Crown-audio DCi Series – Analog Input Models Bedienungsanleitung PDF herunterladen (Seite 10)

DCi Series Power Ampliﬁers

Operation Manual

page 10

Dual Mode Hi-Z (70V/100V)

Typical input and output wiring, along with Attenuator and Mode DIP Switch settings are shown in Figure 8. Make sure the “Hi-Z” selector switches are in the ON (up)

position and the Bridge (BRG) switch is in the OFF (down) position. A 35Hz high pass ﬁlter is selected automatically when the ampliﬁer channel is in Hi-Z or Bridged Hi-Z

mode. The ﬁlter can be changed to 70Hz, please contact your local Crown service center for detailed instruction for this modiﬁcation. Remember, DCi ampliﬁers allow each

channels Hi-Z or Low-Z mode of operation to be selected independently, while 70V/100V selection is global.

NOTE: For 70V systems, be sure that Global DIP Switch A is in the OFF position. For 100V systems, be sure that Global DIP

Switch A is in the ON position.

INPUTS: Connect the input with wiring in place for each channel. If the same signal is to drive both outputs of a channel pair (“mono”), the signal must be split externally

and applied to both inputs.

OUTPUTS: Connect the outputs as shown to a Hi-Z (70V / 100V) loudspeaker system.

Figure 8 System Wiring for 70V/100V Operation

Always route the input and output wires in separate bundles.

Set-up and System Conguration

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