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User manual for MA evaluation boards
MA2304DNS/MA2304PNS
Operating the demonstration board
3.4
Speaker load
The demonstration board is configured as a filterless amplifier. This means that no LC filter is placed between
the amplifier outputs and the load. In normal use the amplifier relies on the inherent inductance of the
loudspeaker, so no extra inductance is needed.
Inductors for use in series with power resistors are included with the demonstration board. These can be used
when making any measurements without a real loudspeaker as the load, and having no external low-pass filter
(LPF) in front of the audio analyzer input section.
Please note that many audio measurement analyzers do not perform correctly when connected directly to a
filterless amplifier output. Please refer to
User Manual
Section 4
for more information on measurement methods.
12
V 1.0
2022-08-26
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