Описание
AUDIO PERFORMANCE |
|
Fs = 44.1 to 96 kHz, 20 to 20 kHz BW, 1 kHz test tone, 0 dBFS = +24 dBu (unless noted) | |
SNR – A-Weighted, 0 dBFS = +27 dBu | 128 dB |
SNR – Unweighted, 0 dBFS = +27 dBu | 126 dB |
THD+N, 1 kHz at 0 dBFS | -113 dBFS, -113 dB, 0.00022% |
THD+N, 1 kHz at -1 dBFS | -114 dBFS, -113 dB, 0.00022% |
THD+N, 1 kHz at –3 dBFS | -119 dBFS, -116 dB, 0.00016% |
THD+N, 20 to 20 kHz test tone at –3 dBFS | -113 dBFS, -110 dB, 0.00032% |
Frequency Response at Fs=192 kHz | +0 dB, -0.015 dB (20 to 20 kHz)
-0.015 dB at 10 Hz -0.005 dB at 20 kHz -0.031 dB at 40 kHz -0.15 dB at 80 kHz |
Frequency Response at Fs=48 kHz | +0 dB, -0.015 dB (20 to 20 kHz)
-0.015 dB at 10 Hz -0.005 dB at 20 kHz |
Crosstalk | -137 dB at 20 Hz
-130 dB at 1 kHz -116 dB at 20 kHz |
Maximum Amplitude of Jitter Induced Sidebands (10 kHz 0 dBFS test tone, 12.75 UI sinusoidal jitter at 1 kHz) | < -144 dB |
Maximum Amplitude of Spurious Tones with 0 dBFS test signal | < -138 dB |
Maximum Amplitude of Idle Tones | < -147 dB |
Maximum Amplitude of AC line related Hum & Noise | < -133 dB |
Inter-channel Differential Phase (Stereo Pair – any sample rate) | +/- 0.25 degrees at 20 kHz |
Inter-channel Differential Phase (Between DAC3 Units Fs<110 kHz) Any sample rate. | +/- 0.25 degrees at 20 kHz |
Maximum Lock Time after Fs change | 6 ms |
Soft Mute Ramp Up/Down Time | 9.6 ms |
Mute on Receive Error | Yes |
Mute on Lock Error | Yes |
Mute on Idle Channel | No |
50/15 us De-Emphasis Enable | Automatic in Consumer Mode |
De-Emphasis Method | Digital IIR |
De-Emphasis Supported at | Fs = 32, 44.1, 48 kHz |
GROUP DELAY (LATENCY) |
|
Delay – Digital Input to Analog Output (function of sample rate)
|
1.36 ms at 44.1 kHz
1.27 ms at 48 kHz 0.90 ms at 88.2 kHz 0.82 ms at 96 kHz 0.51 ms at 176.4 kHz 0.47 ms at 192 kHz |
BALANCED ANALOG OUTPUTS |
|
Number of Balanced Analog Outputs | 2 |
Output Connector | Gold-Pin Neutrik™ male XLR |
Output Impedance | 60 Ohms (Attenuator off)
425 Ohms (Attenuator = 10 dB) 135 Ohms (Attenuator = 20 dB) |
Analog Output Clip Point | +30 dBu |
Factory Set Bypass Level (at 0 dBFS) | +24 dBu (Attenuator = 0 dB) |
Output Level Range (at 0 dBFS) In ‘Variable’ Mode | Off to +27.5 dBu (Attenuator off)
Off to +17.5 dBu (Attenuator = 10 dB) Off to +7.5 dBu (Attenuator = 20 dB) |
Output Level Variation with Sample Rate (44.1 kHz vs. 96 kHz) | < +/- 0.006 dB |
UNBALANCED ANALOG OUTPUTS |
|
Number of Unbalanced Analog Outputs | 4 |
Output Connector | RCA |
Output Impedance | 30 Ohms |
Analog Output Clip Point | +13.5 dBu (3.7 Vrms) |
Factory Set Home Theater Bypass Output Level (at 0 dBFS) | +8.2 dBu (2 Vrms) |
Output Level Range (with 0 dBFS digital input) | Off to +11.7 dBu (3 Vrms) |
Output Level Variation with Sample Rate | < +/- 0.006 dB |
HPA2TM HEADPHONE OUTPUTS |
|
Number of Headphone Outputs | 2 |
Output Connectors | ¼” TRS with switch on left-hand jack |
Output Impedance | < 0.11 Ohms |
Output Level Control | Stereo Control on Front Panel |
Output Level Range (at 0 dBFS) into 60-Ohm Load | Off to +21.5 dBu (9.2 Vrms) |
Output Power | 1.25 W into 30 Ohms |
Maximum Output Current | 250 mA |
Overload Protection (independent per channel) | Current limited at 300 mA, Thermal |
Bandwidth | > 500 kHz, -0.35 dB at 200 kHz |
THD+N at 20 mW | -108 dB (0.0004%) into 300 Ohms, -100 dB (0.0010%) into 30 Ohms |
STATUS DISPLAY |
|
Indicators — Type and Location | 16 LED’s on Front Panel |
Selection/Status Indication | 1 – Dim/Mute
1 — Polarity |
AC POWER REQUIREMENTS |
|
Nominal Input Operating Voltage Range (VAC RMS) | 100 – 240V |
Frequency | 50-60 Hz |
Power | < 0.5 Watts Idle 12 Watts Typical Program 15 Watts Maximum |
Fuses | 5 x 20 mm (2 required) 0.5 A 250 V Slo-Blo® Type |
Min/Max Operating range (VAC RMS) | 90 – 260 VAC 47 – 63 Hz |
DIMENSIONS |
|
Form Factor | ½ Rack Wide, 1 RU High |
Depth behind front panel | 8.5” (216 mm) |
Overall depth including connectors but without power cord | 9.33” (237 mm) |
Width | 9.5” (249 mm) |
Height | 1.725” (44.5 mm) |
WEIGHT |
|
DAC3 only | 3 lb. |
DAC3 with remote control, power cord, extra fuses, and manual | 4 lb. |
Shipping weight | 7 lb. |