DirectStream DAC

Category:

Description

“Astounding“, “Gave up vinyl finally“, “Never heard anything like it!” Product of the year in both Stereophile and TAS, Darko Knock Out award, Editor’s choice and Golden Ear awards. DirectStream is one of the most remarkable DACS ever built and the reviewers agree. Hand written, discrete, perfection based conversion that uncovers all the missing information hiding in your digital audio media. CD’s, 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.

Additional information

Brand

Physical

Unit Weight 22 lbs [13.5 kg]
Unit Dimensions 14” x 17” x 4” [ 36cm x 43cm x 10cm]
Shipping Weight 31 lbs [19 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(2), Coax, XLR Balanced, TOSLINK, USB, Network Bridge slot
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
XLR (AES/EBU) — 44.1kHz to 192kHz 16bit, 24bit, DSD 64
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 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 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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