Stereo Analog / Digital Converters

API Audio
Neve
Barefoot Sound
Shadow Hills Industries
Retro Instruments
Waves Audio
Coles Microphones
Endless Analog Clasp

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Results 1-10 of 49

Stereo Analog / Digital Converters

Choosing Antelope Audio Zodiac 
means you are taking a big step into a new world of digital sound 
clarity, where your listening experience will expand with warmth and 
detail. Connect your PC, Mac, CD player or any other digital source and 
enjoy sublime performance from the high grade headphone amplifiers or 
analog outputs to your speakers. 
 
We consider our 64-bit Oven Clock the most important technology in 
delivering the signature Antelope sound. While interfacing with common 
digital audio signal sources, Zodiac technology leaps ahead, resulting 
in pristine audio normally only obtained by professionals. Custom 
circuit designs handle the digital audio to produce incredible results 
that have not been seen or heard before. 
 
Great sound is not something that goes out of fashion, so Zodiac is a 
DAC to be enjoyed for many years to come. 
 
Features 
<ul><li>Custom USB chip streams audio up to 96kHz</li><li>Antelope Oven Clock for supreme stability</li><li>64-bit Acoustically Focused Clocking (AFC)</li><li>129dB Dynamic Range</li><li>THD+N: 0.0004%</li><li>Ultra Linear, Dual Stage Headphone Amps</li><li>Accurate Level Display for Main Volume</li></ul>
Connections 
<ul><li>2x S/PDIF coaxial Inputs</li><li>2x Optical TOSLINK inputs</li><li>USB on mini B type connector</li><li>Balanced Analog Outputs on XLR</li><li>Unbalanced Analog Outputs on RCA</li></ul>
Oven Controlled Clock 
Often overlooked, the quality of the clock is extremely important when 
high quality audio is desired. The clock is housed in a shielded 
container where the temperature is kept constant, therefore bringing 
significant benefits to the detail, dynamics and stereo placement of the
 audio. 
 
64-Bit Technology 
Sophisticated 64-bit algorithms allow precise control over our 
Acoustically Focused Clocking (AFC) and Jitter Management; two critical 
components to improve audio via clocking. The incoming digital signal is
 brought to life with this unique 64-bit technology, resulting in smooth
 and detailed audio whatever the method of digital connectivity. 
 
Antelope Performance USB 
Custom implementation of the USB chip leads to extreme audio performance
 and comprehensive support for your system. There are user selectable 
modes tailored to suit both Mac and PC; and with a data transfer rate of
 480Mbits flawless audio is achieved with native drivers. 
 
Smooth Headphones 
Ultra Linear, Dual Stage Headphone Amps deliver smooth sound at both 
high and low levels. Custom designed for accurate monitoring with a wide
 range of headphone impedance's. Controlled by a dedicated volume knob. 
 
Cutting-edge design 
To preserve the full bit resolution of the DAC, volume adjustment is 
entirely in the analog domain. Separate analog and digital power 
supplies eliminate digital cross-talk. This is further enhanced by 
keeping analog and digital circuits on separate PCB’s. These gold plated
 boards utilize large internal ground plains, canceling noise and 
voltage shifts. 
 
Nuts and Bolts 
All component decisions for Zodiac are based on a passion to produce 
something very special - technically, musically and aesthetically. Built
 with many solid aluminum parts and also very cute on the eye, it will 
be your pride and joy just like it is our passion. 
 
In the Box 
<ul><li>ZODIAC High Definition 192kHz D/A converter</li><li>Printed Documentation</li><li>DC Power Supply</li><li>IEC type power cable</li><li>USB cable</li><li>Optical TOSLINK cable</li></ul>

Antelope Audio Zodiac
High Definition 192kHz D/A Converter

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A sophisticated and powerful DAC, Pre-Amp and Headphone Amp for most refined tastes. 
 
