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Cambridge Audio Azur 851A Integrated Amplifier - Black
The 851 possesses incredible power, finesse and astonishingly low distortion. In its design we assessed every component for sonic excellence and revised, reviewed and optimised the signal path for minimal distortion. Thousands of hours were spent testing and tweaking, the result is an amplifier we’re incredibly proud of.
Features:
- Unique Class XD amplification – A true innovation in amplification gives incredible sound quality while remaining supremely efficient.
- Big on power – 851A has power in reserve to deliver outstanding dynamic range. Feel the impact of your music.
- Immersive stereo separation – dual mono design means 851A can present a beautiful stereo image, you can almost see the band.
- All the Connections – with 8 RCA inputs and 2 balanced XLR connections, you can hook up practically any music source.
- Beautiful black or silver finish – whichever you choose, you still get the all-metal construction for sonic protection.
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Technical Specification
- POWER OUTPUT 120W RMS into 8 Ohms 200W RMS into 4 Ohms
- THD (UNWEIGHTED) < 0.001% 1 kHz at 80% of rated power 0.01% 20 Hz - 20 kHz at 80% of rated power
- AUDIO INPUTS 2 x balanced XLR, 8 x RCA inputs
- AUDIO OUTPUTS Preamp output Record output
- FREQUENCY RESPONSE 10 Hz - 50 kHz +/- 1 dB
- S/N RATIO (REF 1W) > 93 dB (ref 1W/8 Ohm)
- INPUT IMPEDANCE Inputs 1 and 2 (balanced) 20 kOhm, Inputs 1-7 unbalanced 20 kOhm Rec Input 20 kOhm
- POWER AMP DAMPING FACTOR > 110 at 1 kHz
- MAX. POWER CONSUMPTION 800W
- MIN. POWER CONSUMPTION Active (no signal) 70W
- STANDBY POWER CONSUMPTION Standby <0.5W
- TONE CONTROL Shelving type Max bass boost/cut +/- 10 dB at 10 Hz Max treble boost/cut +/- 7.5 dB at 20 kHz
- COLOUR Silver or black
- DIMENSIONS (WXHXD) 430 x 115 x 385mm (16.9 x 4.5 x 15.2”)
- WEIGHT 15.0Kg (33lbs)
- Warranty 1 year
What Is In The Box
- Cambridge Audio Azur 851A Integrated Amplifier - Black
- Power Cable
- 3 x AAA Batteries
- Remote Control
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Manufacture Description
Class XD Amplification
The 851A uses our patented 2nd generation ‘Class XD’ amplification technology. Traditional Class A amps requires ‘always-on’ capacitors, which is enormously inefficient and generates excessive heat. Class AB was designed to offer a more efficient alternative but sacrificed some sound quality in the process. XD refines the AB approach to ensure any distortion is outside of the audible spectrum. The result is best-in-class audio quality, clean power and energy efficiency.
Big On Power
851A’s power comes from an enormous toroidal transformer. It’s so big, it accounts for almost a third of the unit’s weight. It’s no surprise then that 851A is able to deliver a huge 120 watts of power into 8 Ohms (Or 200 watts into 4 Ohms!). In simple terms, 851A has the power to handle huge dynamic range with grace.
Integrated Amplifier
If you’re looking to take advantage of a more powerful amplifier, like the 200-watt 851W, in conjunction with 851A’s leading pre-amplifier, you can do just that with the pre-amp out connection. With its own toroidal transformer, the 851A’s pre-amp is truly a class-leader on its own.