Audio Precision APx1701 Transducer Test Interface
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Description
The APx1701 Transducer Test Interface is an APx accessory device that integrates instrument-grade amplifiers and microphone power supplies for designers and production test engineers seeking clear insight into the behavior of their electro-acoustic devices.
Primarily designed for electro-acoustic testing, the system drives loudspeakers and headphones with dedicated power amplifiers, enables impedance measurements, and provides power to measurement microphones and microphones under test. Its functions are integrated with the APx500 audio measurement software and a connected APx analyzer.
It requires an APx500 Series analyzer and is supported by APx500 audio measurement software version 4.3 or later.
Documents
Audio Precision APx1701 Audio Precision APx1701 Datasheet
Options
Audio Precision APx1701
Electro-Acoustic Production Test (SW-SPK-PT)
The SW-SPK-PT option enables high-speed production test of electro-acoustic devices, providing key loudspeaker measurements in a single one-second sweep. Results include Rub & Buzz detection, essential Thiele-Small parameters, and impedance magnitude and phase. A proprietary modulated noise measurement is also provided to aid in detecting enclosure air leaks.
Electro-Acoustic R&D (SW-SPK-RD) The SW-SPK-RD option delivers a complete suite of measurements and results tailored to the needs of designers and engineers developing electro-acoustic audio products. It includes key measurements and results such as complete Thiele-Small characterization; time-gated, quasi-anechoic Acoustic Response; Impedance analysis; plus the Loudspeaker Production Test measurements.
POLQA Perceptual Audio Test (SW-POLQA-2) Perceptual audio measurement returns a subjective assessment of speech quality using the next-generation POLQA algorithm for wide-band speech devices or devices with acoustic coupling. (Successor to PESQ with support for HD Voice, 3G, 4G/LTE and VoIP technologies)
PESQ Perceptual Audio Test (SW-PESQ) Widely-used, enhanced perceptual measurement for subjective assessment of speech quality on low-bandwidth devices. (PESQ algorithm) Speech Transmission Index (SW-STI) SW-STI is a plug-in for conducting Speech Transmission Index (STI) measurements using the STIPA method.
ACCESSORIES APx1701 accessory cable kit (CAB-1701) This kit provides additional cables to support additional test scenarios. Includes: 2 BNC-BNC cables (14 in; 36 cm) 1 XLRF to XLRM cable – blue (2 ft; 61 cm) 1 XLRF to XLRM cable – red (2 ft; 61 cm) 1 SpeakON to BNC loopback cable with 100 Ohm to ground (2 ft; 61 cm)
APx1701 self-test fixture kit (SLFT-KIT-1701) Provides load box and cabling to support performance self-testing of APx1701. Includes: Load box with 2 x 5 W, 8 ohm loads 1 SpeakON-SpeakON cable (3 ft; 91 cm) 2 BNC-BNC cables (3 ft; 91 cm) 2 BNC-BNC cables (14 in; 36 cm) 2 XLRF to XLRM cables – blue (2 ft; 61 cm), 2 XLRF to XLRM cables – red (2 ft; 61 cm)
Video
The APx1701 Transducer Test Interface is an APx accessory device that integrates instrument-grade amplifiers and microphone power supplies for designers and production test engineers seeking clear insight into the behavior of their electro-acoustic devices.
Primarily designed for electro-acoustic testing, the system drives loudspeakers and headphones with dedicated power amplifiers, enables impedance measurements, and provides power to measurement microphones and microphones under test. Its functions are integrated with the APx500 audio measurement software and a connected APx analyzer.
It requires an APx500 Series analyzer and is supported by APx500 audio measurement software version 4.3 or later.
Audio Precision APx1701 Audio Precision APx1701 Datasheet
Audio Precision APx1701
Electro-Acoustic Production Test (SW-SPK-PT)
The SW-SPK-PT option enables high-speed production test of electro-acoustic devices, providing key loudspeaker measurements in a single one-second sweep. Results include Rub & Buzz detection, essential Thiele-Small parameters, and impedance magnitude and phase. A proprietary modulated noise measurement is also provided to aid in detecting enclosure air leaks.
Electro-Acoustic R&D (SW-SPK-RD) The SW-SPK-RD option delivers a complete suite of measurements and results tailored to the needs of designers and engineers developing electro-acoustic audio products. It includes key measurements and results such as complete Thiele-Small characterization; time-gated, quasi-anechoic Acoustic Response; Impedance analysis; plus the Loudspeaker Production Test measurements.
POLQA Perceptual Audio Test (SW-POLQA-2) Perceptual audio measurement returns a subjective assessment of speech quality using the next-generation POLQA algorithm for wide-band speech devices or devices with acoustic coupling. (Successor to PESQ with support for HD Voice, 3G, 4G/LTE and VoIP technologies)
PESQ Perceptual Audio Test (SW-PESQ) Widely-used, enhanced perceptual measurement for subjective assessment of speech quality on low-bandwidth devices. (PESQ algorithm) Speech Transmission Index (SW-STI) SW-STI is a plug-in for conducting Speech Transmission Index (STI) measurements using the STIPA method.
ACCESSORIES APx1701 accessory cable kit (CAB-1701) This kit provides additional cables to support additional test scenarios. Includes: 2 BNC-BNC cables (14 in; 36 cm) 1 XLRF to XLRM cable – blue (2 ft; 61 cm) 1 XLRF to XLRM cable – red (2 ft; 61 cm) 1 SpeakON to BNC loopback cable with 100 Ohm to ground (2 ft; 61 cm)
APx1701 self-test fixture kit (SLFT-KIT-1701) Provides load box and cabling to support performance self-testing of APx1701. Includes: Load box with 2 x 5 W, 8 ohm loads 1 SpeakON-SpeakON cable (3 ft; 91 cm) 2 BNC-BNC cables (3 ft; 91 cm) 2 BNC-BNC cables (14 in; 36 cm) 2 XLRF to XLRM cables – blue (2 ft; 61 cm), 2 XLRF to XLRM cables – red (2 ft; 61 cm)