Cloud CX-A450 Manual Download

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C l e a r l y b e t t e r s o u n d

Input Routing

The input routing switches of the CX-A450 and CX-A850 permit
various permutations of mono, stereo and multi-channel operation

without any external parallel wiring. Some possibilities are shown
below:

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

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



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

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





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





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











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







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

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



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







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

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

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

























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









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







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











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



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





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













































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





















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

















Summary of Contents for CX-A450

Page 1: ...lso available To prevent LF transformer saturation in 100V 70V line systems a 65 Hz high pass filter may be enabled for each channel individually by internal jumper Other standard options are Cloud RL 1 remote volume control plates the VCA 5 single channel VCA card required for level control by RL 1 and EQ cards to suit various makes and models of loudspeakers Remote level control or speaker EQ ma...

Page 2: ...ion Pairs of channels may be operated in Bridge Mode Per channel front panel LEDs for signal presence peak level and protection status Balanced line level inputs with gain trim Rear panel switches to configure for multichannel stereo or mono operation Optional internal 4 channel 100 V 70 V transformer module CX A450 only Optional externally mountable 100 V 70 V transformers per channel Optional re...

Page 3: ...e r s o u n d Input Routing The input routing switches of the CX A450 and CX A850 permit various permutations of mono stereo and multi channel operation without any external parallel wiring Some possibilities are shown below ...

Page 4: ...d to various zones parts of a building They are equally suitable in a situation where a common audio source needs to be reproduced at different levels in various zones The flexibility of the amplifiers input routing makes it possible to handle a mixture of mono and stereo sources without complex wiring In many applications the power amplifiers will be used in combination with a Cloud Zoner to perm...

Page 5: ...p Trace Line Style Thick Data Axis Comment 1 1 Red Solid 1 Anlr Bandpass Left CH2 to CH1 100 0 80 60 40 20 d B r 20 20k 50 100 200 500 1k 2k 5k 10k Hz T T Audio Precision 05 31 11 13 23 50 CX A850 Crosstalk Color Sweep Trace Line Style Thick Data Axis Comment 1 1 Red Solid 1 Anlr Bandpass Left 100 0 80 60 40 20 d B r 20 20k 50 100 200 500 1k 2k 5k 10k Hz T Audio Precision 05 31 11 13 11 59 CX A450...

Page 6: ...stalk 70 dB rel rated output into 4 ohms 10 kHz 82 dB rel rated output into 4 ohms 10 kHz VCA module THD N 0 03 1 kHz 22 Hz 80 kHz BW Inputs Type connectors Electronically balanced 3 pin 3 5 mm pitch screw terminal connectors Sensitivity 0 dBu 0 775Vrms Input Impedance 10 kohms balanced General Output Connectors lo Z 2 pin 5 mm pitch screw terminal connectors Output Connectors 100 70 V Screw termi...

Page 7: ...ency of 65 Hz independently in each amplifier channel Each channel shall deliver its rated power from an input signal of 0 dBu with input level controls set at maximum Output mute protection on power up and thermal protection shall be provided The amplifiers will also be protected against short circuits at the output and excessive combination of output voltage and current The amplifiers outputs sh...

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