AP - The Recognized Standard In Audio Test


USB APIB Adapter

APIB with cables

For AP 2700 Series, System Two Cascade Plus, System Two Cascade, ATS- 2, and various accessories (switchers, DCX-127, PSIA). All APx Series analyzers are connected directly to the control PC by USB and do not need the adapter, though APx uses the USB adapter to control switchers from APx.

  • Adapter to connect APIB interface on AP instrument to controlling PC via USB rather than an APIB card installed in the PC.
  • Includes USB cable, DB-25 APIB cable and software discs.
  • Select option "USB interface" when specifying new instrument or to order separately for existing systems request the "USB-APIB Adapter" from Sales Partner.
  • Requires AP2700 v3.30 or ATS v1.60 or later, so it will not work with analyzers earlier than System Two Cascade.

The USB-APIB adapter includes both a USB cable and a 2 meter APIB interface cable, used to connect the interface adapter to the instrument and to daisychain accessories such as the PSIA, DCX-127, or switchers. Additional cables of different lengths are also available.

Test Discs

These CD and DVD test discs all contain signals appropriate for measuring frequency response, THD+N versus frequency, and at least one form of intermodulation distortion. Most contain signals suitable for interchannel phase, stereo separation, noise, and signal-to-noise ratio measurements; most also contain some unique signals. Some CDs have “glide tone,” signals continuously swept across the spectrum, permitting frequency response and interchannel phase versus frequency measurements with the greatest resolution.

DSK-JAS: Japan Audio Society DVD-V1

This DVD test disc includes test signals in PCM mode at 48 kHz/24 bit and 96 kHz/24 bit. It also includes Dolby Digital Surround 48 kHz 5.1 channel test signals and dts Digital Surround 48 kHz 5.1 channel test signals. Over 42 tracks.

DSK-NAB: NAB Broadcast and Audio System Test CD, vol. 1

Several test signals useful to broadcast and audio test engineers, including special FM and TV test signals.

DSK-PHI: Philips Audio Signals Disc 1 SBC429

Includes several audio signals useful in measuring the performance of a compact disc player. The CBS and Philips discs provide fixed-frequency signals over a wide amplitude range for measuring distortion versus amplitude and linearity; the Philips SBC429 provides the most amplitude levels. Download the detailed track list.


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