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Product Description

Our Best Outboard DAC is Also a Killer Headphone Amp and Preamp!

The DAC1-PRE Won "Product of the Year" Awards from Stereophile, The Absolute Sound and HiFi News in 2008!

2009 Golden Ear Award Winner from The Absolute Sound!

This new DAC from Benchmark has everything you need! The DAC1-Pre is first and foremost a reference-quality DAC, with Benchmark’s award-winning 24Bit/192k digital-to-analog conversion. This DAC is dead-quiet with an extremely analog-like musical portrayal of instruments and voices. This can be the heart of any complex computer/digital audio system, incorporating six stereo inputs including an analog input, a USB computer input, an optical input, and three coaxial digital inputs (perfect for connecting a Wadia iTransport!). Its elegant analog output stage is what gives this DAC its supreme accuracy and perfect detail retrieval. The DAC1-Pre has a proprietary UltraLock re-clocking circuit to ensure you get bit-perfect transmission and complete immunity to jitter. Includes their incredible reference-level HPA2 Headphone Amplifier, a high-current output section with two headphone jacks on the front panel. There is a reason every audio magazine has gushed over this DAC...hear one for yourself! 100% Music Direct Money Back Guaranteed

“There is really no option but to honor this device. The Benchmark DAC1PRE measured performance shows all artifacts, analog or digital, to be miles downstream, and the sound lives up to the corresponding expectations. Completely quiet, absolutely clean, and uncluttered by any electronic detritus, the DAC1PRE gives the sensation of listening directly to whatever is coming in, be it digital or analog!"
– Robert E. Greene, The Absolute Sound, Golden Ear Award Issue, June/July 2009

  • Six Stereo Inputs: Analog RCA, USB, TOSLINK optical, and three digital coaxial
  • Utilizes 24-bit/192-kHz DAC1-PRE DAC system
  • Benchmark’s phase-accurate UltraLock™ technology provides total jitter immunity
  • AdvancedUSB™ computer audio interface for native 96k/24bit USB audio
  • Compatible with Windows Vista/XP/2000 and Mac OS X without driver installation
  • State-of-the-art LM4562 high-current, low distortion op-amps for all analog circuits
  • Four stereo outputs: XLR balanced, RCA unbalanced, and two headphone jacks
  • True-analog volume control on front panel
  • Built-in HPA2™ headphone amplifier - 0-Ohm, high-output, two output jacks
  • Selectable gain-range for headphone amplifier to match headphone sensitivity
  • Left-most headphone jack mutes XLR and RCA outputs (this feature is defeatable)
  • Power button and rotary source selector
  • “Calibrated/Variable” switch determines gain control for main analog outputs
  • Front-panel gain control of all analog outputs (in “Variable” mode)
  • Front-panel gain control of headphone outputs only (in “Calibrated” mode)
  • Rear-panel trim-pots control gain of XLR and RCA outputs (in “Calibrated” mode)
  • Selectable, low-impedance attenuators (0, 10, 20, or 30 db) on XLR outputs
  • Status LED’s - display input selection and error conditions
  • Low radiation toroidal power transformer significantly reduces hum and line related interference

Digital Input Sample Rate Range: 28 to 195 kHz
THD+N: -107 dB, 0.00045% (w/ -3 dBFS input)
SNR - A-W eighted: 116 dB (w/ 0 dBFS = +20 to +29 dBu)
Maximum Amplitude of Jitter Induced Sidebands (10 kHz 0 dBFS test tone, 12.75 UI sinusoidal jitter at 1 kHz): < -141 dB
Maximum Amplitude of AC line related Hum & Noise: < -126 dB
Headphone amp output impedance: 0.01 Ω
Headphone amp output-level range (@ 0 dBFS into 60-Ω load): Off-to-+21 dBu
Headphone amp THD+N: -107 dB, 0.00045% (w/ -3 dBFS input)

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