Azur 851A
The Azur 851A is an analogue integrated stereo amplifier from Cambridge Audio's Azur range, rated at 120W per channel into 8 Ohms. It has balanced XLR and RCA inputs and is aimed at listeners who want a high-power, low-distortion amplifier for passive speakers. It is listed as archived.
- 120W RMS into 8 Ohms, 200W RMS into 4 Ohms
- THD below 0.001% at 1 kHz (80% of rated power)
- 2 balanced XLR and 8 RCA analogue inputs
- Preamp output and record output
- Bass and treble shelving tone controls
- Weighs 15 kg; black or silver finish
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The Azur 851A is a Class XD integrated amplifier delivering 120W RMS into 8 Ohms and 200W RMS into 4 Ohms. It is a purely analogue design, with no built-in digital inputs or DAC. The maker states that the signal path was revised to keep distortion low. Specified THD is below 0.001% at 1 kHz and 0.01% across 20 Hz to 20 kHz, both at 80% of rated power.
On the back are two balanced XLR inputs and eight RCA inputs, plus a preamp output and a record output. Shelving tone controls give up to +/- 10 dB of bass boost or cut at 10 Hz and +/- 7.5 dB of treble boost or cut at 20 kHz. A remote control is supplied.
The chassis measures 430 x 115 x 385 mm and weighs 15 kg. It is offered in black or silver. Power consumption is up to 800W at maximum, 70W when idle with no signal and under 0.5W in standby.
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Specifications
- Brand
- Cambridge Audio
- Model
- Azur 851A
- Category
- Hi-fi and home audio › Amplifiers
Audio
- 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
- Frequency response
- 10 Hz - 50 kHz +/- 1 dB
- S/N ratio (ref 1w)
- > 93 dB (ref 1W/8 Ohm)
- Power amp damping factor
- > 110 at 1 kHz
- Tone control
- Shelving type; max bass boost/cut +/- 10 dB at 10 Hz; max treble boost/cut +/- 7.5 dB at 20 kHz
Inputs
- Audio inputs
- 2 x balanced XLR, 8 x RCA inputs
- Input impedance
- Inputs 1 and 2 (balanced) 20 kOhm, Inputs 1-7 unbalanced 20 kOhm, Rec Input 20 kOhm
Outputs
- Audio outputs
- Preamp output, Record output
Power
- Max. power consumption
- 800W
- Min. power consumption
- Active (no signal) 70W
- Standby power consumption
- < 0.5W
Physical
- Colour
- Silver or black
- Dimensions (WxHxD)
- 430 x 115 x 385 mm (16.9 x 4.5 x 15.2")
- Weight
- 15.0 kg (33 lbs)
In the box
- Included
- Azur 851A Integrated Amplifier, Power Cable, 3 x AAA Batteries, Remote Control