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  • Nad 2200
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    Nad 2200

    2200, Amplificateur Hi-Fi de la marque Nad.


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    Fiche technique Nad 2200

    • Fabricant :Nad
    • Modèle :2200
    • Catégorie :Amplificateurs Hi-Fi
    • Fiche créée le :25/06/2003

    Année 1987 à 1989

     

    POWER AMP SECTION
    Continuous output power into 8½ * 100W (20dBW)
    Rated distortion (THD 20Hz - 20kHz) 0.03%
    Clipping power (maximum continuous power per channel) 140W
    IHF Dynamic headroom at 8½ +6dB
    IHF dynamic power (maximum short term power per channel) 8½ 400W (26dBW)
    4½ 600W (28dBW)
    2½ 800W (29dBW)
    Damping factor (ref. 8½, 50Hz) >100
    Input impedance 25k½ / 1000pF
    Input sensitivity (for rated power into 8½) 700mV
    Frequency response 3Hz - 80kHz / +0, -3dBdB
    Signal/noise ratio ref. 1W >91dB
    ref. rated power >111dB
    THD (20Hz - 20kHz) <0.03%
    Bridged Mode
    Continuous output power into 8½ * 400W (26dBW)
    IHF Dynamic headroom at 8½ +5dB
    IHF dynamic power (maximum short term power per channel) 8½ 1.2kW (31dBW)
    4½ 1.6kW (32dBW)
    PHYSICAL SPECIFICATIONS
    Dimensions (W x H x D) 420 x 123 x 370mm
    Net weight 12.5kg
    Shipping weight 14kg
    Power consumption (120 ~ 240V, 50/60Hz) 770W
    * Minimum power per chnnel, 20Hz - 20kHz, both channels driven with no more than rated distiortion.
    Dimensions are of unit’s cabinet without attached feet; add up to 18mm for total height.
    Dimension depth excludes terminals, sockets, controls and buttons.
    © NAD

     

    Reproducing musical signals, the NAD 2200 routinely delivers over 500 watts per channel into typical
    loudspeaker impedances.
    In actual measurement with speakers of complex impedance and lower-than-average sensitivity, the
    2200 produces peak sound pressure levels exceeding 115 dB SPL(Sound Pressure Level) in a medium to
    large room, with no audible or measurable distortion.
    But in size, heat dissipation, and cost, the NAD 2200 is similar to many other amplifiers rated at only
    100 watts per channel. For audiophiles who can use and appreciate its capability, the 2200 is
    unquestionably the best-buy power amplifier ever manufactured.
    The Key: Real-World Design
    Examined from one perspective, the 2200 is a very conservatively rated 100 watts/channel power
    amplifier that has an extraordinary +6 dB of dynamic headroom, meaning that it can produce more than
    four times its rated power during musical transients.
    Looked at another way, the 2200 is a super-amplifier that produces between 400 and 800 watts per
    channel for music (depending on speaker impedance), but contains an “intelligent” power supply that
    gives it the modest size, heat dissipation, and cost of a conventional 100 W/ch amplifier.
    The key to the design of the 2200, as with all NAD amplifiers, is that its design goes beyond
    conventional specifications and laboratory tests to provide optimum performance under the conditions
    of everyday use, NAD amplifiers are designed, first and foremost, to reproduce the dynamically varying
    waveforms of music-not just sine-wave test tones. They are designed to deliver undistorted power to
    loudspeakers of any impedance-not just to an 8-ohm test resistor. NAD’s engineers have always
    recognised the importance of supplying high levels of output current to drive the low and complex
    impedances of real loudspeakers. NAD premiered the use of Soft Clipping™ in solid-state amplifiers to
    prevent harsh distortion when the demands of the musical signal exceed the amplifier’s limit. All NAD
    amplifiers feature high dynamic headroom for the transient sounds in music.
    The NAD 2200 is a truly “dynamic” power amplifier. Its heart is the unique PowerTracker control circuit
    (patent pending), which automatically adjusts the amplifier’s maximum power output according to the
    dynamic character of the signal that is being amplified. As befits a product designed for the
    reproduction of music, the NAD 2200 achieves its maximum power output of 400 to 800 watts per
    channel when amplifying wide-range musical signals that contain peaks IO to 20 dB above the average
    level. But when the amplifier is fed a high and constant signal (i.e. a sine-wave test tone instead of a
    musical waveform), its maximum output automatically declines to avoid overheating, and eventually
    levels out between 100 and 200 watts per channel.

    »

    Avis utilisateurs Nad 2200

    alexoou18/03/2006

    L'avis de alexoou

    Nad 2200
    Salut

    Je posséde moi même un ampli NAD 2200 est c'est un ampli de trés bonne qualité j'en suis trés satisfait je m'en sert comme ampli pour de la hifi il donne d'excellente basse et les aigu sont naturel le son est bien détaillé je men sert avec des enceintes ELTAX et ça rend bien!!

    Alexandre
    »

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