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September 2019
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STEREO Magazine

T+A SDV3100HV Streaming DAC And PDT3100HV Disc Drive
T+A took a giant step forward with its HV series.
Review By Matthias Böde Of STEREO Magazine


T+A SDV3100HV Streaming DAC And PDT3100HV Disc Drive Review


  Imagine if you had a free choice on the wheel of fortune. Over and over again. As often as you want! That's how it feels when you press the mighty volume control on T+A's brand new SDV3100HV Streamer-DAC-preamplifier, whereupon it jumps into source selection mode and scrolls through the numerous options in the turquoise illuminated display kind of like you would on a smartphone.

The list seems nearly endless: it starts with "UPnP/DLNA" for your home network, continuing with the pre-installed links to streaming services Qobuz, Deezer and Tidal – no Spotify, because you can't expect anyone to be content with MP3 here. “USB Media" follows thereafter for sticks and hard drives, to which T+A offers two ports, one of which is conveniently accessible from the front. "Roon Ready" then indicates that the ingenious music management software can also be used.


Almost Endless Possibilities
Every streamer offers access to the "Internet radio" with its myriad of programs, which is the next stop while scrolling. The popular "podcasts" are also included. Since we had connected the SACD drive via T+A's proprietary "IPA Link", which also transmits the SACD data stream, in our case "PDT3100HV" followed. Subsequently "FM Radio" as well as "DAB Radio" pop up. Yes it's true: You don't have to miss either the traditional FM radio or its modern successor.


T+A SDV3100HV Streaming DAC And PDT3100HV Disc Drive Review


Still following? Then you might be interested in "USB DAC IN", i.e. the possibility to connect computers directly with the all-rounder from Herford, Germany. Not enough yet? If you press the powerful rotary knob after choosing "Bluetooth", you can play music from your smartphone in no time at all. During our tests, the SDV3100HV, which is powered by two power cables for immediate connection / communication with the source devices.

After that – we are still far from finished – the phalanx of seven digital inputs follow individually: two optical, two coaxial and two BNC versions plus a balanced "AES/EBU" socket. There's even a double pack of HDMI inputs for audio from Blu-ray players and other AV components. In between there are – very importantly – the two analog inputs, for example for a phono preamplifier or other analog sources, one of which is designed according to Cinch and the other to XLR standards.

Last but not least there is "Network Audio" for closed networks that music lovers create with ultra-fast computers and GHz routers in order, for example, to feed the SDV3100HV with extremely high-resolution data streams. We've done this to explore the capabilities of the ultimate 26-kilo media center (see box). Not only does it have an extremely versatile array of connections, but it also touches the limits of what is technically possible.


T+A SDV3100HV Streaming DAC And PDT3100HV Disc Drive Review


T+A SDV3100HV Streaming DAC And PDT3100HV Disc Drive Review


For example, separate converter paths are provided for PCM and DSD signals. Looking through the HV-characteristic “porthole” in the solid exterior, four Burr-Brown double The "BBs" process PCM in 32-bit/768kHz, to which any PCM files are upsampled by clever calculation of intermediate values. This is handled by a previous DSP, from the simple 16-bit/44.1kHz CD standard to any high-bit formats such as 24-bit/192kHz, which is also often encountered "in the wild".

Ultra-precise femto-clocks in the immediate vicinity of the Burr-Brown DACs ensure decidedly precise and therefore low-jitter processes. They as well are used in double arrangement, each being specialized on specific sampling rates in order to avoid floating-point errors. While one just handles rates of 44.1kHz and its multiples (88.2, 176.4 kHz, etc.), the other takes over the job accordingly at frequencies from 48kHz (96, 192 kHz, etc.). Here, too, the following applies: what an effort!


T+A SDV3100HV Streaming DAC And PDT3100HV Disc Drive Review


If, on the other hand, the T+A is fed with DSD streams, whether from the new HV drive or via LAN cable from network or USB, the original format remains unaffected and runs through an array of 32 discrete switches per channel, which are located as inverted plus/minus pairs in 16 small chips and convert the signals into voltage levels. The SDV3100HV takes DSD up to a bandwidth of almost 50 MHz, the so-called DSD1024. Nobody else does such a complex upsampling (PCM) in combination with purist D/A conversion (DSD). This also shows that the price of €24,900 for the SDV3100HV is not only based on the excessive use of material.

This statement does also apply to the 29 kilogram CD/SACD drive PDT3100HV for €14,900, which equally sets standards. Already just the quiet, gently sloping buzz when the drawer milled from solid aluminum is extended and retracted conveys an impression of the precision on offer here. Just as the informative calligraphic text display.

As briefly mentioned at the beginning, if you operate the drive in conjunction with the SDV3100HV, you can use the special connection "IPA Link", instead of the normal digital outputs of the SDV3100HV, which are of course also available, and transfer SACD data this way. This makes the PDT3100HV nearly a must-have addition to T+A's SDV media-professional, for all those who still want to use their extensive disc collection and listen to it in the very best quality.

In order not to be dependent on possibly unreliable suppliers who might stop the production at some point – many HiFi fans know the situation all too well – the Germans build their own drive guided on a linear bearing. This even includes signal processing software. Only the optics is bought in. This should defuse any spare parts issues and prevent future frustration.


