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Cambridge Audio Azur 851W - amplificador estéreo

Cambridge Audio Azur 851W - amplificador estéreo

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Cambridge Audio Azur 851W - amplificador estéreo

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R$13.763,00

Descrição Rápida

Cambridge Audio
Azur 851W

Delivering immense power and incredibly low distortion, the 851W power amplifier is perfectly matched to partner our 851E pre-amplifier and 851N network player; taking their pure signal and amplifying it with huge presence and authority.

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. 

Our 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. 

Descrição do Produto

  • 200 watts per channel into 8 ohms
  • 350 watts per channel into 4 ohms
  • selectable stereo (single- or bi-wired), bi-amp (mono) and bridged mono modes
  • bridged mono mode delivers 500 watts x 1 into 8 ohms (800 watts x 1 into 4 ohms)
  • stereo balanced XLR and unbalanced RCA inputs
  • proprietary Class XD amplification incorporates Class A and AB designs for signal purity, low crossover distortion, and improved efficiency
  • 2 toroidal power transformers; 1 for the power amp stage, 1 for input stages and other circuits
  • proprietary Terrapin amplification stages offer improved stereo separation and imaging at low volume levels and consistent sound from all source components
  • total harmonic distortion: 0.005% at 20-20,000 Hz
  • signal-to-noise ratio: greater than 90 dB
  • frequency response: 5-80,000 Hz
  • auto-standby mode detects incoming audio signals for easy integration with a preamp
  • infrared control input, control bus in/out, and 12-volt trigger in/out for integration with external control systems and components
  • all-metal chassis with aluminum front panel to minimize vibration-induced distortion
  • CAP5 proprietary protection system prevents overheating and clipping
  • 148 x 430 x 365mm (5.8 x 16.9 x 14.4”)
  • weight: 19.1kg (42.2lbs)

Informações Adicionais

Fabricante Cambridge
Montadora Não
Prazo estimado para envio após faturamento: até 05 dias úteis
Carro Não
Preço R$13.763,00

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