PS Audio DirectStream DAC

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  • Regular price $5,995.00


PS Audio DirectStream DAC

 

The DirectStream is an original and very forward-thinking product ... Perhaps best of all, as I've already seen, it's very easily upgraded.
— ART DUDLEY, STEREOPHILE

 

I highly recommend putting the PS Audio DirectStream DAC on your must-audition list if you’re considering purchasing a DAC in its price range—or even if you’re willing to spend more, even a lot more. It’s easily the best DAC I’ve heard in my system, making digitally-recorded music sound better than I’ve ever heard it.
— VADE FORRESTER, THE ABSOLUTE SOUND

 

A pure DSD approach to play back digital audio

DirectStream is one of the most remarkable DACS ever built. Hand written, discrete, perfection based conversion that uncovers all the missing information hiding in your digital audio media for all these years. CD’s, downloads, high-resolution PCM or DSD based media are expertly upsampled in the DirectStream to ten times DSD rate and output as pure analog directly into your amplifier or preamplifier.

DirectStream 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.

Features

  • Pure 100% DSD based D to A Converter
  • Resolution perfect volume and balance controls built in
  • Upsamples PCM and DSD to 10x DSD rate
  • 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
  • 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 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 levels: 1.41 Vrms(+5BV)/3.15 to 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 ratio:  >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


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