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Cambridge Audio Azur 840Av2 Integrated Amplifier -silver | 
| Brand: Cambridge Audio
Category: CE
Buy New: $1,495.00
New (2) from $1,495.00
Sales Rank: 107590
MPN: 840Av2/S
Model: 840Av2
EAN: 5033520402318
ASIN: B001927QEQ
Availability: Usually ships in 1-2 business days
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| Features:
| • | Second generation proprietary Class XD technology, 120W per channel into 8 Ohms or 200W per channel into 4 Ohms | | • | Completely separate pre-amp and power amp toroidal transformers and circuits make the 840A effectively a pre and power amplifier combination in one chassis | | • | Sophisticated resistor ladder and relay based attenuator for extremely accurate volume/balance control | | • | Sophisticated resistor ladder and relay based attenuator for extremely accurate volume/balance control | | • | Navigator style Azur remote with commands for Apple IPod dock. |
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| Editorial Reviews:
Product Description
When the Azur 840A was introduced it broke the mould by introducing an entirely new class of amplifier design in the shape of Class XDTM and marked the zenith of Cambridge Audios critically acclaimed Azur line-up. The 840A V2 now embraces the second generation of Cambridge Audios patent pending proprietary technology and has employed some subtle but significant updates to improve upon this already outstanding design. The second generation Class XD is now complemented by a new output stage carefully adjusted to integrate with this novel technology, revised balanced inputs for lower distortion and noise and a new more accurate volume control with even lower crosstalk for greater stereo imaging.At the core of the 840As strength is a patent pending, Class XD (crossover displacement) technology which has been subtly revised following continuing post-launch development and critical evaluation. This unique design gives pure Class A operation at low levels, moving smoothly into an enhanced version of Class B at higher levels. This system should not be confused with Class AB, which inherently generates greater distortion at high levels than a pure Class B design. XD technology feeds a controlled current into the output stage actively displacing the crossover point in a new way so that the usual Class B crossover point no longer occurs at zero volume - the worst possible position in terms of distortion but at a significant output level. The result is a smooth and linear transition between the two modes of operation, which differs significantly from the abrupt, gain transition of a Class AB amplifier.The Azur 840A amplifier includes a massive, oversized low flux toroidal transformer, incorporating a silicone-steel screen. To separate the delicate signals needed by the pre-amp from those needed by the power-amp, the 840A features a completely separate pre-amp toroidal transformer, mounted to the rear casework.
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