Features 
<ul><li>Unibody machined aluminum Remote Control</li><li>Custom USB chip streams audio up to 384kHz</li><li>Matched to 0.05 dB Relay Volume Attenuator</li><li>Antelope Oven Clock for supreme stability</li><li>64-bit Acoustically Focused Clocking (AFC)</li><li>Ultra Linear, Dual Stage Headphone Amps</li><li>Switchable (120 or 0 Ohm) HP amp impedance</li><li>De-jittered, re-clocked Digital Audio Outputs</li><li>129dB Dynamic Range</li><li>Accurate level display for Main volume</li><li>Mono summing function</li><li>Mute (soft dim & full mute)</li><li>PC/Mac Software Control Panel</li><li>Audiophile Double-linear Power Supply option</li></ul>
Connections 
<ul><li>2x Headphone Outputs on 1/4” TRS</li><li>Trim-able balanced Analog Outputs on XLR</li><li>Unbalanced Analog Outputs on RCA</li><li>Balanced Analog Inputs on 1/4” TRS</li><li>Unbalanced Analog Inputs on RCA</li><li>AES/EBU Digital Input</li><li>2x S/PDIF coaxial Inputs</li><li>2x Optical TOSLINK inputs</li><li>USB on standard B type connector</li><li>Word Clock Input on BNC</li><li>De-jittered AES/EBU Output</li><li>De-jittered 2x S/PDIF Outputs</li></ul>

Up to 384 kHz Sampling Rate

Antelope Audio is one of the first to offer 384kHz capability. In doing 
so, we hope to match and exceed the expectations of even the most 
critical of ears. Now audiophiles can enjoy the highest bandwidth that a
 USB 2.0 interface can provide for audio.

Stepped Relay Volume Attenuator

When adjusting volumes, it’s imperative that the stereo image remain 
completely intact. The Zodiac Gold achieves this by incorporating 
stepped relays that are matched to 0,05 dB to maintain the most accurate
 stereo balance at all volume levels.

PC/MAC Software Control Panel

Computer-based audio sources have become more and more popular in the 
audiophile community. To enhance the use of the Zodiac with USB, we 
designed a Software Control Panel that improves the interaction between 
computer and converter. Antelope’s Intuitive software helps combine 
great sound with ease of use.

Remote Control

The stylish champagne colored Zodiac Gold is matched perfectly to it’s 
elegant aluminum unibody remote control. This isn’t just another remote 
control to toss under a coffee table, it’s a beautifully crafted device 
that will enhance the experience of owning a Zodiac Gold.

Professional features

Added flexibility for the professional user makes for a distinctly 
powerful device: AES Input, fine trimmers on the balanced outputs, mono 
button, mute select (soft & full), transparent analog inputs, BNC 
word clock input, 384kHz USB.

De-Jittered Audio Output

Digital outputs on AES/EBU and S/PDIF offer all the benefits of 
Antelope’s 64-bit Acoustically Focused Clocking, so external devices 
gain significant sonic advantages when connected to Zodiac Gold.

Source Switching

With a number of different inputs available, you can monitor many 
sources such as CD, Laptop, DAW or Mixers and Keyboards. Balanced and 
unbalanced inputs at both +4db and -10db allows tremendous flexibility, 
while auto detection of connected devices means source selection is 
simple and convenient.

Oven Controlled Clock

Often overlooked, the quality of the clock is extremely important when 
high quality audio is desired. The clock is housed in a shielded 
container where the temperature is kept constant, therefore bringing 
significant benefits to the detail, dynamics and stereo placement of the
 audio.

64-Bit Technology

Sophisticated 64-bit algorithms allow precise control over our 
Acoustically Focused Clocking (AFC) and Jitter Management; two critical 
components to improve audio via clocking. The incoming digital signal is
 brought to life with this unique 64-bit technology, resulting in smooth
 and detailed audio whatever the method of digital connectivity.

Antelope Performance USB

Custom implementation of the USB chip leads to extreme audio performance
 and comprehensive support for your system. There are user selectable 
modes tailored to suit both Mac and PC; and with a data transfer rate of
 480Mbits flawless audio is achieved with native drivers.

Smooth Headphones

Ultra Linear, Dual Stage Headphone Amps deliver smooth sound at both 
high and low levels. Custom designed for accurate monitoring with a wide
 range of headphone impedances. Controlled by a dedicated volume knob. 
For different sound texture the amplifier impedance is switchable 
between 120 and 0 Ohm.

Cutting-edge design

To preserve the full bit resolution of the DAC, volume adjustment is 
entirely in the analog domain. Separate analog and digital power 
supplies eliminate digital cross-talk. This is further enhanced by 
keeping analog and digital circuits on separate PCB’s. These gold plated
 boards utilize large internal ground plains, canceling noise and 
voltage shifts.

