Azur 651A Integrated Amplifier
So we listened to you and instead of adopting the more common and simpler approach of including USB connectivity on a CD player, we’ve developed a direct USB audio connection to the 651A amplifier. So now, you can simply plug your Mac or PC directly into the 651A amplifier and with the addition of your chosen speakers, you’ll instantly enjoy a whole world of digital music stored or streamed from your computer. Computers are fast becoming a great addition to the hi-fi but they’re not without their faults. Poor quality soundcards plus jitter – a side effect of digital music stored on computer hard drives – means audio performance can be really lousy. But plug your PC into the 651A and you’ll be amazed just how incredible it sounds. Our in-house developed USB audio processor extracts audio data directly from your PC hard drive – bypassing its soundcard – and takes care of the critical digital to analogue conversion process bringing dull and lifeless MP3 files alive like you’ve never heard them before! Meanwhile, connection support for analogue sources like CD players, iPod docks and tuners is better than ever so whether you store or stream music from your computer, iPhone or maybe you prefer the luscious sound of good old vinyl, the all new Cambridge Audio 651 will make all your music sound amazing. At Cambridge Audio we don’t believe in gimmicks. Instead we like to invest in components that really make a difference to the sound you hear. That’s why in the 651A, we use a premium toroidal transformer which is key to its unruffled performance with music of all types. Class-leading power of 75 Watts per channel remains another massive advantage and a whole host of custom designed components together with our legendary approach to design means whatever you’re listening to, it’ll simply sound fantastic.
Azur 651A Integrated Amplifier Features
Audiophile grade oversize toroidal transformer and substantial extruded heatsink allowing 2 x 75 Watts RMS into 8 ohms |
USB audio input allowing USB audio streaming from computer |
Separate transformer taps for left and right channels, twin rectifiers and separate PSUs for dual mono operation of the left and right power amps |
ALPs film type ‘black box’ volume pot for superb low level channel balance and stereo imaging |
CAP5 protection technology to enhance performance at high volumes |
Low dissipation polypropylene signal capacitors and custom made electrolytic capacitors in critical positions |
Acoustically damped full metal chassis with thick brushed aluminium front panel |
Front mounted 3.5mm iPod/MP3 player connection |
Eco-friendly <1W Standby power consumption |
Available in black and silver finishes
Power Output: |
75 watts (into 8Ω)
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THD (unweighted): |
<0.002% @ 1kHz, 80% of rated power <0.03% 20Hz - 20kHz, 80% of rated power <0.02% 20Hz - 20kHz @ 10W
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Frequency Response: |
5Hz - 50kHz (-1dB)
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S/N ratio (ref 1w): |
>92dB (unweighted)
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Input Impedance: |
47kohms
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Power amp damping factor: |
>100
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Max. Power Consumption: |
600W
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Standby Power Consumption: |
<1W @ rated mains
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Bass/Treble controls: |
Shelving, ultimate boost/cut +/- 7.5dB @ 20Hz and 20kHz
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USB |
USB Audio 1.0 16 bit 32kHz, 44.1kHz, 48kHz.
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Dimensions (H x W x D): |
120 x 430 x 350mm (4.7 x 16.9 x 13.8”)
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Weight |
8.4kg (18.5lbs)
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