Cloud CX163 Manuale di istruzioni - Pagina 6
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Stampa la paginaArchitect's and Engineer's Specification
The mixer shall be equipped with six unbalanced stereo music inputs
on rear panel phono sockets (RCA jacks), one electronically balanced
microphone input, two main zone (L & R) electronically balanced
outputs and one electronically balanced mono utility output, all on
rear panel multipin connectors.
The mixer shall have two stereo channels designated Zone 1 and
Zone 2. Except where indicated below, the channels shall be identical.
The microphone input shall be mixed and summed with the music
input selected in each channel separately. Each channel shall have
its own front panel microphone level control. The music input to
each channel shall be selected by 6-position front panel rotary
switches. It shall be possible to control the level of the music source
independently of the microphone levels in each channel.
Each music input and the microphone input shall also have a rear
panel input sensitivity control. Independent 2-band equalisation
adjustment shall be provided on the rear panel for i) the music
signal in each mixer channel and ii) the microphone input. Phantom
power shall be available at the microphone input when selected by
an internal jumper.
A control input shall be provided to activate the microphone input
by external contact closure, with separate routing to each mixer
channel. It shall be possible to configure the mixer such that this
function is overridden and the microphone input is always active.
It shall also be possible to configure the mixer to perform the
following functions: i) detection of a signal on the microphone input
will automatically reduce the music level by 30 dB, ii) one line input
will automatically override all others when a signal is present in
Channel 1, even if unselected.
Issue_1.0
Optional remote control panels shall be available to permit control
of music level in either mixer channel; it shall be possible to retrofit
these to the mixer at any time. The remote control panels shall
connect via a rear panel multipin connector. It shall be possible to
disable the front panel music level controls by moving an internal
jumper. An external control input shall be provided to allow muting of
the music source by a fire alarm or other external emergency system
via isolated, 'volt-free' contacts, and this input shall be configurable to
respond to either a short or open external circuit.
The mono utility output shall be configurable internally to i) follow
whichever music source is selected to either mixer channel, or ii)
to be permanently fed with a mono sum of one line input; this line
input will not be the same one that can be set to have priority over
the other line inputs. If the utility output is selected to follow the
music signal in ,mixer channel 1, and the priority line input feature is
enabled, the priority line input will also feed the utility output when
the input becomes active. The microphone input shall also be mixed
into the utility output and it shall be possible to set the microphone
level at the utility output independently of that at the main outputs
with a rear panel control.
The mixer shall accept internal Bose® Series IIS plug-in equaliser
cards to permit use with compatible Bose® loudspeakers. It shall be
possible to fit these in any or all of the main or utility outputs.
The mixer shall be built in a 1U steel chassis for mounting in a
standard 19" rack. The mixer will be fitted with a front-panel
power switch with LED indication. Two mains supply variants shall
be available: 230 V or 115 V. Mains supply shall be connected via a
detachable IEC cable.
The mixer shall be the Cloud CX163; the optional remote control
panel shall be the Cloud RL-1.
C l e a r l y b e t t e r s o u n d
E&OE