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Summary of Contents for Cloud CX-A450
- Page 1 CX-A450 Amplifier Installation & User Guide V4.0 Cloud Electronics Limited 140 Staniforth Road, Sheffield, S9 3HF England Tel +44 (0) 114 244 7051 Fax +44 (0) 114 242 5462 E-Mail: info@cloud.co.uk Web site: http://www.cloud.co.uk...
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Page 3: Table Of Contents
CX-A450: Installation and Operation Manual CX-A450 Amplifier Installation and operation manual Contents Section Page Safety Notes ....................... 2 General ....................... 2 Installation......................2 Input Facilities..................... 2 Input Routing Diagrams ..................3 Output Details ..................... 3 100V Line operation.................... 4 Bridged Mode Operation..................4 Status Indicators .................... -
Page 4: Safety Notes
For more detailed information refer to the rear of the manual. General The CX-A450 is a four-channel power amplifier with a typical output of 50 watts per channel into a 4Ω load. The unit features extremely low distortion and low noise together with a high slew rate. -
Page 5: Input Routing Diagrams
CX-A450: Installation and Operation Manual 5 Input Routing Diagrams 4 independent mono amplifiers 4 mono outputs fed from 1 mono input Fig 1 Fig 2 2 stereo amplifier pairs fed from 1 stereo input pair Fig 3 Output Details Four 2-pole plug-in screw terminal type connectors (5mm pitch) are provided on the rear panel for the four speaker outputs;... -
Page 6: 100V Line Operation
CX-A450: Installation and Operation Manual 100V Line operation CXL-40T Wired to Channel 4 SPEAKER OUTPUTS An optional four-channel, internally mounted 40W, 70V/100V-line MINIMUM LOAD 4OHMS OUTPUT RATING 50W/4OHMS transformer module (CXL-4160) is available for the CX-A450. The installer can select 70 or 100V... -
Page 7: Status Indicators
"first channel" output and the negative wire is connected to the "second channel" output (see fig 6). Status Indicators The front panel of the CX-A450 has an array of LED’s that indicate the status of all four channels (see Fig 7). Fig 7 The lower green ‘signal’... -
Page 8: Remote Level Plate Connections
Remote Level Control Wiring Fig 11 As Fig 10 shows, the RL-1 is connected to a CX-A450 remote connector with a two-core cable that has an overall screen. It is possible to connect a single remote control module to control more than one channel simultaneously (Fig 11). As more channels are linked the law of the control will be compromised resulting in an uneven control of volume;... -
Page 9: Equalisation Module Installation
NOTE #1: Before installing your optional modules, ensure that the total power requirement does not exceed the limits of the CX-A450 (see section 10). NOTE #2: Each channel of the CX-A450 can have both ® the VCA-5 module and Bose EQ card installed at the same time. - Page 10 CX-A450: Installation and Operation Manual VCA Module THD+N <0.03% 1kHz, measurement BW 22Hz to 80kHz Crosstalk Typical, between adjacent Typically -70dB @10kHz with 4 Ohm load channels Input Sensitivity 0dBu (775mV) Input Impedance 10k balanced / 5k unbalanced Noise <96dB rms below rated output, un-weighted, measurement BW...
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Page 11: Safety Considerations And Information
Only reassemble the unit using bolts/screws identical to the original parts In the interest of continuing improvements Cloud Electronics Limited reserves the right to alter specifications without prior notice. Bose® is a Registered Trademark of The Bose Corporation.
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