Cadac S-Type - Manual (Page 7)

System overview 1-1
Revision S2005-6 S-Type
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Mixing consoles comprise of a number of input channels and output groups with
associated faders, monitoring and control functions. When module positions are
fixed in relation to the frame structure, various operational compromises may occur.
The S-Type console system allows for any module to be placed into any frame posi-
tion and to change the number of frames associated with the system to increase or
decrease the number of input channels and output groups to meet the needs of a
particular project. Please be aware that the console needs to be turned off before
any reconfiguration can be carried out.
There are three S-Type frames offering either 17, 25 or 33 module positions (slots).
Each frame has provision for main and backup power supply inputs and any two
adjacent frames have full audio bus and control function interconnection via 3 x 37-
way D-type connectors for multiple frame connectivity.
The S-Type frame provides a total of 20 balanced busses - 8 sub-group busses, 1
dedicated stereo bus, 6 mono busses, 2 stereo auxiliary busses, 8 matrix busses
and PFL. A further 8 matrix send busses and a stereo listen bus are provided.
Standard channel VCA faders can access up to 8 VCA master faders.
The S-Type is designed to comply with following standards: EN55103-1:1997,
EN55103-2:1997, EN60065:1998.
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The S-Type frame is constructed from 1.6mm Zintec, fixed to 4mm aluminium end
profiles. This construction allows multiple frames to be positioned so that modules
are almost adjacent. Internal audio bussing is balanced and uses ribbon cables.
The rear panel of the frame contains outputs for the stereo master, plus insert sends
and returns for the same. Two PSU input connectors are provided - one for main and
for the backup supply. Power rail LEDs are provided for each PSU input. The S-Type
frame also incorporates two Littlite connectors in addition to fan and Littlite fuses. A
headphone jack is provided on the front of the frame.
The three standard frame sizes enable a vast variety of configurations to be
achieved. For example:
17 slot frame: 8 mono input channels, 8 output groups and 1 stereo master
25 slot frame: 16 mono input channels, 8 output groups and 1 stereo master
33 slot frame: 24 mono input channels, 8 output groups and 1 stereo master
Note: The choice is yours, a 33 slot frame could be configured as follows:
20 mono input channels, 8 stereo input channels, 4 output groups and 1 stereo mas-
ter.
By bus linking multiple frames together, larger configurations can be achieved. For
example:
Two 25 slot frames:
40 mono input modules, 1 stereo input module, 8 output groups and 1 stereo master.
One 25 slot frame and one 33 slot frame:
48 mono input modules, 1 stereo input module, 8 output groups and 1 stereo master.
Three 25 slot frames:
56 mono input modules, 10 stereo input modules, 8 output groups and 1 stereo mas-
ter.
The module electronics are cooled via internally mounted silent fans.