a need compliant testing. 54 ProAudioReview | December 2008 www.proaudioreview.com http://www.royerlabs.com http://www.sencore.com http://www.royerlabs.com http://www.proaudioreview.com

Table of Contents Feed for the Digital Edition of ProAudio Review - December 2008

ProAudio Review - December 2008 Contents Technically Speaking New Studio Products Opinion: Mastering Matters Review: BIAS Peak Pro XT 6 Review: Zaxcom Fusion ENG Mixer and Multitrack Recorder Review: Sound Devices 788T 8-Track Digital Audio Recorder Review: Universal Audio UAD-2 Solo DSP Accelerator Review: Chandler Limited Germanium Compressor Review: RME ADI-8 QS A/D-D/A Converter Feature: Converters and Clocks: Engineers on Their Choices New Live Products Opinion: From the Road Review: Yamaha IM8 Series Mixing Consoles Review: NTI Digirator DR2 Digital Audio Signal Generator Review: Sencore SoundPro SP495 Audio Consultant Test Set Single Slice

ProAudio Review - December 2008

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