Input And Output Level Considerations - Marani CLP-260 User Manual

Digital speaker processors
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Input and Output Level Considerations

The Input and Output levels of the CLP260 can be adjusted by a couple of
Analog Potentiometers.
Due to the fact that the potentiometers are operating in the analog
domain, before the A/D converter ( Input Level) and after the D/A
converter (Output Level) there is not an absolute and fixed relation
between the Input and Output Levels and the levels in front of the A/D and
after the D/A converters.
Need therefore to provide the user some "Absolute" reference in terms on
Input level and Output level, in order to clarify first what are the Max
Absolute Input level, which cannot be exceeded without getting an Op-
Amp clip, no longer recoverable by any Digital operation.
In order to help the user in understanding clearly the following
paragraphs, need to refer to the "Input Level" and "Output Level" pictures,
replicating the Input and Output Potentiometers' grids with a more
precise detail:
Fig A
Fig B
The figures A/B are showing in details the possible positions of the
potentiometers controlling the Analog Input and Output Level.
Referring then to the above precise divisions of the available range
between the MIN and MAX position of the potentiometers, the Max Analog
Input/Output levels can be understood, so as the can be found the proper
setting for the best use of the RMS Compressor.
8

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