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PS Audio DirectStream JR

The DSJ is an extraordinary performance instrument–handwritten and uncompromised–a pure DSD Digital to Analog Converter uncovering all the missing information long hidden in your audio library, from both PCM and DSD sources.

$3999.00

Whatever the format, whatever the sample rate, DirectStream Junior (DSJ) provides a pure DSD based solution that fulfills the promise of high-resolution analog performance from digital audio. 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.

DSJ provides remarkable performance that uncovers all that buried treasure in your digital music collection. In fact, we’re confident enough to suggest you haven’t really heard what’s on your CDs and SACDs until you hear them reproduced through the DSJ. Connect DSJ to your NAS, computer, or favorite internet streaming station through its built in Bridge II, I²S through an HDMI cable to the PWT (or upcoming DirectStream Transport playing your favorite SACD), or any digital output source, and sit back and relive musical performances few have enjoyed at any price.



Pure 100% DSD-based D to A Converter
Fully upgradeable through software releases
Built in Bridge II Network streaming Audio input
Resolution perfect volume and balance controls built in
Upsamples PCM and DSD to 10x DSD rate
DXD support
Passively filtered high speed output stage
Improves imaging and soundstage
Simple, direct signal path with one master clock
Handwritten filters, processors and upsamplers
Immune to incoming jitter problems from different sources
Increased digital headroom
No off-the-shelf IC DAC chips used
FPGA-based circuitry
Uncovers musical details masked by typical PCM based processors
6 digital inputs
Fully balanced from input to output


Specifications

Physical

Unit Weight 18 lbs [8.1 kg]
Unit Dimensions 14” x 17” x 2.75” [ 36cm x 43cm x 6.98cm]
Shipping Weight 27 lbs [12.25 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, Coax, XLR Balanced, TOSLINK, USB, Ethernet
Sample Rates
I²S,S/PDIF, and USB -- 44.1kHz to 352.8kHz 16bit, 24bit, DSD 64, DSD 128
TOSLINK – 44.1kHz to 96kHz 16bit, 24bit
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 Active 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 on all inputs as well as raw DSD on I²S 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