Nuts and Bolts

All component decisions for Zodiac Gold are based on a passion to 
produce something very special - technically, musically and 
aesthetically. Built with many solid aluminum parts and also very cute 
on the eye, it will be your pride and joy just like it is our passion.

Audiophile Power Supply (Optional)

Ultra-low noise, triple regulated analog PSU offered separately or 
bundled provides a piece of mind that the noise, spikes and distortion 
from the power grid won’t make their way to your high-end audio system. 
Because we’re not just protecting the Zodiac Gold, but also your amp, 
your speakers and most importantly, your ears. 
 
In the box

<ul><li>Zodiac Gold HD Audiophile 384kHz D/A converter</li><li>Remote Control</li><li>Printed Documentation</li><li>Mobile DC Power Supply</li><li>IEC type power cable</li><li>USB cable</li><li>Optical TOSLINK cable</li></ul>

Antelope Audio Zodiac Gold w/Remote
HD audiophile 384kHz D/A converter with remote

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Antelope Zodiac Gold is an advanced digital audio converter engineered to deliver pristine audio with keenly articulated pitch and a spectacular soundstage. This unique sound is based on Antelope's 64-bit clocking technology used by the world’s top audio engineers. A custom designed USB controller chip streams digital audio at 480 Mbits, supporting sample rates up to 384 kHz with native drivers. As a preamp, the device allows up to 8 input sources with auto-detection of active channels with ease and flexibility to connect to virtually any device. A dual-stage headphone driver architecture unveils every sonic detail, while the relay based volume control assures superb stereo imaging at any listening level. For enhanced user experience your Zodiac comes with aluminum remote control and friendly PC/Mac software panel. A sophisticated and powerful DAC, Pre-Amp and Headphone Amp for most refined tastes. Features <ul><li>Unibody machined aluminum Remote Control</li><li>Custom USB chip streams audio up to 384kHz</li><li>Matched to 0.05 dB Relay Volume Attenuator</li><li>Antelope Oven Clock for supreme stability</li><li>64-bit Acoustically Focused Clocking (AFC)</li><li>Ultra Linear, Dual Stage Headphone Amps</li><li>Switchable (120 or 0 Ohm) HP amp impedance</li><li>De-jittered, re-clocked Digital Audio Outputs</li><li>129dB Dynamic Range</li><li>Accurate level display for Main volume</li><li>Mono summing function</li><li>Mute (soft dim & full mute)</li><li>PC/Mac Software Control Panel</li><li>Audiophile Double-linear Power Supply option</li></ul> Connections <ul><li>2x Headphone Outputs on 1/4” TRS</li><li>Trim-able balanced Analog Outputs on XLR</li><li>Unbalanced Analog Outputs on RCA</li><li>Balanced Analog Inputs on 1/4” TRS</li><li>Unbalanced Analog Inputs on RCA</li><li>AES/EBU Digital Input</li><li>2x S/PDIF coaxial Inputs</li><li>2x Optical TOSLINK inputs</li><li>USB on standard B type connector</li><li>Word Clock Input on BNC</li><li>De-jittered AES/EBU Output</li><li>De-jittered 2x S/PDIF Outputs</li></ul> Up to 384 kHz Sampling Rate Antelope Audio is one of the first to offer 384kHz capability. In doing so, we hope to match and exceed the expectations of even the most critical of ears. Now audiophiles can enjoy the highest bandwidth that a USB 2.0 interface can provide for audio. Stepped Relay Volume Attenuator When adjusting volumes, it’s imperative that the stereo image remain completely intact. The Zodiac Gold achieves this by incorporating stepped relays that are matched to 0,05 dB to maintain the most accurate stereo balance at all volume levels. PC/MAC Software Control Panel Computer-based audio sources have become more and more popular in the audiophile community. To enhance the use of the Zodiac with USB, we designed a Software Control Panel that improves the interaction between computer and converter. Antelope’s Intuitive software helps combine great sound with ease of use. Remote Control The stylish champagne colored Zodiac Gold is matched perfectly to it’s elegant aluminum unibody remote control. This isn’t just another remote control to toss under a coffee table, it’s a beautifully crafted device that will enhance the experience of owning a Zodiac Gold. Professional features Added flexibility for the professional user makes for a distinctly powerful device: AES Input, fine trimmers on the balanced outputs, mono button, mute select (soft & full), transparent analog inputs, BNC word clock input, 384kHz USB. De-Jittered Audio Output Digital outputs on AES/EBU and S/PDIF offer all the benefits of Antelope’s 64-bit Acoustically Focused Clocking, so external devices gain significant sonic advantages when connected to Zodiac Gold. Source Switching With a number of different inputs available, you can monitor many sources such as CD, Laptop, DAW or Mixers and Keyboards. Balanced and unbalanced inputs at both +4db and -10db allows tremendous flexibility, while auto detection of connected devices means source selection is simple and convenient. The Antelope Voltikus is a sleek heavy-duty Power Supply Unit (PSU) designed to perfectly match your Zodiac DAC. Carefully tailored to deliver uncompromised power, Voltikus helps Zodiac achieve the punch and sonic richness of deep lows, a full range of mids, and tightly defined highs. This degree of performance is accomplished by incorporating a hefty, custom-wound, electrostatically shielded toroidal transformer followed by a unique concept of three cascaded power regulators. A precision laser-trimmed voltage reference (LT1021) serves as the backbone of this discrete design, achieving the stability impossible with off-the-shelf voltage regulators. Voltikus is a true engineering breakthrough from Antelope's respected team of high-end audio experts. Features <ul><li>Audiophile grade PSU perfectly matching Zodiac DACs in aesthetics and performance</li><li>Unique multi-stage linear regulator topology achieves vastly superior stability</li><li>Toroidal transformer with custom electrostatic shield suppresses power line disturbances</li><li>Ground / Lift switch helps eliminate hum and buzz caused by ground loops</li><li>Wide (90-250V) input voltage range ensures dependable operation under varying line conditions</li><li>Advanced discrete design dispenses with the need for noisy off-the-shelf voltage regulators</li><li>Robust sturdy construction with custom machined aluminum front panel </li></ul>

