Audio Research Reference DAC Digital Media Bridge

The Reference DAC is designed to be a digital-to-analog converter with state of the art sound quality, and also to accommodate the ever-growing formats used in today’s digital world. Combining unparalleled digital connectivity with renowned Audio Research vacuum tube technology makes the Reference DAC a leader in the world of high performance music reproduction.

The experience begins with the intuitive graphic interface, guiding you easily through input selection and the appropriate menus to begin music playback. With 9 different ways to connect, plus a built-in internet radio tuner, most digital sources are connectable to the Reference DAC. All functions are controllable with the included remote or from the available iOS/Android apps.

About this unit
Fantastic condition Audio Research Reference DAC digital media bridge with silver faceplate/handles and black body.
Unit comes in original packaging with remote control, power cord, and owner's manual.

Shipping ans insurance is $150.
PayPal payment with 3% to the final cost.

SPECIFICATIONS
Frequency response
Analog tube amplifier: +0-3dB, 0.5Hz to 200kHz at rated output. 0.15dB 20Hz to 20kHz. (Balanced, 200k ohms load).
Digital Bandwidth anti-aliasing filter @ Sample rate: 44.1kHz = 22kHz, 48kHz = 24kHz, 88.2kHz = 44kHz, 96kHz = 48kHz, 176.4kHz = 88.2kHz, 192kHz = 96kHz.

Distortion
THD+N Less than .006% at 2V RMS BAL output.

S/N ratio
106dB

Resolution
44.1kHz to 192kHz, SPDIF, USB 2.0 HS and Wired Ethernet. 96kHz max over Wireless Ethernet.

Output impedance
600 ohms Balanced, 300 ohms SE Main (2), 20K ohms minimum load and 2000pF maximum capacitance.

Dynamic Range (AES17)
106dB

IMD (SMPTE)
.007%

Gain
Max. Digital Gain: 25dB Balanced, 19dB SE.

Input Impedance
Digital: 75 ohms BNC, RCA, 110 ohms AES/EBU, OPT 660nm TOSLink fiber 44.1 to 96kHz.

Output Impedance
600 ohms Balanced, 300 ohms SE Main (2), 20K ohms minimum load and 2000pF maximum capacitance.

Output Polarity
Non-inverting.

Rated Outputs
2V RMS .5Hz to 100kHz into 200K ohm balanced load (maximum balanced output @ 0.0dB input level is 17V RMS at less than 0.05% THD+N at 1kHz) @ 192kHz sample rate.

Master Oscillator
22.579mHz ±20Hz for 44.1, 88.2 & 176.4kHz. 24.576mHz ±20Hz for 48, 96 & 192kHz sample rates.

Intrinsic Jitter
<10ps

Power Supplies
Electronically regulated low and high voltage supplies. R-core transformer & 7 low noise regulators. Automatic 45 sec. warm-up/brown-out mute. Line regulation better than .01%.

Noise
-101dBV RMS 20-20kHz A-weighted (Volume at 1)

Tube Complement
(4)-6H30 dual triodes, plus (1)-6550C and (1)-6H30 in power supply.

Crosstalk
-90dB

Dimensions
19" W x 7" H (standard rack panel) x 15.5" D. Handles extend 1.50" forward of the front panel.

Weight
32 lbs net; 42 lbs shipping