Benchmark DAC1 - Digital to Analog Audio Converter - Discontinued
The DAC1 has been discontinued. This model has been replaced by the DAC2
Series D/A converters. The DAC2 series has higher performance and
many more features.
Buy a Factory Refurbished DAC1 exclusively on our website!
The DAC1 is a reference-quality, 2-channel 192-kHz 24-bit audio digital-to-analog converter featuring Benchmark’s
UltraLock™ technology. The DAC1 is designed for maximum transparency and is well suited for critical playback in
studio control rooms and in mastering rooms. A compact and rugged enclosure makes the DAC1 an excellent choice
for location recording, broadcast facilities, and mobile trucks.
Made in the USA
Benchmark products are designed and manufactured in the USA.
An Industry Standard
Benchmark's award-winning DAC1 has become a standard in the finest recording studios and mastering rooms. Audio
engineers rely of the accurate, uncolored, and precise sound of Benchmark DAC1 converters. The DAC1 is free
from digital artifacts and its analog sound eliminates the fatigue that is caused by many digital devices.
Audiophiles have also discovered the smooth and detailed sound of the DAC1, and it has become a centerpiece in
may home listening rooms.
International Power Supply
The large internal power supply supports all international voltages and has generous margins for over and under
voltage conditions. The power supply is sized to supply the demands of the HPA2™ headphone power amplifier when
driving two sets of headphones.
Calibrated or Variable Output Levels
The front-panel gain control sets the output level of the headphone jacks. It can also be used to control the output
level of the balanced XLR and unbalanced RCA analog outputs. A rear-panel switch selects "Variable" or
"Calibrated" output levels. In the "Calibrated" setting, the rear-panel outputs are controlled by multi-turn
Direct Interface to Power Amplifiers
All Benchmark DAC1 and DAC2 converters are designed to directly interface with power amplifiers and powered
monitors. The XLR outputs are equipped with Benchmark's exclusive low-impedance passive output attenuators.
These attenuators can be set in 10 dB steps to optimize the gain-staging between the DAC and the power
amplifier. This important feature maximizes the signal to noise ratio of the entire playback system.
Digital interconnect cables, electro-magnetic interference, and many other variables introduce jitter into the
digital audio. Jitter presents a major problem to most D-to-A converters. Jitter is a type of clock error that,
if not properly addressed, can cause the D-to-A to misfire. The result of these misfires is a non-musical,
Many modern (and expensive) converters suffer from severe jitter-induced distortion. Jitter is NOT a problem for the
DAC1, which achieves jitter immunity by utilizing Benchmark's proprietary UltraLock™ clock-recovery system.
With the UltraLock™ clock-recovery system, the digital-to-analog conversion-clock in the DAC1 is totally isolated
from the clock of the digital audio input. This clock-recovery topology outperforms even the most well-designed
two-stage PLL designs. Using state-of-the-art Audio Precision testing equipment, no jitter-induced artifacts can
be detected with the DAC1. Any signal that can be decoded by the AES/EBU receivers will be reproduced without
the addition of any measurable jitter artifacts. The bottom line is this: Benchmark converters will consistently
and faithfully deliver truthful audio with no jitter-induced artifacts, no matter what variables are present.
Add Benchmark Cables to Complete You New System
Benchmark offers a no-nonsense selection of very high-quality cables. Benchmark cables are designed for durability and transparency, and most are
manufactured in the USA. Our optical cables are manufactured in Canada.
Add a Rack-Mount Kit
All Benchmark DAC1, DAC1, ADC1, and MPA1 products are housed in a 1/2-wide 1 RU chassis. Two units can be mounted
side-by-side in a 1-RU tray.
HPA2™ Headphone Power Amplifier
The DAC1 features the HPA2™ - Benchmark's signature high-current, 0-Ohm headphone power amplifier. The HPA2™ is
arguably the ultimate reference headphone power amplifier. It will deliver the full rated performance of the
DAC1 to the headphones. The HPA2™ maintains less than 0.0003% THD+N under full load. The DAC1 has two 1/4"
headphone jacks on the front panel. The performance of the HPA2™ remains consistent even when two headphones are
being driven simultaneously.