Antelope Audio Zodiac Gold w/Remote & Voltikus Power Supply Save $345!
HD Audiophile 384kHz D/A Converter bundle with remote and Voltikus power supply

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Whether you are a sound engineer orchestrating delicate mix or mastering
 sessions, an audiophile searching for superior sound, or simply 
monitoring a DAW at 192kHz, Antelope Zodiac+
 is especially designed to cross-link these worlds and allow you to 
enter a new realm of detail and satisfaction with your musical creation 
or listening experience. 
 
Zodiac+ wipes the virtual dust from your monitor speakers, widening the 
picture and adding more details, revealing extra dimension in the 
spectrum of music. 
 
Professional features 
Added flexibility for the professional user makes for a distinctly 
powerful device: AES Input, fine trimmers on the balanced outputs, mono 
button, mute select (soft & full), transparent analog inputs, BNC 
word clock input, 192kHz USB. 
 
De-Jittered Audio Output 
Digital outputs on AES/EBU and S/PDIF offer all the benefits of 
Antelope’s 64-bit Acoustically Focused Clocking, so external devices 
gain significant sonic advantages when connected to Zodiac+. 
 
Source Switching 
With a number of different inputs available, you can monitor many 
sources such as CD, Laptop, DAW or Mixers and Keyboards. Balanced and 
unbalanced inputs at both +4db and -10db allows tremendous flexibility, 
while auto detection of connected devices means source selection is 
simple and convenient. 
 
Oven Controlled Clock 
Often overlooked, the quality of the clock is extremely important when 
high quality audio is desired. The clock is housed in a shielded 
container where the temperature is kept constant, therefore bringing 
significant benefits to the detail, dynamics and stereo placement of the
 audio. 
 
64-Bit Technology 
Sophisticated 64-bit algorithms allow precise control over our 
Acoustically Focused Clocking (AFC) and Jitter Management; two critical 
components to improve audio via clocking. The incoming digital signal is
 brought to life with this unique 64-bit technology, resulting in smooth
 and detailed audio whatever the method of digital connectivity. 
 
Antelope Performance USB 
Custom implementation of the USB chip leads to extreme audio performance
 and comprehensive support for your system. There are user selectable 
modes tailored to suit both Mac and PC; and with a data transfer rate of
 480Mbits flawless audio is achieved with native drivers. 
 
