Luxman introduced the world’s first high-end audio Multi Standard Music Player, the DU-10 in 2001. Luxman introduced their first Fluency DAC (DP-07) in 1987 which won Japan’s highest award, the Grand Prix from Stereo Sound.

Sight and sound at the highest quality. The DU-80 is the pinnacle of Luxman’s Multi Standard Music Players. The DU-80 plays not only DVD Audio, DVD Video, SACD and CD, but also music CD-R and Video CD–in a word, nearly all the 5″ optical disc formats in both stereo or multi-channel. It’s your choice to play whichever disc you want, but you’re guaranteed the highest standard of performance and pure joy from both audio and video discs. It’s the ultimate form of home entertainment, courtesy of Luxman.

Equipped with a Stereo Fluency DAC (FEDAC) that has a wonderful, relaxed, musical delivery. It has a rich, full bodied tone that will seduce you with its natural presentation. The DU-80 throws a huge 3-D soundstage; the musicians are laid out in front of you so realistically, that you feel when you close your eyes that you can extend your arm and touch the nearest performer..

Luxman’s top of the line multi standard music player, features many unique technical innovations, such as tow different DACs, switchable from the front panel, one stereo, the other stereo & multi-channel. Peel Coat PCBs with gold plated traces. An eight pound mechanical grounding system for the drive mechanism, the bottom chassis plate is stiffened by epoxy, then a smaller copper plate is placed in the center to absorb stray Radio Frequency Interference & Electro Mechanical Interference. Truly a wonderful sounding universal music player.

In the DU-80 music player the drive mechanism is mounted in a special eight pound, mechanical grounding housing. Even the Konbohuretsukusu loading tray is painted with a special dampening material, specially chosen for its sonic qualities.

Sound Quality

The relationship between sound quality and test measurements still remains mysterious. You cannot achieve good sonics just by competing on distortion figures nor by simply extending the frequency range. While Luxman commits a large amount of their resources into Research & Development, the final arbiter is the listening session. It is not enough for a different component / technique to sound different but it needs to complement the tonal quality that Luxman reveres.

Fluency & Shannon DACs

It is no surprise that the emphasis is on sound quality, it’s video performance is a bonus. The video circuitry may be turned off from the front panel. A choice of two different audio DACs (digital to analogue converters) are on board; Shannon {stereo & multi-channel} and Fluency (FE), {stereo} the button on the left hand side of the display allows one to chose between them while the music is playing. Please allow the player to warm up for a few hours before serious auditioning. The differences are not subtle!

Fluency DAC (FEDAC)

In 1987 Luxman introduced the DA-07 Fluency DAC and DP-07 separate CD Transport. Fluency DAC was an application of the function interpolation theory developed by Dr. Toraichi, a professor at Tsukuba University, Japan. The DA-07 became a sensation because its high-speed DSP permitted recreation of the frequency range not recorded on a CD. The Fluency Theory not only considers the reproduction of continuous sine waves but also the reproduction of impulse waves as well. See the test response above. As processing power has increased over the intervening two decades, so too has Luxman”s ability to harness this unique technology to produce remarkably natural music.

A long standing belief was that the upper limit of human hearing was around 20 kHz. In real life, however, information beyond 20 kHz frequencies exists, and it is generally recognized that the presence of this information can significantly enhance the listening experience. While we may not hear the first order harmonic, we can hear the lower order harmonics, underneath. When a CD is recorded, on account of the limitations of the 44.1 kHz sampling frequency, the audio upper limit is restricted to 22 kHz. Using the Fluency theory and the DSP on board, permitted recreation of the high frequency range previously stopped by the brick wall filter in regular DACs. The listener finds it easier to distinguish the sounds of individual instruments, even when many instruments are playing at the same time, and the quality of recorded reverberation is significantly improved, resulting in greater realism, the sound is more relaxed and a much closer reproduction of a live performance.

Shannon Digital Analogue Converter

The Shannon DAC unlike the Fluency DAC is frequency based (rather than time based like the Fluency DAC) though like the FE DAC it is also a Non-Oversmpling DAC.

