Benchmark DAC3 L (Silver)


  • HK$16,000.00

  • Product Code: DAC3 L (Silver)



The DAC3 is Benchmark's newest 2-channel D/A converter featuring the new ESS Technologies ES9028PRO converter chip. The DAC3 converter has lower THD and THD+N noise than Benchmark's DAC2 converter.

Benchmark's DAC1 and DAC2 D/A converter families have been the reference to which other converters have been compared. It is rare to find a converter review that does not draw comparisons to the DAC1 or the DAC2. Benchmark converters are in daily use at many of the world's finest recording studios and mastering rooms. Benchmark converters are also enjoyed by thousands of audiophiles. Benchmark has raised the bar again ... the DAC3 defines a new reference.

The DAC3 delivers outstanding musical detail and precise stereo imaging. It employs an advanced high-headroom digital filter design, and a high-sample-rate Asynchronous USB Audio interface. All inputs are fully isolated from interface jitter by Benchmark's new UltraLock3

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


 


DIGITAL AUDIO INPUTS

Number of Digital Inputs (switch selected)


5 (1 USB, 2 Optical, 2 Coaxial)


Number of Channels


2


Input Sample Frequency Range


28 to 210 kHz (Coaxial Inputs)


28 to 96 kHz (Optical Inputs)


44.1, 48, 88.2, 96, 176.4, 192 kHz (USB Input)


Maximum Input Word Length


24 bits


Digital Input Impedance


75 Ohms (Coaxial Inputs)


DC Blocking Capacitors on Digital Inputs


Yes (Coaxial Inputs)


Transient and Over-Voltage Protection on Digital Inputs


Yes (Coaxial Inputs)


Minimum Digital Input Level


250 mVpp (Coaxial Inputs)


Jitter Tolerance


(With no Measurable Change in Performance)


 


>12.75 UI sine, 100 Hz to 3 kHz


>1.5 UI sine at 20 kHz


>1.5 UI sine at 40 kHz


>1.5 UI sine at 80 kHz


>1.5 UI sine at 90 kHz


>0.25 UI sine above 160 kHz


Jitter Attenuation Method


Benchmark UltraLock3™ - all inputs


 


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


  


STATUS DISPLAY

Indicators - Type and Location


16 LED’s on Front Panel


Selection/Status Indication


1 – Dim/Mute


1 - Polarity

6 – Input

2 – Bypass/Calibrated Output

2 – Word length

4 – Sample Rate


 




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.


IMPORTANT FEATURES

Sample Rate Display

Word Length Display

5 Digital Inputs

2 Stereo Analog Inputs (2 RCA)

3 Stereo Analog Outputs (2 RCA, 1 XLR)

Digital Pass Through

Native DSD Conversion

Polarity Switch

Asynchronous USB 2.0

Driverless Asynchronous USB 1.1

Home Theater Bypass

Bi-Directional 12 Volt Trigger

Power Switch

Low Power Consumption

ES9028PRO Converter

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