Advantages Through IPA Link
We compared the PDT3100HV primarily to the integrated drive in T+A's "smaller" MP3100HV media player, which was identical in construction but mechanically much less solidly packaged and also suitable for CDs and SACDs. We had connected both devices to the SDV3100HV using first-class digital cables. In fact, the soloist PDT was able to positively set itself apart because it sounded even more relaxed, calm and orderly. We had equipped both drives with the new STEREO hearing test CD IX, let them run time-synchronously and switched with the new remote control F3100 between digital inputs – T+A's popular FD100 remote does unfortunately not work with the SDV, but there is a new app.

The distance was not huge, but still clearly audible and is mainly due to the "massively" increased mechanics. So the orchestra that Eduard Strauss performed in his "Bahnfrei Polka" appeared even more spacious and, in its three-dimensionality, more clearly outlined and more precisely staggered. The MP was somewhat left behind when we heard the PDT via IPA Link instead of the symmetrical AES/EBU input. The "Isocronous Precision Audiolink" consists of a total of eight lines, which transmit four signals in symmetrical circuitry, i.e. in phase and inverted, with extremely low loss. Now the sound images gained an additional lightness and naturalness that the MP could no longer resist. Not to mention the SACD capability, which is lost in the normal way.

Consequently, the new Super-Drive from Herford takes over the reference throne of the CD drives and thus also qualifies for other D/A converters of the high-end league as a first-choice partner, whereby the selection is of course limited to the classic CD. Happy hi-fi contemporaries, who can purchase the combination of PDT and SDV3100HV, can additionally also enjoy their perfectly transmitted SACDs.


T+A SDV3100HV Streaming DAC And PDT3100HV Disc Drive Review


T+A SDV Is Absolute Top
But what is in it for the discerning listener in general and in absolute terms? Well, in any case, the sound quality of the MP3100HV is even higher than that of the superb MP3100HV, not only in terms of the possibilities for processing PCM or DSD Hi-Res Music files. The PDT/SDV duo from Herford also redefines their "HV" standard for source devices in terms of sound.

The CD playback regarding its effortlessness and finesse reaches a class that we couldn't reach with other conventional DACs – even if they were of the ultimate high quality, attached to the PDT3100HV – let alone complete players. The T+A duo, for example, took our breath away with Rafael Fraga's "Terra Presa", which presented this title that is at once delicately nuanced in color and exemplarily rich in detail, yet completely homogeneous, as exactly the masterpiece of fragile beauty and balanced proportions that it is.

And, of course, this also applied to the SACD performance. The delicately speckled “Secret O' Life" by James Taylor, which we inserted as a puristic single layer SACD disc of the highest quality, touched us with its genuine intimacy. T+A gave free rein to emotions without tainting them with any effects. The music captivated through immediacy, was simply "there" in all its facets and thus worked through itself.

If the SDV was supplied with CD data from the PDT or high bit files from the network & Co in the common way using a coaxial or symmetrical digital line, a just as extremely detailed and finely resolved sound image was produced, which distinguishes the player. All instruments and voices are clearly outlined and accurately depicted, without even a rudimentary lack of sparkling musicality.

The SDV3100HV is therefore also part of the crème de la crème even with common data transmission standards and can stand up to any challenger, who is usually much less well equipped. In combination with T+A's drive and IPA Link, it marks the top in terms of performance with CD's and especially SACD's.

The fact that the T+A, which by the way is also available as SD3100HV for €23,400 as a pure source device without preamplifier branch and volume control, offers two analogue inputs makes it all the more interesting as the central unit of any system. Especially as the output is at a high level here, too, which we had no doubt about after the outstanding sound of other sources via the T+A.

Of course, the SDV had to be measured against other top preamplifiers. These were real challenges, but ultimately no problem for T+A. Here, too, we experienced head-to-head races, during which the SDV3100HV often offered a more orderly, organized sound – once again in combination with its fragrant, lively grace as well as its nimble, finely nuanced presence, which is hard to ever get enough of.


T+A SDV3100HV Streaming DAC And PDT3100HV Disc Drive Review


Welcome To The Top Of The World!
Wherever you take a look at the SDV3100HV, especially its multimedia capabilities, you will find competence and clever solutions. Again and again the opulent comfort package amazes, which even includes two headphone outputs as separate stages in potent "HV" technology – one of which was designed symmetrically – as well as a comprehensive menu from balance control to a selection of four digital filters to adjustable display brightness. The sound radiates a captivating aura of perfection even with supposedly less ambitious Bluetooth transmission and FM radio – which we have of course tried out as well.

In addition to its high-class transistor and hybrid power amplifiers, T+A now also offers a comprehensively modern media preamplifier and SACD drive that is world-class in every inch! Now I can finally return to the T+A's high end wheel of fortune to discover even more of the HV's fascinating cosmos with just a few turns.


T+A SDV3100HV Streaming DAC And PDT3100HV Disc Drive Review


T+A SDV3100HV Streaming DAC And PDT3100HV Disc Drive Review




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T+A elektroakustik GmbH & Co. KG
Planckstraße 9-11
D-32052 Herford

T +49 (0) 5221-7676-0
F +49 (0) 5221-7676-76
E-mail: info@ta-hifi.de
Website: www.TA-HiFi.de
















































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