Cambridge Audio Azur 851E Preamplifier



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  • This analog preamplifier delivers an incredibly pure signal. The 851E delivers unbelievably little harmonic distortion, has terrapin impedance buffering modules and a solid state volume control. This all adds up to the purest production with so little noise to incoming signals that we can barely measure it.

    NO MEASURABLE DISTORTION

    By using a solid state volume control which retains channel balance even at low levels, the 851E analog preamplifier prevents distortion to analog source signals. This ensures your audio signal is left untouched and the performance is true to the original recording.

     

    CONSISTENT SOUND DESIGN

    Consistent sound is delivered across different sources through Terrapin buffer modules which separate the amplifier and signal impedance. There is also an all metal chassis which helps to allow the 851E to isolate the electronics from external interference.

     

    ALL METAL CHASSIS

    Extensive use of aluminium creates massive structural rigidity, while careful damping and control of acoustic resonance contribute to audiophile sound quality. 

    FULL INTEGRATION

    The 851E has a wider range of input options than its predecessors, with eight inputs including three which are switchable between unbalanced RCA and balanced XLR – the latter ideal for connecting to a broad range of high-end sources. Plus flexible and configurable trigger, IR outputs and control bus make it easy to connect to modern power amps.

    • New balanced volume topology controllable in 1dB steps, giving very fine control, and superbly accurate channel balance
    • Proprietary Terrapin amplification stages
    • Audiophile grade oversize toroidal transformer
    • Acoustically damped full metal chassis with thick brushed aluminum front panel
    • Customizable front panel display
    • Balanced and unbalanced analog audio inputs for superior connectivity (eight total inputs, three switchable for balanced XLR or unbalanced RCA)
    • Balanced and unbalanced analog audio outputs
    • Eco-friendly <0.5W Standby power consumption
    • Flexible and configurable trigger outputs/IR and control bus for Custom Install integration and power amplifier power syncing
    • RS232 controllable
    • Azur Navigator system remote control
    • Available in black or silver finishes
    • THD (+ noise): < 0.00045% @ 1kHz; < 0.00057% @ 20kHz
    • S/N (unweighted): < 110dBr; < 90dBu
    • Frequency response: 10Hz - 100kHz ± 0.1dB
    • Crosstalk @1kHz: > 95dB
    • Input isolation: > 110dB
    • Maximum output: 8V rms unbalanced; 8V + 8V rms balanced
    • Output impedance: 100 Ohms (Unbalanced or Balanced)
    • Subwoofer output: Flat or 200Hz 2nd Order Butterworth LPF
    • Max power consumption 36W
    • Bass and treble controls (shelving type): Max bass boost/cut, ± 10 dB at 10 Hz; Max treble boost/cut, ± 7.5 dB at 20 kHz
    • Standby power consumption: <0.5W
    • Dimensions: 16.9" wide, 4.5" high, 15.2" deep
    • Weight: 17.9lbs

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