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Audio Precision APX555
Audio Analyzer, 2 Channel

Analyzers >> Audio, Distortion and Sound Analyzers >> Audio Analyzer, 2 Channel
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Manufacturer: Audio Precision
Model: APX555

CLICK TO ENLARGE Audio Precision APX555 Audio Analyzer, 2 Channel

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Audio Precision APX555 Audio Analyzer, 2 Channel Product Datasheet Download Product Datasheet

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Available Option Configurations


  • APX-ADIO - Advanced Digital I/O
  • APX-DSIO - Digital serial I/O
  • MSRP: $42,900 | In Stock!    GET QUOTE  

Product Overview

RENT AUDIO PRECISION APx555 Audio Analyzer (call for RENTAL availability)

The Audio Precision APx555 Analyzer is ais a two-channel audio analyzer without compromise. Developed for R&D engineers and production technicians who need the highest possible performance, a broad range of digital I/O options and fast, intuitive software. The APx555 surpasses the performance of the AP System 2 Cascade (2700 series).

With a typical residual THD+N of -120 dB and up to 1 MHz bandwidth, the APx555 surpasses the analog performance of all other audio analyzers, including a 5 dB improvement compared to our 2700 Series analyzer. Add to this FFTs of 1.2 million points and full 24-bit resolution, and you have performance unmatched by any other instrument.

The Audio Precision APx555 has two balanced and two unbalanced analog inputs and outputs plus 192K digital inputs and outputs via AES/EBU, TOSLINK and SPDIF. Additionally, I/O may be expanded with optional Digital Serial, HDMI with ARC, PDM and Bluetooth modules. A new Advanced Master Clock (AMC) module handles input and output clock signals to synchronize the APx555 with external equipment (or vice versa), and the AMC also enables jitter generation and analysis. AMC is standard with the APx555 and is an option for the APx52x Series and APx58x Series Audio Analyzers.

With its redesigned software platform, the powerful APx Audio Analyzer Series provides never-before-seen flexibility and usability. The bold new interface offers users two easy-to-use modes. Choose between Sequence Mode for fast production testing and automated measurements, and Bench Mode for real-time visibility into device behavior across a variety of parameters.

With the AP APx555, you can measure continuous maximum output and peak maximum output automatically, DIM measurements, view power spectrum graphs with a regulated frequency sweep and take other measurements as specified by the CEA-2006 and CEA-490A standards. In addition to conventional balanced common mode rejection measurements, APx555 also enables CMRR measurements in accordance with IEC60268 section 14.15.1.

Features and Specifications of the Audio Precision APx555 Audio Analyzer include:

  • Industry-best analog performance
  • Residual THD+N: -120 dB (typical)
  • Up to 1 MHz bandwidth @ 24 bits
  • Signal generation up to 204 kHz and 26 Vrms
  • 1.2 M point FFTs
  • Use Sequence Mode or new Bench Mode for ultimate flexibility and control
  • Support for the complete range of APx digital I/O options including 32-bit digital serial I/O
  • AES/SPDIF advanced digital I/O
  • Jitter generation and analysis
  • Advanced Master Clock for Reference, Sync & Trigger
  • Dual analog notch filters
  • System Performance:
      • Residual THD+N (22 kHz BW):   –117 dB + 1.0 µV
        Typical <–120 dB (1 kHz, 2.0 V)
  • General Performance:
      • Sine Frequency Range: 0.001 Hz - 80 kHz, DAC 5 Hz - 204 kHz, Analog
      • Frequency Accuracy: 3 ppm, DAC 0.35%, Analog (10 Hz to 100 kHz)
      • IMD Test Signals: SMPTE & MOD, DFD, DIM
      • Maximum Amplitude: 26.66 Vrms bal, 13.33 Vrms unbalanced (10 Hz to 100 kHz)
      • Amplitude Accuracy (1 kHz): ±0.03 dB (+15° C to +30° C)
      • Flatness (5 Hz - 20 kHz): ±0.008 dB
      • Analog Output Configurations: Unbalanced, balanced or CMTST
      • Digital Output Sampling Rate: 22 kS/s to 216 kS/s
      • Dolby / DTS Generator: Yes (file-based)
  • Analyzer Performance:
      • Maximum Rated Input Voltage: 300 Vrms (bal) and 160 Vrms (unbal)
      • Maximum Bandwidth: > 1 MHz
      • IMD Measurement Capability: SMPTE & MOD, DFD, DIM
      • Amplitude Accuracy (1 kHz): ±0.03 dB (+15° C to +30° C)
      • Amplitude Flatness (10 Hz - 20 kHz): ±0.008 dB
      • Residual Input Noise (22 kHz BW): ≤ 1.0 μVrms
      • Individual Harmonic Analyzer: H2-H10
      • Maximum FFT Length: 1248K points
      • DC Voltage Measurement: Yes

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