10
5.0
Audio Connections
5.1 Main Inputs
There are 2 input sockets on the rear panel of the 422, Inputs 1 and 2. Each is
electronically balanced on standard 3 pin female XLRs at an impedance
greater than 10k Ohms. The ‘HOT, + or
in phase
’ connection is to pin 2 and
the ‘COLD, -, or
out of phase
’ connection is to pin 3. Pin 1 is internally
connected to the chassis earth via a low value capacitor. This ensures freedom
from ground loops whilst allowing good EMC performance. The screen of the
input cable should be connected to pin 1 to ensure that EMC regulations are
being met, and the cable shield ground should also be connected to the
equipment which is providing the input signal.
When feeding the DPR-422 from unbalanced sources, connect the signal
conductor to pin 2 and the cable screen to pins
1 and 3
. Transformer isolated
inputs are available as a dealer fitted option.
Audio Connections
5.2 Main Outputs
The output signals are electronically balanced and fully floating on 3 pin male
XLRs. Full headroom is available into any load of 600 Ohms or greater. The
signal ‘HOT, +, or
in phase
’ signal is to pin 2, the ‘COLD, -, or
out of phase
’
signal is to pin 3, with pin 1 being connected directly to the chassis.
Fig 5.1
Fig 5.2
Fig 5.3
Summary of Contents for DPR 422
Page 1: ...1 DPR 422 User Manual...
Page 8: ...8 The DPR 422 Fig 4 2 Rear Panel Fig 4 1 Front Panel...
Page 9: ...9 All numbers in bubbles refer to Section numbers...
Page 36: ...36 User Notes...
Page 37: ...37...
Page 38: ...38 User Notes...
Page 39: ...39...
Page 40: ...40 User Notes...
