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    Sennheiser HD 820 Wired Over-Ear Flagship Audiophile Reference Headphones - Black

    FJ $5,633.37 excl. VAT

    Sennheiser HD 820 Wired Over-Ear Flagship Audiophile Reference Headphones - Black Closed-Backed - Designed & Manufactured in Germany - 2 Years Warranty

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    Audiophile Headphones

    Description

    HD 820 - A benchmark listening experience as vivid as it is uninterrupted.
    The new audiophile standard
    The critics said closed headphones could never sound as immersive as their open-air counterparts. They said physics would never allow it. To that we simply said, "listen". The HD 820 combines an innovative glass reflector and ring radiator transducer technology for a benchmark listening experience.
    - The new audiophile standard for closed-back headphones - 56mm Ring Radiator dynamic transducer system - Concave Gorilla Glass reflectors deliver impressive spatial sound reproduction - Acoustic absorber system prevents frequency masking for unheralded detail - Ultra-ergonomic adjustable metal headband with inner damping element - Luxuriously comfortable microfiber ear and headband padding on key contact points - Developed in Germany and precision-built at Sennheiser's state-of-the-art Ireland plant - Impedance: 300 ohms - Frequency Response: 6 - 48,000 Hz (-10 dB) - Total harmonic distortion: 0.02 % (1 kHz 1 Vrms)
    Completely closed. Outrageously open.
    The HD 820 fuses our cutting-edge transducer capabilities with exceptional ambient noise attenuation, transcending the perceived limits of closed headphones.
    Until now, the audiophile headphone experience could only begin with Sennheiser's open back design-a design that paved the way for an entire class of precision listening devices. This standard of sound reproduction would go on to surpass hi-fi systems exponentially larger in size and cost with the understanding that listeners would not be isolated from their surroundings. The HD 820 sacrifices neither detail nor sound field thanks to its innovative acoustical systems in a closed, dynamic headphone.


    Reflecting within
    A closed back headphone able to produce the wide, natural sound field of an open one requires rethinking the directional characteristics of sound waves.


    Fellowship of the Ring
    An achievement in its own right, the 56mm ring radiator found in the HD 820 leverages the key benefit of a large diaphragm transducer-air displacement-without losing the rigidity that favorably impacts rest and response times.
    Instead of a single attachment on the outer circumference of the transducer, both outer and inner edges of the 'ring' are secured to the drive unit. The voice coil vibrates the diaphragm, connected to the V-shaped groove found near the center of the ring. The headphone's vibration-damping chassis and inert headband insert provide complete stability, resulting in astonishing speed and accuracy throughout the entire frequency spectrum. What you put into the HD 820 is precisely what you will get out of it, too. Each transducer is manufactured, tested, and measured to an extremely tight tolerance to ensure the most dependable performance out of the box. Each HD 820 also includes the frequency response plot unique to that set's serial number, sparing no resource to help you retrieve the most critical details from every corner of your music collection.


    Exhaustive engineering
    The deep, almost magical stereo imaging of the HD 820 is the sum of the exhaustive engineering poured into it.
    Developed in Germany and crafted at our state-of-the-art Ireland plant, its fit and finish is second only to its sound quality. When combined with the ring radiator's superlative response, the driver's angle allows you to locate voices, instruments, and their inherent environments. The sound field expertly balances realism and escapism, transporting you to the heart of your favorite recordings and nowhere else. The luxurious ear padding and progressive articulation points form a satisfying seal, eliminating distractions for added focus during extended listening sessions. For critical listening tasks and private listening alike, the HD 820 prevents unwanted sound from coming in or bleeding out.


    An Ergonomic Treat
    The HD 820 delivers on long-term wearing comfort too, providing a listening experience as plush as it is immersive.
    Every contact point utilizes ultra-soft padding, while purpose-built composites reduce weight and unwanted pressure. Each earcup provides dual-axis articulation that instantly and effortlessly conforms to your head's unique structure. The result is a listening session that never gets in the way of your passion for hi-fidelity sound reproduction.


    It's all about connection
    As a centerpiece of your constantly evolving rig, your go-to headphones should offer the versatility to listen on your terms.
    As a centerpiece of your constantly evolving rig, your go-to headphones should offer the versatility to listen on your terms. Your HD 820 comes with a versatile set of essential cables, each one impedance-matched with ultra-low capacitance. The οΏ½-inch / 6.3mm stereo connector offers the audiophile-standard plug for connection to devices such as headphone amplifiers, DACs, and A/V receivers. A balanced 4.4mm connector opens a pathway to a newer generation of balanced output devices (headphone amplifiers, digital audio players, etc.) that embrace this compact plug's superior stability over time. An optional XLR-4 balanced cable is available, providing yet another popular connection to a wide range of audio components. Each cable is 9.8ft / 3m long to accommodate unencumbered listening from devices anywhere on your shelves, in your studio, or on your desktop.


    - Reference class open-back audiophile headphones - Closed-back earcups - 56mm ring radiator transducers - German craftsmanship - Detachable cable





    Frequency response (speaker)
    6 Hz - 48,000 Hz
    Sound pressure level (SPL)
    103 dB (1 V)
    Impedance
    300 O
    Total harmonic distortion (THD)
    < 0.02% (1 kHz, 100 dB)
    Cable length
    3 m
    Adapter
    XLR-4, balanced, 4-pin Stereo jack plug: 1/4" (6.35 mm), unbalanced, 3-pin 4.4 mm, balanced, 5-pin
    Transducer principle
    dynamic, open
    Weight
    360 g
    Ear coupling
    circumaural
    Magnetic field
    10.5 mT
    Article number (SKU)
    507435
    What's included
    Headphones HD 820 (closed, dynamic headphones) connection cable: ΒΌ" (6.35 mm) stereo jack plug (connected ex works), unbalanced 4.4 mm stereo jack plug, balanced USB flash drive (SD-U16L version) with instruction manual (as PDF file) and individually diffuse-field frequency response curve instruction manual storage box microfiber cloth


    Manufacturer Part No:

    507435
    Brand:

    Sennheiser

    Product Type:

    Flagship Audiophile Reference Headphones
    UPC

    615104300439
    Product Family:

    HD
    Shipping Weight:

    1 kg
    PB Part No:

    HSTSEN507435
    Product Model:

    820



    Warranty:
    12 months *
    * Warranty period is as stated above unless the manufacturer has chosen to specify a longer period.
    All warranties are return to base unless otherwise specified.

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