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5
2x6 DA Plus Installation and Operation Manual
INSTALLATION
Installation/Operation
Power
Connect the supplied PS-1515 power supply’s 3-pin AMP-style latching power con-
nector to the unit and the +/-15 VDC switching power supply with domestic con-
nector into a 120 Vac 50-60 Hz power source. The Power+ and Power- LEDs will
light to indicate proper supply voltage.
NOTE: Never use any type of power supply other than the specified/supplied power
supply.
Surge Protection
The 2X6 DA PLUS has built-in resistance to voltage changes; we recommend that
you use a power surge protector or line conditioner on the incoming AC line.
Lightning strikes and/or other high voltage surges may damage your 2X6 DA PLUS
and connected equipment if it is not properly protected. For lightning protection
devices, check out www.polyphaser.com and www.itwlinx.com.
UPS Standby Power System
We recommend that you connect your 2X6 DA PLUS to a UPS system. A UPS helps
minimize the risk to the 2X6 DA PLUS and provides power during a power outage.
LED indicators
•
“Power+” and “Power-“ LEDs: Indicate positive and negative power supply.
•
“LT Act” and “RT Act” LEDs: Indicate left and right audio input activity.
Input Connection
Connect your audio source to the DA’s 5-position input terminal block. The input is
labeled: “INPUT” “L-“ “L+” for the left channel and “R-“ “R+” for the right chan-
nel. Connect the cable shields to G (ground) connection. For unbalanced inputs,
install a jumper between the "-" input and G (ground). Single (mono) inputs may be
fed to all output channels by connecting the left and right inputs in parallel.
NOTE: Please verify proper phasing.
Input Level Switch
The input on the 2x6 DA Plus can be switched between two gain ranges using the
rear panel “Input Level” switch. With the switch in the +4 dBu “in” position the
input gain is set to accept a +4 dBu nominal signal. With the switch in the -10 dBu
“out” position 12 db of gain is added to the input to accommodate consumer/low line
level input signals.
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