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Summary of Contents for Cloud CXV225NA
- Page 1 CXV225NA & CXV425NA AMPLIFIERS CXV425 4 CHANNEL 70V LINE AMPLIFIER PROTECT PEAK SIGNAL POWER PROTECT PEAK CXV225 SIGNAL POWER 500W STEREO 70V LINE AMPLIFIER Installation and User Guide...
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Page 3: Table Of Contents
General Notes ..........11 EMC Considerations ..........11 Earthing ..............11 Technical Specifications ......12 General Specifications ........ 12 Location of Internal Jumpers and Connectors........... 13 CXV225NA connector and jumper details ..13 CXV425NA connector and jumper details ..14 CXV225NA & CXV425NA User Manual v1.0... -
Page 4: Safety Information
The product conforms to the following European electrical safety standard: BS EN 60065:2002 The CXV Series was developed and manufactured with high quality materials and components, which can be recycled and/or reused. CXV225NA & CXV425NA User Manual v1.0... -
Page 5: General Description
General Description Applicable Models This manual describes the installation and operation of the The Cloud CXV225NA and CXV425NA are high power following models: (250 W/ch), multi-channel audio amplifiers intended for use with high quality PA and background music systems in offices, •... -
Page 6: Front Panel Description
POWER LED (18 dB below maximum output) AIR INTAKE GRILLES PEAK LEDs (one per channel) – illuminate if maximum output voltage is reached (70 V PROTECT LEDs (one per channel) – indicate fault conditions CXV225NA & CXV425NA User Manual v1.0... -
Page 7: Rear Panel Description
OUTPUTS. fig.4: CXV425NA Rear panel showing output terminal cover 120VAC±5% ONLY. fig.5: CXV225NA Rear panel showing output terminals Rear Panel Description INPUT CONNECTORS (one per channel) AC MAINS CONNECTOR INPUT LEVEL CONTROLS (one per channel) EARTH SAFETY TAG MAINS FUSE... -
Page 8: Installation
Control of input level is provided by a preset rotary control adjacent to each input connector. The control The CXV225NA has a single fan mounted internally to keep should be adjusted using a trim tool or small screwdriver. noise to a minimum. -
Page 9: Remote Control Of Level
CH 4 Remote Control of Level The CXV225NA and CXV425NA amplifiers are compatible with standard Cloud remote control plates type RL-1 Series, CXV225NA allowing control of level from a remote position. In order to use the amplifiers with the RL-1, VCA cards must first be fitted in the channels to be controlled remotely. -
Page 10: Protection
This is to prevent any voltage VCA Cards (optional) spikes due to start-up conditions from damaging the Cloud VCA-5 modules must be fitted to the CXV225NA loudspeakers. The protection circuitry automatically times and CXV425NA amplifiers if remote control of audio level out after approx. -
Page 11: Loudspeaker Equalisation Modules (Optional)
When several mains powered units are connected together via their signal cables, there is a risk of one or more earth The CXV225NA and CXV425NA may be optimised for loops which may cause an audible hum on the system even use with certain popular installation speakers from various with the gain controls set to minimum. -
Page 12: Technical Specifications
Power Input 120 V ±5% Fuse Rating 120 V, 8 A (CXV225NA)/10 A (CXV425NA) Fuse Type T8A (CXV225NA)/ T10A (CXV425NA), 20 mm x 5 mm 120 V General Specifications CXV225NA CXV425NA Inputs Electronically balanced; 3-pin 2.5 mm-pitch plug-in screw terminal connectors... -
Page 13: Location Of Internal Jumpers And Connectors
Internal jumpers - CXV225NA MODEL PCB REF Function Default Setting CON1 CH1 VCA CARD CON3 CH2 VCA CARD CON9 CH1 EQ CARD CXV225NA CON10 CH2 EQ CARD CH 1 EQ CARD BYPASS CH 2 EQ CARD BYASS CXV225NA & CXV425NA User Manual v1.0... -
Page 14: Cxv425Na Connector And Jumper Details
CON5 CON6 CH2 EQ CARD CXV425NA CH3 EQ CARD CON15 CH4 EQ CARD CON17 CH 1 EQ CARD BYPASS CH 2 EQ CARD BYPASS CH 3 EQ CARD BYPASS CH 4 EQ CARD BYPASS CXV225NA & CXV425NA User Manual v1.0... - Page 15 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. CXV225NA & CXV425NA User Manual v1.0...
- Page 16 Cloud Electronics Limited Cloud Electronics USA 140 Staniforth Road 2065 Sidewinder Drive, Suite 200 Sheffield S9 3HF Park City England Utah 84060 Tel: +44 (0)114 244 7051 United States of America Fax: +44 (0)114 242 5462 Toll Free: 0855 810 0161 E-mail: info@cloud.co.uk...
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