Name: DirectStream DAC
Availability: InStock

Product Description

Stereophile Recommended Component 2015

Class A+ Stereophile rated DirectStream DAC converts any digital input format, such as PCM or DSD to a pure DSD stream and outputs near-perfect analog directly to your power amplifier or preamplifier. Whatever the format, whatever the sample rate, DirectStream is a pure DSD based solution that fulfills the promise of a high-resolution analog performance standard the originators of CDs promised over 30 years ago. Hear what’s been missing in your music for all these years. If you know the sound of music and instruments, and want to hear what’s been missing on your discs, then this DAC is right for you.

This product qualifies for our risk free in-home trial in the continental United States when purchased directly from PS Audio. And, trade in and save. Let us repurchase your old equipment at its full and original retail price. We’ll give it a good home and make sure you have the best power in the world. Just click the green Trade Up and Save button above these words to take advantage.

Now, full MQA, Tidal (including Masters), Spotify, VTuner, Qobuz, and Roon ready when you have the Bridge II installed.

Pure 100% DSD based D to A Converter
Fully upgradable through software releases
Resolution perfect volume and balance controls built in
Upsamples PCM and DSD to 20x DSD rate
DXD support
Purely passive transformer coupled output
Improves imaging and soundstage
Simple, direct signal path with one master clock
Hand written filters, processors and upsamplers
Immune to incoming jitter problems from different sources
Increased digital headroom
No off-the-shelf IC DAC chips used
Uncovers musical details masked by typical PCM based processors
7 digital inputs
MQA and Tidal ready with optional Bridge II
Fully balanced from input to output
Color touch screen

Part Time Audiophile

John Richardson

I feel fairly safe in concluding that not only are these components highly enjoyable to hear and use, but that they are also safely on the cutting edge of digital audio reproduction. And I don’t see that premise changing anytime soon, what with PS Audio’s commitment to free software updates to anyone purchasing the gear. I don’t think the digital audio enthusiast could go wrong with this pair!

Jeff Dorgay

I can’t think of a better digital disc player than the PS Audio DirectStream Memory Player and DAC. (Neither of these six figure players will play your DVD-a discs) If I had more than two thumbs to raise I would offer them, it’s that good. The only remaining choice is whether you want silver or black.

Greg Petan

Attaining the performance provided by the PerfectWave transport and DirectStream DAC even five years ago would have cost multiples of the PS Audio Duo. This potent, engagingly musical front end will allow you to rediscover the plethora of CDs in your collection with a fresh, more organic and dynamic take. And with the millions of CDs flooding the used market the PerfectWave Transport and DirectStream DAC will be a great musical partner standing by your side for years to come.

Scott Hull

The DirectStream DAC is the hottest thing to come of PS Audio since forever. This unconventional design, even as it does all manner of violence to the heart of the purist with all of his “do nothing to the signal” whining, just kills it. Its performance is on par with some of the very best “traditional” designs on the market, and with its potential for endless upgradability, the DirectStream is revolutionary.

Art Dudley

Time will tell if and when these levels of performance, flexibility, and luxury will become available for less than $6000. But today, for those who've waited for a computer-friendly DAC that offers, with every type of music file, the best musicality of which DSD is capable, the PerfectWave DirectStream may be in a class by itself.

Vade Forrester

DirectStream’s easily the best DAC I’ve ever heard in my system, making digitally-recorded music sound better than I’ve ever heard it.

Chris Martens

The real magic of this DAC may centre on its handling of PCM material—material the DAC gives greater smoothness, fluidity, dimensionality, and elegance than it might otherwise have had. I don’t mean to suggest by this that traditional PCM playback methods cannot or do not sound perfectly good in their own right, because they certainly can and do. But if PCM playback has an identifiable ‘failure mode’ it might be that PCM files can at times sound a bit flat and 2-dimensional, while exhibiting subtly edgy and/or mechanical qualities that tend to hold the listener at arm’s length from the music. ... I will tell you that it makes these sorts of playback problems better—and sometimes eliminates them almost completely.

Deon Schoeman

the jump from downmixed to true, native DSD was quite astonishing.
It lifted a previously unnoticeable opaqueness, allowing unfettered access to the full harvest of tonality and detail.

