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Duality SE Installation Guide
Section 4 System Installation
Audio Connections – No Patchbay
All audio connections are made at the rear of the console. The majority of line level input and output connections are
made using high quality 25-pin D-type female connectors – some ancillary circuits are accessed using 1/4” jack and XLRs.
All Microphone inputs are via 3-pin XLR female connectors.
• All audio circuits are balanced.
• All cable screen pins are connected to the console chassis.
• All XLRs are wired using pin 2 as the non-inverting leg (‘2-hot’).
• The binding posts for the 25-way D-type connectors use the UNC 4-40 thread.
The audio cabling for the channel bays can be routed down the back of the nearest leg; it is possible, with care, to locate
all cabling for a 48-channel console within one leg. The Centre section cabling can be routed down its own leg or split
between the nearest channel bays.
Refer to Appendix C page 44 for the connector pinouts.
Channel connections
The I/O connectors for each 24-channel bay are arranged into three repeating 8-channel groups. Each group consists of
five D25 and 8 XLR female connectors.
The connectors for each group are allocated as follows:
Channel Outputs D25 female Channels direct outputs
Key Input D25 female External access to the channel dynamics sidechain
Insert Send D25 female
Insert Return D25 female
Monitor Input D25 female Line level input to channel/monitor path
Channel Input XLR 3-pin Female (8) Microphone or 2nd Line level input
Centre section Connectors
The connectors are allocated as follows:
Ext A (1–4) D25 female (4) Four independent 6-channel inputs
Ext B 1–4 D25 female Four independent stereo inputs
Insert Send/Return D25 female (2) 6ch + Lt/Rt Monitor insert point
Meter Out D25 female Main 6ch + Solo meter feeds
Mon A D25 female Main 6ch + Mini-A loudspeaker feeds*
Mon B D25 female Alt 6ch + Mini-B loudspeaker feeds*
Bus 1–8 (9/16, 17/24) D25 female (3) 24 track outputs
Cue/FX Bus Out D25 female 2 stereo and 4 mono feeds
Echo Returns 1–4 D25 female 2 stereo inputs
Mix Insert send/return D25 female (2) 6ch + stereo mix insert point
Main Mix Outputs D25 female 6ch + stereo mix out
F/B A and B LR 1/4” balanced jack (4) Foldback A and B sends
Mini A and Mini B XLR 3-pin male (4) Mini LS A & B sends*
Osc out XLR 3-pin male (4) Oscillator feed
Listen/TB Mic in XLR 3-pin Female (2) Listen and Talkback Microphone inputs
Listen/TB Mic out 1/4” balanced jack (2) Listen and Talkback Microphone feeds
*Mini A and B feeds are duplicated on D25 and XLR connectors.
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