System Signal Connections And Level Settings - BLUE SKY MediaDesk 2.1 Monitoring System Owner's Manual

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System Signal

Connection and Level

Settings

Below are some basic outlines of ways someone may interface MediaDesk with

their audio system. These may or may not apply to your specific application,

but they should be able to show the basic concept for most applications.

CABLE WIRING SPECIFICATIONS

Most users of the MediaDesk system will be using ready made

cables, however if you need to wire your own cables, follow the

wiring specifications below.

XLR INPUTS (ELECTRONICALLY BALANCED)

Figure 2: shows the XLR inputs being fed the output of a standard

pro audio mixer. The MediaDesk XLR inputs can handle up to

+24dBu of signal level at the input and are compatible with most, if

not all professional gear. If your mixer has TRS outputs, you should

purchase TRS to XLR cables (found at most pro audio retailers) and

feed the XLR input. We recommend this because, TRS outputs are

also balanced signals and you should use them with the XLR input

(as apposed to the RCA input) for the best performance.

INPUT ATTENUATOR SWITCH (XLR INPUTS ONLY)

Figure 4: Certain professional audio devices have a great deal

of electrical output and gain (up to +24dBu) and under certain

conditions it may not be advantages to reduce the output gain

from your source (such as with a D to A converter). Under these

conditions we recommend that you switch the input switch to the

+24dBu setting. However, if you are not running the signal into the

XLR input at a high level and you are interested in more gain from

the monitoring system or you want to match the voltage sensitivity

of our other products, then set the switch to the +12dBu position.

RCA INPUTS

Figure 3: The RCA inputs on MediaDesk are compatible with a

myriad of consumer and computer audio gear, such mixers, CD

players, Hi-Fi pre-amps etc. Figure 3 shows another common

application, the RCA inputs on MediaDesk being fed by the output

of a standard computer sound card. This requires the use of an

optional adaptor cable, to go from the 3.5mm stereo jack to two

RCA outputs. These cables are available from most electronic

retailers, computer stores and pro audio dealers. Consult the

manual or help files that came with your sound card for specific

setup information. Please confirm that the software setting are not

constraining or limiting the response of the system in any way (often

an issue with laptop computer audio settings).

Speaker Level Outputs / SAT speaker level inputs

Figure 5: This drawing shows the proper way to insert bare wire

into the binding posts which are on the subwoofer outputs and

SAT inputs. When inserting bare wire, please make sure that

there are no strands protruding out that may create a short-circuit.

These binding posts are compatible with wire gauges up to

approximately 10 gauge.

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System Signal Connections And Level Settings - BLUE SKY MediaDesk 2.1 Monitoring System Owner's Manual

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