Behringer SRC2000 Bedienungsanleitung PDF herunterladen (Seite 19)

EURORACK MX1804X

but is used to split up and send one audio signal (e.g. Aux Send) to several destinations (e.g. effects devices).

4.3.3 Half-normalled

Fig. 4.2: Patchbay mode “half-normalled”

In this configuration, the contacts of the two jacks on the rear are interconnected. When you insert a plug into the

upper front jack, the signal routed through the rear path is not interrupted. Only when the lower front jack is used

will the rear panel route be split up, so that the two upper and the two lower phone jacks are connected to one

another. This configuration is called “input break” and is used mainly for insert paths. So you can easily patch the

signal from a mixing console channel at the Patchbay without interrupting the signal flow in the channel.

4.3.4 Normalled

Fig. 4.3: Patchbay mode “normalled”

Here, and in contrast to the “half-normalled” setup, the signal route of the rear phone jacks is interrupted when

you insert a plug both into the upper and lower front jacks.

4.3.5 Open

Fig. 4.4: Patchbay mode “open”

This mode is used to connect devices such as sound modules or CD players having no inputs of their own. This

saves space, as you can route the left and right outputs to one module (left - top; right - bottom) or patch two

devices to one module (top and bottom). Effects devices and 2-tracks can be configured this way, so the inputs

and outputs are positioned on top of each other.

Basically, the inputs are routed to the bottom and the outputs to the top rear-wall connectors. Avoid routing

digital signals over a patchbay as the pulse signal used for the transmission of such signals causes heavy

interference in analog signals. Additionally, normal patchbays change the impedance of the digital cable route,

which causes interference in the digital path. Use the BEHRINGER ULTRAMATCH SRC2000 specifically

designed for this and other digital signal-related functions.

Microphone inputs operate at a level several orders of magnitude lower than line levels (+4 dBu or -10 dBV).

Therefore, they should never be routed via a patchbay. In any case, patching in a field with 48 VDC (phantom power)

flying about is to be avoided at all costs. It is best to plug mics directly into the mixing console or via special XLR-type

wall boxes connected to the mic inputs of the console by good-quality balanced multicore cables (2-cond. + shield).

4. APPLICATIONS

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