ACOUSENCE dac-pre MKII Manuel de l'utilisateur - Page 6

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Analog audio connections

If only one analog input is equipped, this analog input pair can be found under

ANALOG IN. If a second analog input is equipped, this analog input pair can be found

under OPTION. The inputs are transformer-balanced as XLR and optionally as RCA

jacks. The RCA jacks are then connected in parallel to XLR. Please always use only one

of the two pairs of connectors (XLR or RCA). The only exception is the phono module;

if equipped. Here there is a switch between RCA and XLR.

The analog output ANALOG OUT outputs the audio signal of the DAC or the selected

analog input signal ANALOG IN or OPTION. The volume is analog controlled. The

output is electrically decoupled by a transformer and ungrounded by default. The XLR

and RCA outputs (the latter optional) are connected in parallel. Again, please use only

one of the two formats (XLR or RCA).

Notes for unbalanced connections via XLR jacks

Since the signals are completely electrically decoupled by the transformers, pin

1/case, pin 2 and pin 3 of the XLR should be used. The connection from pin 3 to the

ground should ideally be made only in the RCA connector. An appropriately

configured connection cable with ideal grounding can be purchased as an optional

accessory. In any case, a solution using an adapter via the XLR jacks should be

preferred over the RCA jacks. The RCA jacks are optional for compatibility reasons.

However, using the XLR outputs always gives better results.