Cloud CX261 I Manuel d'utilisateur

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CLOUD CX261 Single Zone Mixer
All Cloud products are exclusively designed in the UK.
Every Cloud product is exhaustively tested for electronic performance and sonic perfection in Shefeld, England.
General Description
The Cloud CX261 is a 1U rack-mounting stereo audio mixer
intended for multi-purpose areas where simple control of high-
quality background music needs to be combined with a exible range
of paging options.
The CX261 mixes any one of six stereo line inputs with one or two
microphone inputs. Separate front panel controls for music source
selection, music level and mic levels are provided. Either music level
only, or music source and level may be controlled remotely if wished
using standard Cloud RL or RSL Series remote control plates. In
addition to the main stereo output, there is a transformer-isolated
mono auxiliary output which is suitable for providing a MOH (Music
On Hold) output to a telephone system. All outputs are balanced at
line level.
Line 1’s input may be switched (on the rear panel) to an alternative
front-panel 3.5 mm jack connector, to permit convenient connection
of an MP3 player, laptop or similar portable audio source. A front
panel LED conrms its selection. This input is provided with an
independent front panel gain control and LED signal level indication.
The CX261 is fully compatible with the Cloud PM Series of paging
microphones. The mixer may also be congured to operate with
third-party paging systems: either mic input may be enabled via a
simple short-to-ground access connection. This may be bypassed if
wished, in which case the mic inputs are always active. A switchable
isolating transformer congures MIC 1 input for direct connection
to a telephone system, enabling paging messages to originate from
an extension. Mic-over-music priority (Automatic Voice-Over) may
be selected by internal jumper, and may be triggered either by the
access connector or automatically by a mic signal (VOX mode).
Additionally, MIC 1 may be set to have priority over MIC 2. Phantom
power is available at either mic input (set by internal jumper). Bi-
colour LEDs indicating signal level are tted to the rear panel to aid
mic gain adjustment.
Line Input 6 may be set to have priority over any other selected
music input to facilitate connection of a jukebox, digital sound store
or similar device. One of three release times (up to 12 seconds) may
be selected by internal jumper, to unobtrusively restore the original
music source.
EQ cards to suit a range of popular installation loudspeakers from
various manufacturers may be tted to either or both channels of
the main output. In common with most Cloud products, a Music
Mute Input is provided, which may permit compliance with local Fire
Authority regulations; the microphone inputs remain active when
the Music Mute is applied.
Versatile stereo mic/line mixer for installed audio applications
Six (unbalanced) stereo line inputs with individual gain controls
Two electronically-balanced mic inputs
Front panel control of music source/level and both mic levels
Front panel input (3.5 mm jack) for MP3 player, etc., with gain
control (overrides rear panel LINE 1 input) and LED level
indication
Separate HF & LF EQ adjustments for music and mic sources
MIC 1 input congurable as transformer-isolated line input
(with separate gain control) for connection to phone system
MIC 1 priority over MIC 2 (selectable)
Short-to-ground access connector or VOX-triggered voice-
over-music priority on both MIC 1 and MIC 2 inputs
Selectable LINE 6 priority with choice of release times
Music Mute control input (N/O or N/C) for interface to
emergency system
Compatible with standard Cloud remote control plates – RL-1
Series (music level) and RSL-6 Series (music level and source
selection)
Electronically-balanced stereo main output
Mixer can be congured by internal jumper for mono operation
Transformer-isolated mono auxiliary output for use with
telephone MOH systems
Aux output source selection (internal jumper) – follows main
output or always LINE 2
Optional speaker EQ cards available
1U 19” rack mounting unit
Cloud CX261 - rear panel view
Cloud CX261 - front panel view
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Résumé du contenu

Page 1 - CLOUD CX261 Single Zone Mixer

Clearly better soundCLOUD CX261 Single Zone MixerAll Cloud products are exclusively designed in the UK.Every Cloud product is exhaustively tested fo

Page 2 - Block Diagram

Clearly better soundBlock Diagram

Page 3 - System Example

Clearly better soundThe example shows a CX261 used to provide stereo music, announcements and paging in a multi-purpose area. The area can

Page 4 - Technical Specications

Clearly better soundTechnical SpecicationsLINE INPUTSFrequency Response 20 Hz - 20 kHz, ±0.5 dBDistortion <0.05% typical, 1 kHzSens

Page 5 - Performance Graphs

Clearly better soundPerformance Graphs-20+4-18-16-14-12-10-8-6-4-2-0+2dBu20 20k50 100 200 500 1k 2k 5k 10kHzCX261 - MOH Frequency ResponseColorSweep

Page 6 - Cloud Electronics USA

Clearly better soundE&OEIssue_1.0Architect’s and Engineer’s SpecicationThe mixer shall be equipped with six unbalanced stereo music inputs on r

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