Dave Clark

Synergy and magic. Right now here in our listening room...Way deeper bass, way more open, way less whatever being in the way of our music… way more music. Dynamics… try My Disco's "1991" or anything from Lustmord. Happy times.

Karl Sigman

The DS is a game changer; I think it has caused the ‘war’ between DSD and PCM to be on hold or mute for most of us, and above all hold your horses before buying expensive high-resolution PCM files or DSD. That alone is a major accomplishment.

Ted Brady

as a dual format DAC (PCM and DSD) it leads the pack, and at the end of the day, I am not thinking about other DACs (ok, that sounds too creepy I guess, sorry). When given DSD128, like the wonderful Eric Bibb download compilation of analog-to-DSD tape transfers, A Selection of Analogue (Opus 3, DSD128) his slightly gravely-but-soft voice comes through in great detail, without sacrificing tone and, well, analog(ue) naturalness. Whether it's the pedal organ and the Deacon choir on "Where the Green Grass Grows" or the steel guitar solos throughout, the relaxed feeling of Eric Bibb music is conveyed nicely, thank you

Brian Kahn

The DirectStream DAC is one of the finest-sounding DACs I have heard. Many will be excited just to see that it can accept DSD signals, but I would say that they are being shortsighted. The DSD processing of all signals is what makes this unit special.

John Darko

PS Audio’s DirectStream DAC is a goto unit for vinyl fans who’ve previously found digital playback to sound too rigid or uptight. The DirectStream is simultaneously more mellow and understated; there’s less of the celestial awe of the Aqua La Scala MKII and less of the ultra-colourful exuberance of the AURALiC Vega.

In driving this point home I’ve put my money where my mouth is: I’ve purchased the DirectStream review unit in spite of already having a multitude of terrific sounding DACs here to play with. I think that speaks for itself.

It sets a new benchmark in my books

The PS Audio DirectStream is a musically authentic, thoroughly engaging and ultimately compelling DAC that elevates the listening experience to an entirely new level. Its treatment of any digital material, regardless of format, is quite astounding — even MP3s and Internet radio sounded vibrant and exciting.

100 out of 100

Matthias Böde of Germany's Stereo Magazine gives DirectStream 100 out of 100 points. The article is in German, but it can easily be translated and viewed if German's not your native language.

Marja and Henk

But what happened now was beyond our expectations. Maybe we had been lulled into a bit of been-there-done-that reviewer fatigue but the DirectStream’s handling of this CD became a rude wakeup call and put us back on edge to eat crow. Damn, the performances of the various groups and soloists were so real and at such dynamic range, it was hard to believe that the source material was a simple 16/44.1 Redbook CD.

Michael Lavorgna

Even at low listening levels, music retained its character with no sense of the sound washing out. For those people looking for a direct-to-amp DAC/Digital Preamp, consider the DirectStream a solid contender.

Frank Alles

After listening to the PS Audio PerfectWave DirectStream DAC for the past few months it is my opinion that DirectStream represents a new benchmark in audio reproduction. Notice that I didn’t say “digital audio reproduction.” In other words, in my view the PS Audio DirectStream is the most musically and technically capable device of any type that I’ve ever had the pleasure to evaluate. My heartfelt congratulations go out to Paul McGowan, Ted Smith, and PS Audio’s excellent design team for making DirectStream a reality for those of us who truly love our music.

this bloody DAC, DSD to the fore, is a real killer. Flat-out, stone-cold, and damn-straight

This is a brilliant design, with exceptional execution, and paradigm-setting sound.

I can tell you, this bloody DAC, DSD to the fore, is a real killer. Flat-out, stone-cold, and damn-straight.

It has been a while since 2008, but now I have to say that the DirectStream DAC is the first real rival to Playback Designs that I've heard. It goes right to the top of my heap of DSD DACs, right next door to the PD Series-3.

The envelope for the audio arts has moved out yet again. To tell you the truth, I couldn't be more pleased! This is good for music, for our recordings, and for us all.

And that is the highest compliment that I can pay to PS Audio's breakthrough product….

Richard Murrison

The DirectStream’s sound is non-fatiguing in an almost tube-like way. It is smooth and relaxing. Surely, you tell yourself, it must be sacrificing detail to deliver this. But no. With recording after recording, the DirectStream presents layers and layers of detail in such a way as to produce a sound which is very easy to listen to, and with a low fatigue factor, even with CD sources. As someone with very little tolerance for the fatiguing nature associated with CD, I find this to be a most appealing characteristic.

