DirectStream Junior

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Description

DSJ is a technological wonder that builds on the same architecture awarded Product of the Year in both Stereophile and TAS, Darko Knock-Out award, Editors’ Choice and Golden Ear awards. 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. CD’s, high-resolution PCM, or DSD based media, are expertly upsampled to ten times DSD rate and output as pure analog directly into your amplifier or preamplifier. DSJ is one of the few, true, fully analog DSD devices, that’s setting the industry on its ear and reshaping the landscape of music and high end audio. And now, DSJ is ROON Ready!

Additional information

Brand

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

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