Cambridge Audio Azur651P AV Preamplifier

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  • Cambridge Audio Azur651P AV Preamplifier - Jamsticks

Cambridge Audio Azur651P AV Preamplifier

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  • Cambridge Audio Azur651P AV Preamplifier

    Product Description

    Product Description:

    Moving Magnet and Moving Coil Phono Preamplifier

    Love vinyl? Make the most of any turntable, including the most high-end audiophile models

    Adding a turntable to your system is like having a log fire - a radiator may warm you up but you wouldn't want to sit and watch it. There's something uniquely pleasurable about listening to vinyl, something that digital media can't reproduce in quite the same way. While the latest digital formats sound incredible, there's detail and warmth that can't always be expressed in 0s and 1s, crackle that adds character, and live music simply comes to life. And the Azur 651P makes the very most of vinyl, whatever your deck. It even works with Moving Coil cartridges found in the highest of high-end audiophile turntables.

    Product Highlights:

    • compatible with moving magnet and moving coil phono cartridges
    • external power supply for reduced noise and interference
    • acoustically damped full-metal chassis with thick, brushed aluminum front panel
    • discrete transistor input stages instead of I.C.s for greater dynamics and lower noise
    • single-ended 'Class A' gain stage with audiophile-grade passive RIAA equalization
    • defeatable subsonic filter to eliminate very low frequency 'rumble' due to vinyl imperfections
    • gain: 39dB(MM), 55dB(MC)
    • signal-to-noise ratio: greater then 86dB(MM), greater than 72dB(MC)
    • THD: less than 0.005%(MM), less than 0.002%(MC) (20-20,000 Hz)
    • RIAA response accuracy: ±0.3dB (20-50,000 Hz) with subsonic filter off
    • crosstalk at 20 kHz: greater than 83dB(MM), greater than 69dB(MC)
    • Dimensions (WxHxD)46 x 215 x 133mm (1.8 x 8.5 x 5.2'').


    There's something uniquely pleasurable about listening to vinyl, something that digital media can't reproduce in quite the same way. However most hi-fi amplifiers won't let you plug in a turntable directly. You need to connect via a phono stage (also known as a phono preamp) to make the very small signal from the turntable powerful enough for your main amp to work with. But it's very easy to add noise at this stage, which is why Cambridge Audio have designed the 651P using premium components chosen for exceptional accuracy, amplifying the signal without distorting it or introducing noise.


    The 651P works with all turntables, whichever type of cartridge they use. Like the 551P it works with popular Moving Magnet cartridges. But it also works with Moving Coil cartridges found in the highest-end audiophile turntables offering even more accuracy and detail than Moving Magnet. Additionally, even if your amplifier does have a built-in phono stage, it's well worth bypassing using the 651P to deliver much greater depth and detail of audio.


    Audio circuitry has been refined with multiple transistors wired in parallel ensuring the lowest possible distortion and noise. A copper shield provides further protection to this extremely sensitive part of the circuitry, limiting the noise that can be injected into the signal. This is especially important with a Moving Coil cartridge because its signal is even quieter and more delicate than Moving Magnet, so it needs even more amplification.


    High-spec multi-parallel capacitors achieve exceptional RIAA accuracy - the industry standard for reproducing vinyl recordings. While a highly accurate, subsonic filter removes the common problem of unwanted low-frequencies that are inaudible but can damage subwoofers.


    In line with Cambridge Audio's commitment to the environment, a power switch cuts energy consumption to zero when not in use.


    Power Consumption (max) Moving Magnet: 5W
    Moving Coil: 5W
    Gain Moving Magnet @ 1 kHz: 39dB
    Moving Coil @ 1 kHz: 55dB
    Input Impedance Moving Magnet: 47kOhm
    Moving Coil: 100Okm
    Input Capacitance Moving Magnet: 220pF
    Moving Coil: 220pF
    Nominal Output Moving Magnet: 300mV
    Moving Coil: 300mV
    Sensitivity Moving Magnet: For Nominal Output: 3.35mV
    Moving Coil: For Nominal Output: 0.5mV
    Overload Moving Magnet: >30dB
    Moving Coil: >30dB
    THD 20Hz-20kHz
    Moving Magnet: <0.005%
    Moving Coil: <0.002%
    Accuracy Moving Magnet: RIAA Curve: < +/-0.3dB
    Moving Coil: RIAA Curve: < +/-0.3dB
    Moving Magnet: 20Hz-50kHz (subsonic filter off) Moving Coil: 20Hz-50kHz
    Signal to Noise Ratio Moving Magnet: >85dB (using Audio Precision RIAA-1 with grounded inputs)
    Moving Coil: >72dB (using Audio Precision RIAA-1 with grounded inputs)
    Crosstalk Moving Magnet: @ 20 kHz: >83dB
    Moving Coil: @ 20 kHz: >69dB
    Dimensions 1.8 x 8.5 x 5.2" (46 x 215 x 133 mm)
    Weight 2 lbs (0.9 kg)

    All eligible company warranty and service support is being provided on Cambridge Audio Azur651P AV Preamplifier