Audio Research DAC 9

Audio Research DAC 9

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Audio Research DAC9

The DAC 9 digital-to-analog converter decodes most current formats with state-of-the-art vacuum tube technology. Five digital connections – USB, RCA, BNC, AES/EBU, and Toslink – provide connectivity to all of your digital sources. Quad DAC architecture provides a balanced digital signal, wide dynamic range, and decoding resolutions from red book CD up to 384 kHz and native DSD sampling rates. A pair of 6H30 vacuum tubes are the heart of the analog circuit. Both balanced and single-ended connectors are provided for output connectivity. Native-rate upsampling and selectable digital filters allow customization of the digital signal.

Cutting-edge engineering on the digital side mates to a vacuum tube analog section that uses a pair of 6H30 dual triode tubes. The DAC9 is a balanced design with a Class-A, zero-feedback analog section and no capacitive coupling. Like other products that have preceded it, the DAC9 combines remarkable resolution with relaxed musicality. Audio Research’s sonic legacy—clarity, dynamics, dimensionality and musical authority—are obvious and thoroughly engaging. 


USB 2.0 HS (480 Mbps): 44.1 to 384 kHz, DSD (2.28225 mHz), 2xDSD (5.6448 mHz); RCA (75Ω SPDIF): 44.1 to 192 kHz; BNC (75Ω SPDIF): 44.1 to 192 kHz; XLR (110Ω SPDIF): 44.1 to 192 kHz; AES/ EBU: 44.1 to 192 kHz; Optical (660 nM Toslink ber): 44.1to 96 kHz



Rated Outputs

3.8V max balanced; 1.9V max single-ended

Tube complement

2 – 6H30P dual triodes


Width:19” (48 cm)
Height: 6.5” (13.7 cm)
Depth: 13.7” (34.8 cm)
Handles extend 1.6” (4 cm) forward of the front panel


13.9 lbs. (6.3 kg) Net; 20.4 lbs. (9.3 kg) Shipping

Intrinsic jitter

<10 pS 


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