Smooth Headphones 
Ultra Linear, Dual Stage Headphone Amps deliver smooth sound at both 
high and low levels. Custom designed for accurate monitoring with a wide
 range of headphone impedance's. Controlled by a dedicated volume knob. 
 
Cutting-edge design 
To preserve the full bit resolution of the DAC, volume adjustment is 
entirely in the analog domain. Separate analog and digital power 
supplies eliminate digital cross-talk. This is further enhanced by 
keeping analog and digital circuits on separate PCB’s. These gold plated
 boards utilize large internal ground plains, canceling noise and 
voltage shifts. 
 
Nuts and Bolts 
All component decisions for Zodiac+ are based on a passion to produce 
something very special - technically, musically and aesthetically. Built
 with many solid aluminum parts and also very cute on the eye, it will 
be your pride and joy just like it is our passion. 
 
Features 
<ul><li>Custom USB chip streams audio up to 192kHz</li><li>Antelope Oven Clock for supreme stability</li><li>64-bit Acoustically Focused Clocking (AFC)</li><li>129dB Dynamic Range</li><li>THD+N: 0.0004%</li><li>Ultra Linear, Dual Stage Headphone Amps</li><li>De-jittered, re-clocked Digital Audio Outputs</li><li>Precision Trim Pots for Balanced Analog Outs</li><li>Accurate Level Display for Main Volume</li><li>Mute (soft dim & full mute)</li><li>Mono summing function</li></ul>
Connections 
<ul><li>AES/EBU Digital Input</li><li>2x S/PDIF coaxial Inputs</li><li>2x Optical TOSLINK inputs</li><li>USB on mini B type connector</li><li>Word Clock Input on BNC</li><li>Balanced Analog Outputs on XLR</li><li>Unbalanced Analog Outputs on RCA</li><li>Balanced Analog Inputs on 1/4” TRS</li><li>Unbalanced Analog Inputs on RCA</li><li>Digital Outputs on AES/EBU and S/PDIF</li></ul>

Antelope Audio Zodiac+
HD Mastering 192kHz D/A Converter

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Antelope Audio Zodiac+ with Voltikus Power Supply
HD mastering 192kHz D/A converter with Voltikus power supply

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The barrier between analog and digital should not limit the listening 
experience. Benchmark's digital converter technology maintains the sense
 of musical engagement that was originally present when the sounds were 
created. The life of the music is never lost in a quagmire of digital 
artifacts. The depth is never hidden, the image is never smeared. 
Benchmark converters always deliver faithfully, and consistently exceed 
expectations. The Benchmark ADC1 USB
 continues a tradition of excellence. 
 
The ADC1 USB is a 2-channel 192-kHz 24-bit analog-to-digital audio 
converter with an unprecedented feature set. This converter was designed
 to consistently deliver reference quality conversion in 'real-world' 
conditions. It features Benchmark's jitter-immune UltraLock™(tm) clock 
system and an extraordinary analog front-end. 
 
Jitter-immune UltraLock™ 
The UltraLock™(tm) system delivers consistent, high-quality conversion 
even when slaved to a poor quality external clock. The performance of 
the ADC1 USB will not degrade when slaved to an external clock - a claim
 very few converters can make. Enjoy the convenience of a clock input 
that automatically recognizes AES/EBU, S/PDIF, Word Clock, or Super 
Clock sources - all with the unsurpassed jitter immunity of Benchmark's 
UltraLock™(tm) clock-isolation system. 
 
Benchmark's Precision Analog Circuitry 
Benchmark has a long tradition of building ultra-high performance analog
 circuits that are designed for maximum transparency. The ADC1 USB 
extends this tradition by pushing performance to the limits of today's 
technology. The analog front-end delivers low-noise low-distortion 
high-bandwidth performance over a wide gain range (45dB). Precise gain 
and calibration controls allow for accurate channel matching. Capture 
exact imaging, difficult transients, and subtle details with stunning 
realism. 
 
Intelligent Meters 
The nine-segment dual-range, digital LED meters enable high-precision 
level monitoring. Meter response times are matched to the response of 
the human eye so that every peak is clearly visible. All metering is 
fully-digital and is not subject to calibration errors. A peak hold 
function allows an infinite hold to verify that an over has not 
occurred. Dual ranges allow signal presence monitoring, or precise 
headroom indication. The meters even use an upsampling technique to 
detect and display inter-sample peak overloads. This upsampled metering 
warns of potential overloads that may not be detected by conventional 
digital meters. 
 
