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    Markaudio Alpair-7MS Gold 4" Full Range Woofer

    € 57,81€ 69,95 4 In stock: In stock
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    Product description

    The advanced design Alpair 7MS (mono suspension) is a radical departure from previous models. The 7MS is completely new, utilising many new design components and manufacturing processes. The two main features are the patent-pending Negative Camber Cone and Mono suspension system. Other key features include a custom designed, gas-flowed glass-fibre chassis and dedicated ultra light voice coil.

     

    Highlights

    • Latest model.
    • The run-in time for the 7MS is significantly reduced compared to previous models. Ten hours of light music at moderate volumes is sufficient for the suspension to reach its optimal operating pattern.
    • An Arrestor (as deployed in previous Alpair models) provides an audible warning of the accidental excess excursion.
    • The low-mass coil has a vented former and the motor employs a custom made copper plating to reduce distortion.
    • The MS7 is a bass capable audio driver with comparable performance to light-medium load traditional mid-bass units of the same size.

     

    Product details

    Markaudio Alpair-7MS Gold 4" Full Range Woofer 

     

    After releasing the Pluvia range of drivers, which have been well-received, Mark set about the next design evolution. As some of you will know Mark’s design ethos is mechanical efficiency, adding lightness and simplifying where possible. In these new drivers, Mark has managed to achieve much more with much less.

     

    The advanced design Alpair 7MS (mono suspension) is a radical departure from previous models. The 7MS is completely new, utilizing many new design components and manufacturing processes. The two main features are the patent-pending Negative Camber Cone and Mono suspension system. Other key features include a custom-designed, gas-flowed glass-fiber chassis and dedicated ultralight voice coil.

     

    The 7MS cone is an ultra-shallow design affording a wide dispersion pattern. The outer section of the cone profile is angled backward creating a +180 degrees emittance pattern to help optimize stereo imaging. Vocals from quality sources sound more natural and detailed as the center cap and cone profile are geometrically close-aligned.

     

    Much technical research has been done to balance the driver’s powertrain (cone, cap, coil, and suspension) between its axis of travel and the corresponding center of gravity. The new negative-camber cone facilitates the repositioning of the coil to avoid the need for a traditional rear suspension (spider). Mark’s new mono suspension design frees the coil from having a restrictive spider bonded to it, improving the transfer of energy from the driver’s motor to its cone. The new suspension employs an all-new custom mix of four synthetic materials, resulting in improved linearity under low-frequency loads.

     

    The various slopes and rounded angles help improve sound wave emittance. Custom extended terminals are provided for push-on connectors or light-soldering for cables up to 1.5mm diameter.

     

    The 7MS is an audio driver designed for the dedicated music lover and High-Fidelity enthusiast. Attention to design detail along with a close tolerance manufacturing standard to +/- 0.05mm on most component alignments make this new generation of Markaudio transducers stand out from the crowd.

    Specifications

    Article number
    Alpair-7MS Gold
    Woofer Series
    Alpair Series
    Woofer Type
    Full-range
    Nominal Diameter
    4"
    Power Handling (RMS)
    15 Watts
    Impedance (Z)
    8 ohms
    Sensitivity
    86.3 dB 2.83V/1m
    Frequency Response
    70 to 30,000 Hz
    DC Resistance (Re)
    7.2 ohms
    Resonant Frequency (Fs)
    75 Hz
    Mechanical Q (Qms)
    2.35
    Electromagnetic Q (Qes)
    0.74
    Total Q (Qts)
    0.57
    Diaphragm Mass Inc. Airload (Mms)
    3.3g
    Mechanical Compliance of Suspension (Cms)
    1.384 mm/N
    Surface Area of Cone (Sd)
    50.27 cm²
    BL Product (BL)
    3.9 Tm
    Compliance Equivalent Volume (Vas)
    0.175 ft.³
    Maximum Linear Excursion (Xmax)
    4.5 mm
    Overall Outside Diameter
    4.41"
    Overall Depth
    2.44"
    Baffle Cutout Diameter
    3.90"
    # Mounting Holes
    5

    Reviews

    5 from 5Based on 5 reviews
    Review this product
    4 of 5
    Now after 3 weeks of living with Alpair 7M, i think i could come to some conclusion on its characteristics. Having used its predecessor the last nine years, the Alpair 7.3 a comparison is of course THE thing. As much has been written about the Alpair 7.3
    i will jump straigt to it:
    Wile the predecessor was quite forgiving and easy to implement in diverse applications, Alpair 7MS is a little of a beast. It obviously shows more resolution and maybe even more of it all, dynamics etc. But ii's harder to tame. Baffle step compensation seems to be a must, or it screams! Whether it is to be done acoustically or electronically -and how- has yet to be experimented with.
    I think that one thing to be played with could be how to shape its nearest surrounding cavity inside the enclosure (along with -of course- shaping of the front baffle)
    All in all a most interesting transducer with a LOT of potential.
    By Dynes H. on 9 November 2020
    4 of 5
    В открытой перегородке.
    Вокал и сцена действительно хороши. Звук детальный и мало меняется в зависимости от места прослушивания. И имеет достаточно глубокий и динамичный низ. Однако при увеличении выходного сопротивления усилителя (3.3 Ом) для поднятия Qts могут проявиться проблемы с подвесом даже при небольшой мощности.
    Это настоящий полный диапазон. Однако он имеет темный характер звучания. Даже на "агрессивной" музыке от него не устаешь, но ему немного не хватает яркости. Не натуральность звука металлической мембраны в некоторых сложных фрагментах заметна едва ли. Интермодуляционный всплеск также имеет темную текстуру что не плохо маскирует его проявление. Из-за провалов в АЧХ звуки на спокойной электронной музыке в соответствующих областях звукового спектра уходят на второй план.
    Это хороший и очень стабильный драйвер.
    Но если планировать подкреплять его нч динамиком, связка нч +
    Tang Band W3-1285SG, я сравнивал,
    от 200-300Гц думаю даст заметно лучший результат.
    By AS on 20 September 2020
    Show more

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    Alpair-7MS Gold 4" Full Range Woofer
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    € 69,95
    Alpair-7MS Gold 4" Full Range Woofer
    Gold
    4 In stock: In stock
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