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A great example of APx’s interactive
capabilities being put to good use. Using the
APx API and its ability to call third-party
applications, Audio Precision has written a
utility that allows APx to control the Active
LoadBox dynamic load tester. The Active LoadBox
is developed by AudioGraph and it’s a very
useful instrument if you want a real-world view
of your power amplifier designs.
Audio Precision’s APx Active LoadBox
Utility integrates APx with Audio Graph’s
Active LoadBox for automated and
comprehensive power amplifier load
measurements. This month we explore.
The importance of
making reactive load measurements
Measuring a power amplifier under both
resistive and reactive load conditions is an
essential part of the design process.
Resistive load testing is commonly done by
designers, and involves hooking a power
amplifier up to non-inductive load
resistors. It’s used to derive the power
output ratings seen on specification sheets.
Read more
Download the Audio Precision TST
Newsletter of March 2010 where Bruce
Hofer, Chairman & Co-Founder, Audio
Precision, describes how the AudioGraph
Aactive LoadBox and the Audio Precision’s
APx Active LoadBox Utility produces
automated and comprehensive power amplifier
load measurements
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