Key features 11
PRO Series Live Audio Systems
Owner’s Manual
• Reliability — High reliability with some redundancy and other back up
contingencies.
• Failure-tolerant of any single failure of hardware or software.
• Proven, stable Linux operating system.
• Dual redundant control surface master controllers and N+1 redundant PSUs.
• Duplicated (N+1) network for redundancy.
• Control centre has triple redundant power supplies.
• DL251 Audio System I/O (stage box) has dual redundant power supplies.
• DL351 Modular I/O (stage box) has dual redundant power supplies and N+1
redundant AES50 connections at the digital interface.
• DL371 Audio System Engine (stage box) has N+1 (optional) modules with three
(N+1) power supply units (PSUs).
• DL431 Mic Splitter (stage box) has dual redundant power supplies.
• DL451 Modular I/O (stage box) has N+1 redundant AES50 connections at the
digital interface.
• Support — 24/7 global telephone support.
The following table shows the differences between the PRO Series systems.
Table 1: PRO Series comparison
Item PRO3 PRO6 PRO9
Configuration:
Maximum capacity,
giving point-to-point
routing anywhere
within the network
Inputs = 288
Outputs = 294
Inputs = 288
Outputs = 294
Inputs = 288
Outputs = 294
Primary inputs 48 56 80
Return inputs 8 8 8
Maximum
simultaneous mix
channels
72 80 104
Number of
groups/auxes
16 16 16
… and matrices 8 16 16
… provide these mixes
in ‘monitor’ mode
24 32 32
Mix buses273535
VCAs 10 10 10
POPulation groups 6 6 6
Effects devices 6 8 8
Maximum Klark
Teknik DN370 Graphic
Equalisers - with
optional DN9331
control
28 36 36
Configurable ‘area B’ Yes Yes Yes
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