Cambridge Audio Azur 540P Manual de usuario

www.cambridge-audio.com

Tech specs

Extending the functionality of Cambridge Audio's critically acclaimed

integrated stereo Azur amplifiers and AV receivers are two phono

pre-amplifiers.

Employing state-of-the-art circuitry and high grade components

the 540P is a high quality Moving Magnet (MM) phono stage, while

the 640P features a more highly specified Moving Magnet stage, as

well as the higher gain needed for compatibility with high-end

Moving Coil (MC) cartridges.

The models feature single-ended 'Class A' gain stages and use

discrete transistors instead of the more common integrated circuits.

This gives less cross-talk and interference across the signal path,

with both designs delivering high gain and linearity. The 540P

employs an active RIAA equalisation, while the 640P makes use of

audiophile passive RIAA equalisation, the optimum design type for

phono stages thanks to its complete lack of phase distortion.

The 640P also uses superior amplification circuitry for its MM

and MC stages to provide the lowest possible distortion and noise.

In addition, the flagship model employs multi-parallel capacitors to

achieve exceptional RIAA accuracy of only 0.3dB up to 50kHz and

features a defeatable subsonic filter. This raft of technologies

combines to offer a hugely dynamic, involving and open sound.

Both units feature the now customary Azur acoustically damped

steel chassis and a robust anodised aluminium front plate. The rear

panels benefit from gold plated input connectors to minimise signal

path interference and reduce surface degradation and an external

power supply comes as standard.

Azur 540P and 640P specifications

540P 640P MM MC

Max power consumption 5W 5W

Gain @ 1kHz 39dB 39dB 55dB

Nominal output 300mV 300mV

Sensitivity for nominal output 3.35mV 3.35mV 0.5mV

THD 20Hz-20kHz <0.009% <0.007%

RIAA curve accuracy <+/-0.65dB <+/-0.3dB

25Hz-20kHz 20Hz-50kHz

(subsonic filter off)

Signal to noise ratio >85dB >85dB >82dB

using Audio Precision RIAA-1 with grounded inputs

Crosstalk @ 20kHz >76dB >76dB >72dB

Dimensions (W x D x H) (mm): 46 x 215 x 133 46 x 215 x 133

Dimensions (W x D x H) (in): 1.8 x 8.5 x 5.2 1.8 x 8.5 x 5.2

Weight 0.8kg/1.8lbs 0.9kg/2lbs

Cambridge Audio’s policy is one of continuous

improvement. Design and specifications are

therefore subject to change without prior notice.

Cambridge Audio, Gallery Court, Hankey Place, London, SE1 4BB, England

© 2005 Cambridge Audio Ltd Issued: August 2005

Azur 540P and 640P phono pre-amp

Phono pre-amplifier duo complements latest Azur

integrated amplifiers and AV receivers.

Azur 540P and 640P phono pre-amp

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1

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