The Sound of Non-Oversampling

The difference between a non-oversampling DAC and a conventional oversampling DAC with the digital filter lies whether you attach importance on the accuracy in the time domain or in the frequency domain. In other words, whether you choose the musical performance or the quality of a sound. This trade-off line defines the boundary of the current digital audio format .
A natural, stress-free sound that communicates the musicians” intention directly to you; that is the sound of a non-oversampling DAC. The feel of this sound is closer to that of analog reproduction.

The Fluency DAC is best applied to a redbook, stereo PCM signal, namely CD or equivalent datastream, such as digital radio.

This is just one of the milestones in Luxman”s 82 year history, with many more to come. What is clear in retrospect is that Luxman products have always successfully combined the latest electronics engineering and aesthetic designs for high performance and a finely crafted look, without making any compromises.

In terms of performance, we build our products to deliver natural sound that brings a spiritual serenity to the listener. And in terms of aesthetic, we stress the interplay of light and shadow, so Luxman products present a solid, sculpture-like impression.

The merging of sensibilities and technology to give a product its unique personality, that is and always has been our philosophy at Luxman.

Item Value
Compatible Formats: DVD audio, DVD video, SACD (multichannel, stereo) & CD.
Audio DACs: Shannon: CS4392 dual use (192KHz/24bit)

Fluency (FEDAC): FN1242A dual use (192KHz/24bit)

DSD: CS4392 dual use (2.82MHz/1bit)

Audio Decoder: DVD audio stereo & multichannel, SACD stereo & multichannel, Dolby Digital and DTS
Frequency Response: 4Hz~45KHz (DVD audio, SACD), 4Hz~20KHz (CD)
Harmonic Distortion: 0.001% (DVD audio, CD), 0.002% (SACD)
Dynamic Range: 115dB (DVD audio, SACD), 106dB (CD)
Signal-to-Noise Ratio: 125dB
Video DAC: ADV7314KST (216MHz/14bit)
Progressive Processing: 2:3 pull-down and 3D adaptive motion processing. Pure Cinema Progressive Scan
Dimensions: 18.3” W x 5.8 (H) x 15.6 (D)
Weight: 46 lbs.

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Press Reviews

Uday Reddy wrote a review of the Luxman L-509u in SoundStage, after we lent him a DU-80 he subsequently wrote a follow-up:

SoundStage! logo“Although the high-rez formats exceeded the resolution of Red Book CD, all did share one common trait with the DU-80: There was a relaxed presentation and a more natural flow to the music than I’ve experienced with other players. The Luxman DU-80 is the most analog-sounding digital player I’ve ever heard, with ease and liquidity that never once approached becoming analytical or mechanical. These qualities were even more noticeable when the DU-80 was paired with the L-509u, perfectly complementing its finest qualities with regard to pace, rhythm and timing. To hear the DU-80 is to want it, and boy do I want it!”

Positive Feedback Online logo“The Luxman DU-80 Multi-Standard Music Player is a religious experience, one of the most deeply involving, spiritually compelling musical instruments I’ve ever auditioned, capable of delivering the depth of detail and frequency extension digital has always promised, yet with an analog-level of resolution, spatial realism, midrange liquidity, timbral accuracy and wealth of low level detail that is utterly spellbinding in a curiously relaxed manner, which to suggest another analogy, reflects vacuum tube qualities. The DU-80 allows listeners to fully experience the music in there here and now, an utterly convincing depiction of the time domain that seemingly transcends the playback medium itself.

“The Luxman DU-80 truly delivers on the promise of the high end audio experience, and even at a suggested retail ticket of $10,500, more than justifies its price point. The DU-80 is not just some flavor-of-the-month hype, but an aural and technical achievement on the cutting edge of music reproduction, which can more than hold its own against the most esteemed digital front products within its immediate price range, and indeed, even some over-heated products selling for considerably more money. What’s more, it’s not just that it’s so bloody good, but that it offers listeners a sonically original perspective on the digital experience that is uniquely Luxman. Can you feel me?”

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