Specifications - DirectStream DAC MK2
Physical |
|
| Unit Weight | 21 lbs [9.53 kg] |
| Unit Dimensions | 14” x 17” x 4” [ 36cm x 43cm x 10cm] |
| Shipping Weight | 30 lbs [13.6 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 | 25W |
Digital audio inputs |
I2S (2), Coax, XLR Balanced (2), Optical, USB |
Sample Rates |
Optical (TOSLink): PCM 16 and 24 bits at 44.1kHz, 48kHz, 88.2kHz and 96kHz
S/PDIF and AES3: PCM 16 and 24 bits at 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz and 192kHz; DoP64 Dual AES3: PCM 16 and 24 bits at 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz and 352.8kHz; DoP64 and DoP128 I2S: PCM 16 and 24 bits at 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, and 705.6; DoP64, DoP128, DoP256, DSD64, DSD128, and DSD256 USB: PCM 16 and 24 bits at 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, and 705.6; DoP64, DoP128, DoP256, DSD64, DSD128, and DSD256 |
Analog Audio Output |
|
| Connector | RCA single ended or balanced, XLR balanced |
| Output level high, maximum | 4 VRMS Balanced 2 VRMS Single Ended |
| Output Impedance | <100Ω/<200Ω |
| Frequency Response | 20-20KHz +/- 0.25dB |
| THD+N @ 1KHz (full scale) | <0.1% |
| 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; 705.6kHz |
| 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 | 225.792MHz |
| Signal Processing | 56.448MHz |
| Synchronous Upsampling, all inputs | 56.448MHz for 48k, 96k or 192k; 11.2896MHz for all others |
| Digital Processing S/N ratio | Upsampling > 210dB, volume control and Sigma Delta Modulator: > 330dB |
| Digital Volume Control | Zero loss of precision |
| Analog Conversion method | low pass filter DSD256 (quad rate DSD: single bit DSD at 11.2896MHz) |
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, DoP v1.1 (DSD over PCM), or Native DSD |
| Transfer mode | Asynchronous |