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Summary of Contents for Cloud CX261 I
- Page 1 CX261 MP3/ZONE MIXER Installation and User Guide...
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Page 3: Table Of Contents
Contents Contents Technical Specifications ......14 General Specifications ........ 15 Safety Information ........4 Location of Internal Jumpers and Safety Notes Regarding Installation ....... 4 Connectors........... 15 Conformities ............... 4 Factory Default Jumper Settings ......16 Safety Considerations and Information ....4 Notes ............ -
Page 4: Safety Information
Safety Information Safety Considerations and Information The unit must be earthed. Ensure that the mains power supply provides an effective earth connection using a three- Safety Notes Regarding Installation wire termination. • Do not expose the unit to water or moisture. When the mains switch is in the off position the live •... -
Page 5: General Description
(VOX) or short-to-ground access connections, MIC 1 may have The Cloud CX261 is a 1U rack-mounting stereo audio mixer priority over MIC 2, one line input may have priority over intended for use in multi-use areas where simple control of... -
Page 6: Front Panel Description
fig.2: CX261 Front panel Front Panel Description MUSIC SOURCE – selects one of Music inputs SIGNAL INDICATOR – 3 LEDs (green/yellow/red) L1 to L6 indicating level of MP3 input MUSIC LEVEL – adjusts level of selected Music input MIC 1 LEVEL – adjusts level of Mic input 1 LOCAL/REMOTE LED –... -
Page 7: Music Inputs
Mono mode is enabled by moving internal jumper J4 from Remote Control of Music Source and Level ‘STEREO’ to ‘MONO’. The CX261 is compatible with the Cloud RSL-6 and RL-1 In mono mode, the two LEFT and RIGHT main outputs will remote control wallplates, permitting control of music level carry identical programme at the same level. -
Page 8: Music Limiter
Front panel MP3 input Music Limiter The music channel of the CX261 incorporates a limiter To facilitate easy connection of digital audio devices such as circuit to help prevent inadvertent overloading of portable MP3 players or laptop computers, a 3.5 mm stereo subsequent power amplifier input stages and ultimately, the jack socket is provided on the CX261’s front panel ( installed loudspeakers. -
Page 9: Microphone Inputs
CX261 to be interfaced to single-zone paging shown below. Note that if using an unbalanced microphone, mics such as the Cloud PM1. The access contacts work on pins 1 and 2 should be connected together. the short-to-ground system, which is compatible with the majority of paging microphones. -
Page 10: Microphone Priorities
full electrical isolation from the telephone system, together Microphone Priorities with an independent gain control stage. The microphone inputs on the CX261 may be configured so The audio (or “paging”) output of the phone system should that when they are in use, they take priority over the music be connected to the MIC 1 input in the normal way. -
Page 11: Main Outputs
Main Outputs Auxiliary/MOH Output The main LEFT and RIGHT outputs on the CX261 are The MOH (Music On Hold), or auxiliary output, provides a electronically balanced and can operate into loads down to transformer-isolated L+R mono sum of the music channel. 1.2 kΩ. -
Page 12: Music Mute (Fire Alarm Interface)
In either case no microphone signals are present at the Installation Instructions auxiliary/MOH output, thus announcements made via the Refer to the PCB layout diagram (see page 15) for the microphone inputs do NOT interrupt music programme at location of the Bose® EQ module connectors. Note that this output, regardless of any priority settings. -
Page 13: General Notes
General Notes Ventilation The CX261 generates very little heat in normal operation and is cooled by natural convection. However, note that there EMC Considerations are ventilation holes on the bottom cover, and these should The CX261 fully conforms to the relevant electromagnetic never be covered or obstructed. -
Page 14: Technical Specifications
Technical Specifications Line Inputs Specifications Frequency Response 20 Hz-20 kHz, ±0.5 dB Distortion <0.05% typical, 1 kHz Sensitivity 0.775 V (0 dBu), ±12 dB Input Gain Control 24 dB range Input Impedance 48 kΩ Headroom >20 dB Noise (rms) -88 dB rms typical, 20 Hz-22 kHz Equalisation LF: ±10 dB 50 Hz, HF: ±10 dB 10 kHz MP3 Input... -
Page 15: General Specifications
General Specifications Specifications Power Input 230 V ±10% Fuse Rating T100 mA 230V Fuse Type 20 mm x 5 mm 250 V Dimensions (mm, W x H x D) 482.6 x 44 (1U) x 152.5 Weight (kg) 2.15 Location of Internal Jumpers and Connectors. SUB-BOARD SUB-BOARD ®... -
Page 16: Factory Default Jumper Settings
Factory Default Jumper Settings JUMPER FUNCTION SETTINGS DEFAULT OFF = no phantom power MIC 1 phantom power ON = +15 V phantom power OFF = no phantom power MIC 2 phantom power ON = +15 V phantom power 3S = 3 secs release time L6 priority release time 6S = 6 secs release time OFF = 12 secs release time... -
Page 17: Notes
Notes CX261 User Manual v1.0... - Page 18 CX261 User Manual v1.0...
- Page 19 Bose® is a registered trademark of The Bose Corporation. In the interest of continuing improvements Cloud Electronics Limited reserves the right to alter specifications without prior notice. CX261 User Manual v1.0...
- Page 20 Cloud Electronics Limited 140 Staniforth Road Sheffield S9 3HF England Tel: +44 (0)114 244 7051 Fax: +44 (0)114 242 5462 email: info@cloud.co.uk web: www.cloud.co.uk...
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