Old Lyme, CT â€“ April 17, 2012 â€“Â Building a hi-fi device that sounds so brilliant, so crystal clear and so free of distortion as if one were sitting right in front of the audio source. Creating a level of acoustics that surpasses everything that has gone before. These are the visions that driveÂ SennheiserÂ in the development of its high-end products. For the first time, Sennheiser is now launching an amplifier for dynamic headphones, thus making the Sennheiser sound experience perfect. The digital HDVD 800 has a fully symmetrical layout and sampling frequencies of up to 24bit/192kHz to ensure an unequalled listening experience. It also harmonises perfectly with Sennheiser’s HDÂ 800, HDÂ 700, HDÂ 650 and HDÂ 600 high-end headphones.
The outstanding features of the HDVDÂ 800 include its balanced sound image, maximum precision and impressive spatiality. The high-end headphone amplifier has a fully symmetrical layout for operation with analogue audio sources, thus ensuring absolutely symmetrical signal transmission from the source to the headphones. For use with digital sources, the amplifier is equipped with a high-quality Burr-Brown digital/analogue converter that converts digital audio data into analogue signals with a resolution of 24 bits and a sampling rate of up to 192Â kHz. This enables the HDVDÂ 800 to transmit the entire frequency spectrum of high-end audio sources without any loss of frequencies.
â€œThe search for perfect sound is a constant motivation for us to develop new ideas,â€ said Maurice QuarrÃ©, Director Product Lifecycle Management Sennheiser Consumer Electronics.â€œThe best example is the legendary Orpheus. These electrostatic headphones with a vacuum tube amplifier, which came onto the market around 20 years ago, have become an icon in the audio world. With the HDVDÂ 800, Sennheiser is now taking up the tradition of the Orpheus, providing music lovers with the perfect combination of Sennheiser headphones and a specially matched amplifier.â€
Top-quality technology, top-quality sound
Signal processing in the HDVDÂ 800 is fully symmetrical. That means that not only the signal input into the amplifier is symmetrical but also the signal output and therefore the connection to the headphones. â€œThe fully symmetrical principle effectively compensates for interference and distortion. The sound therefore becomes much clearer as total harmonic distortion is minimised,” explained Axel Grell, Sennheiserâ€™s Senior Acoustical Engineer.Sennheiser supplies specially made cables for the symmetrical connection to headphones. The headphones can, however, also be connected using a normal 6.3 mm jack plug. In addition to the symmetrical inputs, the HDVDÂ 800 also has an asymmetrical input socket; incoming signals are symmetrised before further processing takes place. Digital sources are connected to the rear of the unit as an AES/EBU input, S/PDIF(optical and coaxial) or USB. The USB 2.0 audio standard offers 24 bit data transmission at 192 KHz.*
In order to fully exploit the sound potential of the HDVDÂ 800 with any audio source, a rotary gain switch at the rear of the unit provides simple adaptation of the amplifier output to the audio input voltage. This ensures that the dynamic range can be used to its full extent.
High quality in every detail
A glass panel embedded in the aluminium housing of the amplifier gives a clear view of the top-quality interior of the HDVDÂ 800. Selected components and sophisticated circuitry promise the ultimate in listening pleasure. The rotary potentiometer is mechanically connected to the volume control by a 150mm long shaft. This unusually long potentiometer shaft allows the signal path between the audio source and the potentiometer to be kept very short, thus preventing possible interference of the signal.Â High-quality components (Alps RK 27 quad) ensure that the volume is controlled with maximum precision and a fine rotary â€˜feelâ€™. Also visible through the glass panel are the cooling element, the audio relay and countless MELF resistors for the amplifier.â€œThe material selection has been thought through down to the finest detail in order to fully exploit the amplifierâ€™s sound potential. The audio aspects of each individual component were evaluated in listening tests before the optimum combination was finally chosen,â€ said Maurice QuarrÃ©.
And such meticulous attention has also been applied to the exterior. Both the housing and the potentiometer control as well as the rotary switch for selecting the source are made of anodised aluminium, while the front panel of the housing and the controls are milled from solid material. The HDVD was developed and designed in Germany, and the latest member of Sennheiserâ€™s high-end series is also being manufactured there.
The new digital HDVDÂ 800 will be delivered to Sennheiserâ€™s worldwide sales partners from September.
Sennheiser is a world-leading manufacturer of microphones, headphones and wireless transmission systems. Established in 1945 in Wedemark, Germany, Sennheiser is now a global brand represented in 60 countries around the world with U.S. headquarters in Old Lyme, Conn. Sennheiser’s pioneering excellence in technology has rewarded the company with numerous awards and accolades including an Emmy, a Grammy, and the Scientific and Engineering Award of the Academy of Motion Picture Arts and Sciences.
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