Cambridge Audio AZUR 651C Settings

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Cambridge Audio AZUR 651C Settings - Page 1
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651Cazur
651C Digital filter settings
Pages 9 and 10 of the 651C user manual describe the digital filter settings of the 651C – Linear, Minimum and Steep.
Since the 651C first went into production, we have revised the filters slightly. As the user manual was printed after this first production
run of CD players, pages 9 and 10 do describe the later lter options (Linear, Minimum and Steep). Early 651C models will actually have
5 filter settings instead of the later 3. These are Fltr1, Fltr2, Fltr3, Fltr4 and Fltr5 which are each user selectable.
In the later revision we simply used 3 of these 5 filter options and discarded 2, as detailed below;
Filter labels in Firmware...........................................................................Filter labels in the Manual
Fltr 1.....................................................................................................................Linear
Fltr 2.....................................................................................................................Minimum
Fltr 3
Fltr 4.....................................................................................................................Steep
Fltr 5
So, on early 651C models, to select the correct digital filter (Linear, Minimum or Steep) as described in the user manual either Fltr1, Fltr2
or Fltr4 should be selected via the 651C setup menu.
Fltr3 and Fltr5 were removed in the later revision as we felt that this extra level of adjustment was unnecessary.
It should be noted that other than the removal of 2 filters and renaming of the remaining 3, there are no other functionality or
performance differences in the later firmware revision.