Where quality meets affordability in analog & digital audio testing
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With the proliferation of digital audio interfaces, there’s an increasing need for a straightforward, budget-friendly analyzer for both digital and analog audio testing. The APx516B Series Audio Analyzer offers a cost-effective modular solution for electronic audio customers, upholding the Audio Precision standard of performance and service. Designed for extended R&D teams and production test applications, the APx516B delivers comprehensive testing for analog and digital audio in a versatile, affordable package.
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FEATURES
Affordable 2-Channel Audio Analyzer
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Audio Precision Quality & Reliability
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Optional Digital Audio I/O
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The APx516B is a two-channel audio analyzer built for affordability and versatility:
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2 analog signal generator channels
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2 analog signal analyzer channels
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Optional module slot for all current and future digital audio modules
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The APx516B is designed to the same standards of precision, quality, and robustness as all other Audio Precision products:
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The APx516B is compatible with any current or future APx500 digital audio interface module:
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Bluetooth
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PDM16
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DM
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Digital Serial
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HDMI
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AES/SPDIF
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USE CASES
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Design Verification and Debug
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Streamlined Production Testing and Automation
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The APx516B is a two-channel audio analyzer with an optional module slot. It combines analog and digital audio testing at a price point previously unavailable in the market. Using an Audio Precision analyzer ensures consistency across the entire product development process, especially for extended, distributed, and remote teams, eliminating the discrepancies often seen with makeshift or ad hoc approaches.
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The APx516B streamlines production testing with an end-of-line tester that seamlessly integrates both digital and analog signals. Directly compare data between R&D and manufacturing, make all key audio measurements in less than three seconds, and automate testing with a well-documented Application Programming Interface (API).
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Automation support through .Net, Python, Labview, Matlab, and more
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Robust hardware suitable for 24/7 operation on a manufacturing line
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3-year standard warranty, or 5-year extended warranty
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Accredited, ISO 17025 calibration from the factory
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World-wide, direct support
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SOFTWARE OPTIONS
Every new analyzer comes with a perpetual license for the current and next major software release, including a limited number of out-of-the-box measurements.
Measurements Included in APx516B Base Configuration: Level and Gain, THD+N, Stepped Frequency Sweep, Loudspeaker Production Test, Pass/Fail, Signal Acquisition
Subscribe to save and stay up to date: download any version of software and all software options, except PESQ and POLQA, with a software subscription.
Benefits of software subscriptions:
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Access to latest software release
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Includes all software measurement options (except PESQ and POLQA)
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Available as 1-year, 3-year or 5-year subscription
Measurements Included in Subscription:
APX-FLEX-PACK-2 Crosstalk, Crosstalk Sweeps, DC Level, DC Level Sweep, DUT Delay, Frequency Response, Interchannel Phase, Level Ratio, Measurement Recorder, Noise, Noise Recorder, Q-Peak Noise, SNR, SINAD, Stepped Level Sweep.
APX-FLEX-PACK-3 Continuous Sweep, Digital Error Rate, Dynamic Range–AES17, IMD, IMD Frequency Sweep, IMD Level Sweep, Input Sample Rate, Maximum Output, Maximum Output (CEA–2006), Multitone Analyzer, Regulated Frequency Sweep, Signal Analyzer.
APX-FLEX-PACK-4 Acoustic Response, Bandpass Frequency Sweep, Bandpass Level, Bandpass Level Sweep, Cumulative Spectral Decay, Impedance/Thiele-Small, Modulated Noise, Polar Plots, Transfer Function.
SPECIFICATIONS
SYSTEM PERFORMANCE
Residual THD+N (20 kHz BW)
-100 dB + 2.0 µV
Typical <-109 dB (1 kHz, 2.5V)
GENERATOR PERFORMANCE
Sine Frequency Range
2.0 Hz to 80.1 kHz
Frequency Accuracy
3 ppm
IMD Test Signals
SMPTE, MOD, DFD
Maximum Amplitude (balanced)
14.40 Vrms
Amplitude Accuracy
±0.05 dB
Flatness (10 Hz – 20 kHz)
±0.008 dB
Analog Output Configurations
Unbalanced, balanced, common mode
Dolby / DTS Generator
Yes (encoded file)
ANALYZER PERFORMANCE
Maximum Rated Input Voltage
125 Vpk
Maximum Bandwidth
>90 kHz
IMD Measurement Capability
SMPTE, MOD, DFD
Amplitude Accuracy (1 kHz)
±0.05 dB
Amplitude Flatness (10 Hz – 20 kHz)
±0.010 dB
Residual Input Noise (20 kHz BW)
2.0 µVrms
DC Voltage Measurement
Yes