Azur 851A integrirani ojačevalec Class XD

1.699,00€

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  • Cena brez DDV: 1.392,62€
  • Blagovna znamka: Cambridge Audio
  • Koda izdelka: Azur 851A Cambridge Audio integrirani ojačevalec Class XD

Cambridge Audio Azur 851A integrirani ojačevalec Class XD (Azur 851A Flagship Integrated class XD amplifier) ima naslednje tehnične karakteristike:

  • 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
  • Mere za ojačevalec Azur 851A: 430 x 115 x 385 mm (Š x V x G).
  • Teža Azur 851A stereo ojačevalca: 15 kg.
  • Stereo ojačevalec Azur 851A je dobavljiv v naslednjih barvah: črna, srebrna.
  • Spletna stran proizvajalca: Azur 851A integrirani ojačevalec Class XD

Cambridge Audio 851A stereo ojačevalec je najboljši ojačevalnik, kar je bilo v cambridge Audiu narejenih do sedaj. Zmogljiv 120 W stereo ojačevalnik Cambridge Audio 851A, je narejen brez kompromisov.

Ojačevalec je v osrčju vsakega zvočnega sistema, zato je potrebno še posebej paziti na zmogljivost in povezljivost. Večina ojačevalcev ima dve vrsti standardnih metod ojačevanja. Razred A ponuja vrhunski zvok, vendar je neučinkovit zaradi ustvarjanja toplote, ki jo moramo odvajati. Razred AB je učinkovit; uvaja zvočno popačenje.

Ojačevalec Cambridge Audio 851A, del vodilne serije 8, uporablja našo patentirano ojačevanje razreda XD, ki združuje prednosti ojačevanja razreda A in razreda AB ter preseganje njunih omejitev. Naša edinstvena oblika vezja in uporaba najbolj kakovostnih sestavnih delov se odraža v izjemno močnem, vendar natančnem zvoku, ki je tako čist kot izpopolnjen. Ojačevalec 851A ne poganja eden, temveč dva - po meri oblikovana toroidna transformatorja, ki delujeta brez brnenja, šumenja ali motenj, ki bi pokvarile zvočno izkušnjo.

Z 10 vhodnimi viri, se lahko 851A prilagodi praktično vsaki povezavi, ki jo kupec želi. Ti vključujejo dva visoko zmogljiva XLR vhoda - kot nalašč za naš 851C DAC/ CD predvajalnik/ predojačevalnik ali mrežni glasbeni predvajalnik. Ne glede na nastavitev ali uporabljene vire, se lahko zaslon 851A nastavi po meri, kar omogoča, da se vhodi poimenujejo, zaradi česar je neverjetno enostaven za uporabo.

Brušeno kovinsko ohišje polepša videz trdne, popolnoma kovinske omarice - kot nalašč za brezhibno delovanje delov 851A in zagotovitev, da bo videti dobro v vsakem prostoru.

Trije ojačevalci v enem - dva dvojna mono ojačevalna sklopa za predvajanje najboljšega zvoka ter neopazen predojačevalnik, posvečen procesom na sprednji plošči, dva toroidna transformatorja, novi natančni nadzor zvoka...

Dve običajni obliki ojačevanja sta »razred A« in »razred AB«. Razred A se ponavadi uporablja v izjemno dragih ojačevalcih, medtem ko predvaja res odličen zvok, je zelo neučinkovit, saj ustvarja preveč toplote, ki jo je treba odvajati - običajno z zelo dragimi toplotnimi ponori. Razred AB se uporablja pogosteje, ker je učinkovit, vendar ustvarja popačenje na točki rezanja v visokih frekvencah, kar se sliši. Ker naši inženirji niso bili zadovoljni s tema možnostma, so razvili patentirano ojačevanje razreda XD, ki doda napetost, ki premakne točko rezanja tja, kjer se popačenja ne sliši in daje brezkompromisno ojačenje. To tudi pomeni, da se denar kupca porabi za izvrstne hi-fi sestavne dele in tehnologije za odličen zvok, namesto za ukvarjanje s toploto.

Strokoven servis vseh vrst avdio in video komponent nudimo že več kot 30 let. Smo pooblaščen servis za hifi komponente Cambridge Audio. Opravljamo tudi servis zvočnikov.

The ultimate in amplification and built without compromise, the 851 is our finest integrated amplifier. It 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 like you’ve never heard before.

Sound quality
Nothing prepares you for the sound quality of our 851A. Rated at 120 Watts per channel and built with a fastidious attention to detail, it presents your music with astounding depth and incredible clarity. The precision volume control provides remarkable stereo separation, while the overall effect is to give your music collection a new lease of life.

Connectivity
We built the 851A without sonic compromise, and that’s true of the connectivity too. Nine RCA inputs cater for regular analogue inputs, while for high end components there are two sets of balanced XLR inputs. We’ve added a pre-out for connecting to a subwoofer or power amp, while two sets of speaker terminals allow for bi-wiring or running additional speakers in a second location. Finally, Control Bus inputs allow the linking of compatible Cambridge Audio products for easy control from one remote.

Class XD + two transformers
Rather than use Class A or Class AB amplifier designs, we developed a novel and unique new design called Class XD, which combines the sonic purity of Class A and the efficiency of Class AB for the best possible result.
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. While a second, smaller toroidal transformer takes care of pre-amplification processes. For more information on toroidal transformers and why we use them view the videos below.

Precision volume
The precision volume control of the 851A is superbly accurate and marshals remarkable stereo separation thanks to the MAS integrated circuit volume.

Always protected
For peace of mind our CAP5 – 5 point protection system means you can be safe in the knowledge that no matter what limits you try and test your system to, the 851A, is fully protected. For more information on this unique development have a watch of the video below.

Ojačevalec Azur 851A ima naslednje prednosti:

  • Class XD amplification designed to eliminate crossover distortion at low signal levels.
  • New balanced volume topology controllable in 1dB steps, giving very fine control, and superbly accurate channel balance.
  • Audiophile grade oversize toroidal transformer and substantial extruded heatsink allowing 2 x 120 Watts RMS into 8 Ohms or 2 x 200W into 4 ohms.
  • Separate transformer taps for left and right channels, twin rectifiers and separate PSUs for dual mono operation of the left and right power amplifiers.
  • A separate toroidal transformer supplies the preamp making the 851A effectively a Pre and Power amp combination in one box.
  • CAP5 protection technology for trouble free operation.
  • Acoustically damped full metal chassis with thick brushed aluminium front panel.
  • Customisable front panel display.
  • Balanced and unbalanced analogue audio inputs for superior connectivity.
  • RS232 controllable.
  • Eco-friendly <0.5W Standby power consumption.






Oznake: integrirani ojačevalec, Azur serija, cambridge audio

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