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1.10 CD12 CONTROL DISTRO PANEL
As an alternative to the traditional ''crossovers-in-a-drive rack-at-FOH'' approach described above,
the CD 12 Control Distribution panel is available for applications where the digital processor is
mounted in the amplifier rack (such as the RK12-2M master rack). A multicore drive snake is not
required allowing the user to send up to 4 channels from the FOH mix position, for example, left
and right program, aux signal for subwoofer drive (optional), RS485 remote control (optional).
For a 3-way stereo applications (dV-DOSC plus subwoofers), patch the left/right program inputs to
the Ch A and Ch B XLR inputs. The male XLR tails on the reverse side of CD12 are then patched to
the corresponding A and B crossover inputs.
Referring to the channel assignment table for XTA DP226 presets, crossover outputs are then
patched as follows:
Crossover
Output
1
2
3
4
5
6
The A OUTPUT CA-COM is patched from CD12 to the SIGNAL INPUT CA-COM of the PAD02
AMP PANEL in RK12-2M using an AMP LINK cable. The B OUTPUT CA-COM is then patched from
CD12 to the PAD02 SIGNAL INPUT CA-COM in RK12-2S using a CROSS LINK cable to get to the
other side of the stage. Finally, 2-WAY and SUB COMB connectors are selected for the amplifier
racks powering subwoofers and dV-DOSC as required.
When using dV-DOSC with V-DOSC in 4-way + 2 mode, patch the V-DOSC and dV-DOSC program
inputs to the Ch A and Ch B XLR inputs (use this approach if you want to run dV-DOSC off a
separate matrix send using the Ch B input). Alternatively, use the parallel loop through connector to
jump from the Ch A input XLR to the Channel B input on CD12 if you want to send the same input
signal to V-DOSC and dV-DOSC. The male XLR tails on the reverse side of CD12 are then patched
to the corresponding A and B crossover inputs. CA-COM A only is used and the following channel
assignments apply:
dV-DOSC dV-SUB Manual V2.0
Figure 20: CD 12 Control Distro Panel
STEREO 3-WAY MODE
Crossover Channel
Assignment
Ch A SUB
Ch A LOW
Ch A HIGH
Ch B SUB
Ch B LOW
Ch B HIGH
Nov 2001
CD 12 Female XLR Tail
CA-COM A SUB
CA-COM A 2-WAY FILL LOW
CA-COM A 2-WAY FILL
HIGH
CA-COM B SUB
CA-COM B 2-WAY FILL LOW
CA-COM B 2-WAY FILL
HIGH
48
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