PS AUDIO DIRECTSTREAM DAC

€9,800.00
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The DirectStream DAC is our reference standard D to A converter. It is unlike any standard chip-based DAC, and has received countless awards, worldwide.

DirectStream is one of the most remarkable DACS ever built as all the major reviewers agree. Hand written, discrete, perfection based conversion that uncovers all the missing information hiding in your digital audio media. CD’s, streaming audio, high-resolution PCM or DSD based media are expertly upsampled in the DirectStream to twenty times DSD rate and output as pure analog directly into your amplifier or preamplifier. There has never been a better sounding DAC at anywhere close to the price of DirectStream. It is the first choice of thousands of critical listeners worldwide, and with its ability to accept our free Operating System upgrades, will never become obsolete.

Inizio modulo

DESIGN

DirectStream converts every input signal, both PCM and DSD, to single-bit, high sample rate 20X DSD signal. Use of a FPGA rather than an off the shelf DAC chip provides immense processing power, resulting in complete lack of digital glare, and allows the owner to download OS updates as they are released.

APPLICATION

DirectStream is the heart of a reference quality digital audio based system. It handles all PCM sources up to 352.8 kHz, and DSD 64 and 128. Its zero-loss digital volume control allows it to be used as a preamplifier, directly feeding a power amp. Include the Network Bridge to stream Qobuz, Tidal, and Spotify. Roon ready.

Class A+ Stereophile rated DirectStream DAC converts any digital input format from CDs, servers, and streamers, into a pure DSD format and outputs near-perfect analog directly to your power amplifier or preamplifier. Whatever the format, sample rate, or the medium, DirectStream provides a pure output that fulfills the promise of high-resolution analog performance from digital sources. DirectStream is the work of digital audio genius, Ted Smith. Unlike conventional DACs that rely upon off the shelf DAC chips, DirectStream is hand written onto a FPGA (Field Programmable Gate Array). This allows far more precise and accurate processing of the digital signal, resulting in significantly better sound quality and upgradeability in the field. Every six months or so, Ted Smith's continual research into digital audio reproduction nets another breakthrough in performance. DirectStream DAC owners are given it free in the form of a downloadable upgrade. In this way, DirectStream owners can be assured that their unit will continue to improve over time, and never become obsolete. 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.

 

Features

100% DSD BASED D-A CONVERTER

UPGRADABLE VIA SOFTWARE RELEASES

VOLUME, BALANCE CONTROL BUILT IN

UPSAMPLES PCM AND DSD TO 20x DSD RATE

DXD SUPPORT

PASSIVE TRANSFORMER COUPLED OUTPUT

IMPROVES IMAGING + SOUNDSTAGE

DIRECT SIGNAL PASS WITH 1x MASTER CLOCK

HANDWRITTEN FILTERS, PROCESSORS, SAMPLERS

IMMUNE TO OUTSIDE SOURCE JITTER PROBLEMS

INCREASED DIGITAL HEADROOM

NO OFF-THE-SHELF IC-DAC CHIPS USED

UNCOVERS DETAILS USUALLY MASKED BY PCM PROCESSORS

7x DIGITAL INPUTS

MQA + TIDAL READY WITH OPTIONAL BRIDGE II

FULLY BALANCED FROM INPUT TO OUTPUT

COLOR TOUCH SCREEN

 

Specifications

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

Digital 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

0.282 VRMS Balanced
0.141 VRMS Single Ended

Output level high, maximum

2.818 VRMS Balanced
1.414 VRMS Single Ended

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

 

3356_3548

Specific References

ean13
810283013259
mpn
0403026

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