Beer, bits and sunshine in Boulder with PS Audio, Mountain Sun


26th September. “The new DirectStream Memory Player (DMP) takes all that was great about the [PerfectWave] Memory Player, adds all that PS has learned about signal processing from our DirectStream and DSJ DACs, and applies it to a unit with a new, bulletproof transport, a USB-stick input, and the ability to play SACDs and output raw DSD to our own DACs.”

So ran the Bill Leebens-penned press release introducing PS Audio’s new silver disc spinner.

In PS Audio’s hometown of Boulder, Colorado ahead of this year’s RMAF – at which the DMP will makes it debut – this commentator traded the obvious factory tour in for a local brewery tour – that of Mountain Sun.


Over drinks delivered by the finest service this side of the Atlantic, company CEO Paul McGowan introduced the DirectStream Memory Player. Its nerdy-knockout feature is its i2s outputs’ ability to pipe an SACD’s ‘raw’ DSD layer into a downstream D/A converter; a bitstream that would otherwise be locked down by Sony’s encryption.

The DMP’s main attraction however is CD playback – a format seems to be going strong among DAR readers despite the mass market’s steady migration to streaming services. Perhaps a result of the CD’s ability to strike the middle ground between convenience and collectability?

A pair of small stouts later and we move across town to McGowan Junior’s cafe, the Alpine Modern, where McGowan Senior discusses the DMP’s front panel USB port – a real boon for show-goers who prefer to go BYO on tune supply.

Watch here:

The press release continues: “At the heart of the DMP is a refinement of the Digital Lens…that ensures that bits emerge in a perfectly-timed stream, unaffected by the electrical or mechanical properties of the transport. After eight years of research and two years of development, PS engineering has been able to decrease the considerable memory requirements of Memory Player and improve the timing of digital audio data. The new Lens takes advantage of advances in semiconductor architecture found in FPGAs (Field Programmable Gate Arrays, as used in both DirectStream and DSJ). Using a single large scale integrated FPGA, Bob Stadtherr devised a segmented structure including intelligent RAM, two-way isolated communication with the drive, and near-field output latches controlled by an ultra-low-jitter fixed clock.”

The DirectStream Memory Player will sell for US$6000. Shipping commences December 1st.

Further information: PS Audio


Written by John H. Darko

John lives in the NOW + HERE = NOWHERE. He derives an income from the ad revenues of DAR. John is also an occasional staff writer for Stereophile, 6moons and TONEAudio.

Twitter: DarkoAudio
Instagram: DarkoAudio
Facebook: DAR


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  1. Nice!
    I can’t help thinking about their next move (?):
    ‘Make way for the DSjr Multichannel DAC, a perfect companion for the DMP’ 🙂

  2. Hey John, I hope you enjoyed your time here in the People’s Republic. Looking forward to your coverage of RMAF. Maybe we’ll bump into one another while listening to the good Schiit.

  3. Maybe they could drop the price some more If they drop the the center/sub and rear channels’ digital outputs, and just retain the stereo AES, I2S, RCA, and add just 75r BNC for stereo digital out.. Maybe call the stereo only version DMP Jr.?

  4. interesting news. good setting, good natural light, good video.

    always interested in hearing about worthwhile beer experiences.

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