Azur 851W power ojačevalec Class XD



  • Cena brez DDV: 1.556,56€
  • Blagovna znamka: Cambridge Audio
  • Koda izdelka: Azur 851W Cambridge Audio power ojačevalec Class XD

Razpoložljive možnosti

Cambridge Audio Azur 851W power ojačevalec Class XD (Flagship power amplifier) ima naslednje tehnične karakteristike:

  • Power output – stereo/mono
    200 W per channel into 8 Ohms
    350 W per channel into 4 Ohms
  • Power output – bridged mono: 500W 8 Ohms 800W 4 Ohms.
  • THD (unweighted): < 0.001% 1 kHz < 0.005% 20 Hz - 20 kHz.
  • Frequency response: 5Hz – 80kHz.
  • S/N ratio (ref 1W / 8 Ohn): >90dB (unweighted).
  • Sensitivity – stereo or mono: 1.5V rms unbalanced 1.5 + 1.5V rms balanced.
    Sensitivity – bridged mono: 0.775V rms unbalanced 0.775V + 0.775V rms balanced.
  • Input impedances:
    Balanced input 38 kOhm
    Unbalanced input 68 kOhm
  • Power amp damping factor: > 110 at 1 kHz.
  • Max. power consumption: 2400 W.
  • Standby power consumption: Standby <0.5 W.
  • Mere za ojačevalec Azur 851W: 148 x 430 x 365 mm (V x Š x G).
  • Teža ojačevalca Azur 851W: 19,1 kg.
  • Power ojačevalec Azur 851W je dobavljiv v naslednjih barvah: črna, srebrna.
  • Tehnične karakteristike za Azur 851W power ojačevalec
  • Tehnična navodila (user manual) za Azur 851W power ojačevalec
  • Kode za daljinski upravljalnik

Cambridge Audio 851W močnostni ojačevalec je opremljen tako z balansiranimi XLR, kot klasičnimi RCA konektorji in z ogromno zalogo moči tvori čudežno verigo digitalnega sistema.

Ojačevalec je v osrčju vsakega zvočnega sistema, zato je potrebno še posebej paziti na zmogljivost in povezljivost.

851W je naš vodilni power ojačevalec, z neverjetno močjo in neverjetno nizko stopnjo popačenja. Ojačevalec se popolnoma ujema s predojačevalcem 851E in mrežnim predvajalnikom 851N, saj prevzame njun čisti signal in ga okrepi. Ojačevalec Azur 851W vam bo omogočil, da boste ponovno odkrili svojo najljubšo glasbo v kakovosti, ki še nikoli niste slišali prej.

Rather than use a Class A design, which is sonically brilliant but generates vast amounts of heat, or a Class AB design, which is efficient but sonically limited, we developed our own Class XD amplifier design which the 851W takes advantage of. This has the sonic purity of Class A and the efficiency of Class AB for the best of both worlds.

When designing a stereo system, listeners are often encouraged to think about system matching, where components are handpicked to provide the best overall sound quality. People often assume this is due to the different audio characteristics, but frequently it is due to impedance (the relationship between voltage and current input/output) matching components. Products perform at their optimum when their input and output impedances match. This isn’t always possible though so we decided to develop our unique Terrapin impedance buffering module. This enables the 851W to be paired with a huge variety of audio sources and pre-amplifiers of varying impedance without risking any sacrifice in musicality or overall audio performance.

To build the 851W to be the best toroidal transformers were essential. But rather than use one for everything we designated one for the sound amplification itself, and another for the input circuitry. This means the signal is unaffected by audio output volume, so always sounds fantastic. The primary toroidal transformer provides unrestricted power to the dual mono amplification blocks. It’s a true audiophile transformer that will operate without distortion and with no buzz, interference or hum. The second smaller toroidal transformer takes care of pre-amplification processes. View the videos below for an insight on why we use toroidal transformers.

The 851W can be used in stereo, bi-amped or bridged mono configurations. In bridged mono mode into 8 Ohms the 851W is a 500W monoblock amplifier. Into 4 Ohms, this figure increases to an incredible 800W. It can be paired with our 851E pre-amp, any of our digital pre-amps such as the 851N or CXN, or any other analogue pre-amps, and thanks to our Terrapin buffering module it will always sound perfectly matched.

Proprietary CAP 5 protection system protects the 851W, plus any connected equipment and speakers, ensuring ultimate reliability and peace of mind. For more information on this unique development have a watch of the video below.

Oznake: integrirani ojačevalec, Azur serija, cambridge audio

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APRIL 2014

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