Azur 851W
功率放大器
4.4
(18)

拥有巨大的力量和令人难以置信的低失真。本品可与 851E 前级功放 851N 网路播放器完美搭配;接收其纯正讯号并将其放大,呈现出巨大的规模及影响力。

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  • XD 级

    我们不使用 A 级设计(它在声音方面出色,但会产生大量的废热)或 AB 级设计(高效但声音表现受限),而是开发了我们自己的 XD 级放大器设计,851W 就采用了该设计。它具有 A 级的声音纯度和 AB 级的效率,两者都达到最佳。有关我们已获专利的独特 XD 级技术的更多信息,请观看页面底部的视频或单击 此处 查看完整说明。

    功率和控制

    将 851W 制造成最好的环形变压器是至关重要的。我们没有设计一个负责两项功能的变压器,而是设计两个变压器,一个用于声音放大,另一个用于输入电路。这意味着信号不受音频输出音量的影响,因此听起来始终很棒。主环形变压器为两个单声道放大块提供不受限制的功率。它是真正的发烧级变压器,在运行时无失真、嗡嗡声、干扰和杂声。第二个较小的环形变压器负责前置放大处理。查看下面的视频,了解我们为什么使用环形变压器。

    TERRAPIN 缓冲

    在设计立体声系统时,听众通常应考虑系统匹配,精心挑选组件以提供最佳的整体声音质量。人们通常想当然地认为这是由于不同的音频特性造成的,但实际上很多时候是由于阻抗(电压和电流输入/输出之间的关系)匹配组件造成。当产品的输入和输出阻抗匹配时,产品表现最佳。但这一点总是不能做到,因此我们决定开发我们独特的 Terrapin 阻抗缓冲模块。这使得 851W 可与具有不同阻抗的各种音频源和前置放大器配合,而不会增加损害音乐性或总体音频性能的风险。

    灵活配置

    851W 可用于立体声、双功放或桥接单声道配置。在桥接单声道模式中,接入 8 欧姆时,851W 是一个 500W 单体式单声道放大器。接入 4 欧姆时,此数字增大到不可思议的 800W。它可与我们的 851E 前置放大器、我们的任何数字前置放大器(例如 851N 或 CXN)或任何其他模拟前置放大器配合使用,而且得益于我们的 Terrapin 缓冲模块,它听起来始终完全和谐。 

    CAP 5 保护

    我们专有的 CAP 5 保护系统可保护 851W,再加上任何已连接的设备和扬声器,确保获得终极可靠性和安心。有关此独特开发产品的更多信息,请观看下面的视频。 

  • Technical Specifications

    功率输出 - 立体声/单声 道每声道200W@8 Oh, 每声道350W@4 Ohm
    输出功率 - 单声道桥接 500W 8 Ohms 800W 4 Ohms
    THD(不计权) < 0.001% 1 kHz < 0.005% 20 Hz - 20 kHz
    频率响应 5Hz – 80kHz
    S / N比(参考1W / 8 Ohm) >90dB (unweighted)>90dB(不计权)
    灵敏度 - 立体声或单声道 1.5V rms unbalanced, 1.5 + 1.5V rms balanced
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  • Azur 851W 评测

    4.4

    4.4
    (18)

    14 评测

    Nicht zu viel versprochen

    Vor 3 Jahren gekauft und 2. Amp hinzugefügt als doppel Mono

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    Response from Cambridge Audio

    Dear Customer

    Thank you for your positive review. We hope you enjoy years of listening happiness.Kind Regards

    Cambridge Audio Customer Support

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    Done with Cambridge

    I have only had this amp about a year and had to send it in to get (rare fault according to Cambridge) DC circuit replaced. Here we are a few months later, and it blows out the same circuit. Half the time the auto on never worked either. So disappointed.

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    Response from Cambridge Audio

    Dear CustomerKindly accepts our sincere apologies for the inconvenience faced.

    We‚'d like to learn more about your specific situation and makes things right.If you wouldn‚'t mind please contact our support agents via our support site so that we can provide the best option available.

    Kimd Regards

    Cambridge Audio Customer Support

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    Musical Powerhouse

    I purchased this a few days ago and from first switch on it really helped to deliver more power to my B&W 704’s and has made them sound a lot more musical. Before I was running them off an Arcam AVR which is fairly powerful with class AB amplification but given that they dip down to 3.1 ohms when driven a bit harder the Arcam was not enough. So I decided on the 851W. In summary I am extremely happy with my purchase as this has added a lot to my system. I use this for both
    music and home cinema.

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    Response from Cambridge Audio

    Dear CustomerThank for giving us your precious time through this review.We are delighted to know that they have lived up to your expectation.We're thrilled to hear that you are enjoying them as we intended and we hope they bring you many years of enjoyment!Kind Regards

    Cambridge Audio Customer Support

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    superior power amplifier

    The combination Cambridge Audio Azur 851W & 851N replaced a Mark Levinson No. 383 in my system, which otherwise consists of Dynaudio Confidence C1 speakers and a classic Creek Evo CD player. The 383, arguably one of the best integrated amplifiers ever built, is certainly hard to beat, but the 851W/N combo is even superior, as far as I am concerned. Some die-hard audiophiles will likely contradict this judgement, but the question is, if they will do so based on first hand experience.

    The sound of the 851W is crisp and precise, not cold or analytic, but warm and smooth. The 851W delivers plenty of power and works very well with the C1, which is a speaker that exposes every weakness of an amplifier in the blink of an eye. Although a true powerhouse, the 851W performs also excellent at low volumes, which is important to me. Finally, it looks perfectly elegant and understated.

    Combined with the 851N you get a 21st century setup that can deal with all types of digital sources, provides good comfort and smart energy saving functions. And ultimately you still have the option to use two 851Ws instead of one, altough I can't think of many speakers that require such overkill output power.

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