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INSTALLATION
Rack mounting
The feedback exterminator is built for 19" racks/483mm. The minimum mounting depth is housing depth plus
100 mm for plugs and cables. The height is 44 mm only. You can fix the feedback exterminator with four
screws M6 in the rack.
When mounting the feedback exterminator into a rack, please make sure that there is a proper air circulation.
Please make sure that there is enough space around the device so that the heated air can be passed on.
The rack should be provided with a cooling fan.
Inputs
A good cable run improves the sound quality remarkably. Input cables should be short and direct, since high
frequencies will be mostly be absorbed if the cables are unnecessarily long. Besides that a longer cable may
lead to humming and noise trouble. If long cable runs are unavoidable, you should use balanced cables.
The inputs of your OMNITRONIC DFE-212 are equipped with XLR and ¼" jack-sockets.
Outputs
The high damping factor of your feedback exterminator supplies a clear sound reproduction. Unnecessarily
long and thin cables will influence the damping factor and thus the low frequencies in a negative way. In
order to safeguard good sound quality, the damping factor should lie around 50.
The outputs of your OMNITRONIC DFE-212 are equipped with 6.35 jacks and XLR-connectors.
The occupation of the XLR-plugs is as follows:
PIN 1 = Shield
PIN 2 = Signal +
PIN 3 = Signal -
The occupation of the 6.35 jacks is as follows:
TIP = Signal -
RING = Signal +
SLEEVE = Shield
Connection with the mains
Connect the device to the mains with the enclosed power supply cable.
The occupation of the connection-cables is as follows:
Cable
Pin
Brown
Live
Blue
Neutral
Yellow/Green
Earth
The earth has to be connected!
If the device will be directly connected with the local power supply network, a disconnection switch with a
minimum opening of 3 mm at every pole has to be included in the permanent electrical installation.
International
L
N
18/22
10356510_V_1_0.DOC
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