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Describes the amplifier's core Class XD technology, its benefits, and performance principles.
Warns about the unit running warmer than usual and the importance of unobstructed ventilation slots.
Highlights the acoustically damped chassis, high current output transistors, and quality internal components.
Discusses balanced inputs, loop outputs, and dual mono power supplies for separate channel operation.
Advises on matching the amplifier with suitable pre-amplifiers, sources, and cabling for optimal performance.
Lists essential user safety guidelines for operation, handling, and installation of the apparatus.
Highlights critical hazards such as fire, electric shock, ventilation obstruction, and water exposure.
Details various safety marks, WEEE, CE, FCC compliance, and associated symbols.
Advises on proper placement for airflow, avoiding heat sources, and stable surfaces.
Details power connection requirements, standby mode operation, and power consumption.
Covers unit cleaning, proper battery disposal, and user's inability to service the unit.
Explains warranty coverage, requirements for proof of purchase, and how to obtain service.
Details what the warranty does not cover and legal disclaimers on incidental damages.
Describes speaker terminals and balanced/unbalanced audio inputs and loop outputs.
Explains switches for selecting input type (balanced/unbalanced) and stereo/mono modes.
Details connections for system integration, remote control, and power syncing.
Covers the AC power socket, the power on/off switch, and the mains voltage selector.
Explains the function of the Standby/On button and the Auto Power Down feature.
Describes the meaning of output, protection, clipping, bridged, and mono LEDs on the front panel.
Illustrates the LED states for stereo, mono, and bridged mono output configurations.
Details how to connect the amplifier using unbalanced RCA/Phono inputs for stereo operation.
Details how to connect the amplifier using balanced XLR inputs for stereo operation.
Explains how to sync power states between the 851W and other Cambridge Audio units.
Details the setup for bi-wiring loudspeakers, including terminal modifications.
Describes using two 851W units in Bi-Amped Mono mode for high-end systems.
Details using two 851W units in Bridged Mono mode for increased power output.
Covers trigger input, control bus, and audio sensing for automatic power control.
Explains integration with custom install systems via control bus, IR, and remote commands.
Explains DC detection, thermal monitoring, and voltage/current protection circuits.
Covers protection against short circuits during power-up and audio clipping detection.
Lists power ratings, THD, frequency response, S/N ratio, and input impedances.
Provides physical dimensions, maximum power consumption, and unit weight.
Addresses common problems like no power, no sound, hum, and poor imaging.
General| Brand | Cambridge Audio |
|---|---|
| Model | azur 851W |
| Category | Amplifier |
| Language | English |
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