I choose to nominate the new flagship DAC from PS Audio

It is truly an exceptional product, and a DAC that allows even the most familiar music to surprise and enthrall.
Yes, the folks at PS Audio understand that with digital audio, there can be no final word. Meet the Directstream – a DAC that is ready to keep up with the conversation.

DirectStream shown with optional Network Bridge installed. The network Bridge provides local network access to NAS, and most network UPnP applications.

Physical
Unit Weight	22 lbs [9.97 kg]
Unit Dimensions	14” x 17” x 4” [ 36cm x 43cm x 10cm]
Shipping Weight	31 lbs [14 kg]
Shipping Dimensions	20.5”x 24” x 10” [52cm x 61cm x 25cm]
Power requirements
Input Power	Model specific 100VAC, 120VAC, or 230VAC 50 or 60Hz
Power Consumption	30W
Digtial audio inputs	I2S(2), Coax, XLR Balanced, TOSLINK, USB, Network Bridge slot
Sample Rates	I2S, and USB -- 44.1kHz to 352.8kHz 16bit, 24bit, DSD 64, DSD 128 TOSLINK – 44.1kHz to 96kHz 16bit, 24bit XLR (AES/EBU)S/PDIF (coax)-- 44.1kHz to 192kHz 16bit, 24bit, DSD 64
Analog Audio Output
Connector	RCA/XLR Unbalanced /Balanced (X2)
Output level, low	1.41 Vrms(+5BV)/3.15
Output level high, maximum	2.81 Vrms (+8dBV)/5.3 Vrms (+12dBV)
Output Impedance	100Ω/200Ω
Frequency Response	20-20KHz +/- 0.25dB
THD&IM @ 1KHz (full scale)	<0.03%
Output Stage	Passive audio transformer, fed by high current, high speed analog amps producing double rate DSD.
Data Handling
Format	PCM or DSD
Sample rate (PCM)	44.1kHz, 48.0kHz, 88.2kHz, 96.0kHz, 176.4kHz, 192kHz, 352.8kHz
Word length (PCM)	16b, 18b, 20b, 24b
Data rate (DSD)	Standard (2.8MHz) or Double (5.6MHz) DoP as well as raw DSD on I2S and USB inputs
Input jitter reduction	effectively 100%, residual immeasurable. No input PLLs, FLLs.
Input Processing	170MHz
Signal Processing	50MHz
Synchronous Upsampling, all inputs	28.224MHz
Digital Processing S/N ration	>146 dB
Digital Volume Control	Zero loss of precision
Analog Conversion method	Delta Sigma (DSD) Single-bit double rate
I2S Digital Input
Connector	HDMI
Format	PCM or DSD. DoP on all inputs as well as raw DSD on I2S inputs
USB Digital Input
Connector	USB “B” Type
Format	PCM or DoP v1.1 (DSD over PCM)
Transfer mode	Asynchronous

	$6899
Less trade-in	$0
Subtotal	$6899

DirectStream DAC

A pure DSD approach to play back digital audio

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DirectStream DAC

Product Description

Part Time Audiophile

John Richardson

Tone Audio

Jeff Dorgay

Positive Feedback

Greg Petan

Part Time Audiophile

Scott Hull

Stereophile

Art Dudley

The Absolute Sound

Vade Forrester

Hi Fi PLus

Chris Martens

AV Magazine

Deon Schoeman

Positive Feedback

Dave Clark

Audiophilia

Karl Sigman

Computer Audiophile

Ted Brady

Home Theater Review

Brian Kahn

Digital Audio Review

John Darko

AV Magazine (South Africa)

It sets a new benchmark in my books

Stereo Magazine (Germany)

100 out of 100

6 Moons

Marja and Henk

AudioStream

Michael Lavorgna

Stereo Times

Frank Alles

Positive Feedback

this bloody DAC, DSD to the fore, is a real killer. Flat-out, stone-cold, and damn-straight

Bit Perfect

Richard Murrison

Headphone Guru

I choose to nominate the new flagship DAC from PS Audio

Physical

Power requirements

Digtial audio inputs

Sample Rates

Analog Audio Output

Data Handling

I2S Digital Input

USB Digital Input

Questions?

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DirectStream DAC, Silver