Flexible Digital Outputs 
The ADC1 USB has a total of 5 digital outputs (1-XLR, 2-coax, 1-optical,
 and 1-USB). These can operate simultaneously at up to three independent
 sample rates. One of the coaxial outputs can be configured for 16-bit 
TPDF dithered output. This unique flexibility allows simultaneous 
recording to a CDR, while recording high-resolution to a digital 
recorder and a DAW. For example the CDR may operate at 44.1/16 while the
 DAW operates at 88.2/24 while the digital recorder operates at 192/24. 
Backup and/or reference recordings can be created with ease while 
high-resolution outputs are fed to primary recording devices. The 
optical output supports AES or ADAT formats at resolutions up to 192/24.
 In ADAT mode, high sample rates are supported using SMUX2 and SMUX4. 
 
Benchmark's AdvancedUSB 
Benchmark's AdvancedUSB solution provides a bit-transparent computer 
interface that is capable of streaming at rates up to 96 kHz/24-bit 
without installing any drivers. This reduces CPU loading, eliminates 
driver compatibility issues, and greatly improves the reliability of the
 data transfer. Benchmark's unique driver-less AdvancedUSB(tm) solution 
is compatible with Mac OSX and Windows 2000, XP, and Vista. Benchmark's 
UltraLock™(tm) clock system insures the audio will never be contaminated
 with jitter-induced artifacts from a poor-quality computer-based clock.
 With the Benchmark ADC1, the performance of the USB interface matches 
the quality of the AES and ADAT interfaces. The convenience of a direct 
computer interface no longer comes with a performance penalty! 
 
Consistent Performance 
Often specifications only indicate how a product will perform under the 
most optimal conditions. The ADC1 USB is designed to deliver consistent 
performance - even in adverse conditions. The ADC1 USB is fully 
specified at all gain settings, all sample rates, through all digital 
outputs, and even when locked to a high-jitter clock signal. This 
performance insures reliable and predictable results in the 'real 
world'. A full list of specifications and performance charts can be 
found in the ADC1 USB manual (available on our website).

Benchmark ADC1 USB Black Rackmount
2-Channel 24-bit 192kHz A/D Converter with Advanced USB Audio technology

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The Benchmark DAC1 is a reference-quality, two-channel 96 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. The internal power supply supports all international voltages and has generous margins for over and under voltage conditions. Two ¼” headphone jacks are driven with Benchmark’s new HPA2™ headphone amplifier. The HPA2™ is a high-current amplifier that is capable of driving a wide variety of headphone loads while achieving less than 0.0003% distortion under load. The 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. Features <ul><li>Two-channel, 24-bit, 96 kHz, D-to-A conversion</li><li>Plays 96 kHz with 52-kHz analog bandwidth</li><li>Direct connection to powered monitors</li><li>Total jitter immunity via UltraLock™ technology!</li><li>116 dB signal-to-noise ratio @ 48-kHz, A weighted</li><li>THD+N = -107 dB (0.00045%) measured at</li><li>-3 dBFS, any sample rate, any test frequency</li><li>AES, S/PDIF, and Toslink inputs</li><li>Digital input source-selection switch</li><li>Variable or preset output level controls</li><li>Balanced Low-Z XLR outputs</li><li>Unbalanced RCA outputs</li><li>Automatic de-emphasis for 44.1, 48, and</li><li>96-kHz when pre-emphasis bit is set</li><li>Headphone amp = 0.0003% THD into 60 Ω</li><li>Output-off switch position for headphone-only use</li><li>Front panel power and error indicating LEDs</li><li>Internal low-radiation toroidal power supply</li><li>International 120 - 240 input voltage range</li><li>1/2 wide, 1RU high chassis</li><li>Machined aluminum front panel</li><li>Rack mount kit available</li></ul> DAC1 Comparison Chart <table cellpadding="2"> <tbody><tr> <td class="MainText" width="399">Feature</td> <td class="MainText" width="98">DAC1</td> <td class="MainText" width="101">DAC1 USB</td> <td class="MainText" width="187">DAC1 PRE</td> <td class="MainText" width="187">DAC1 HDR</td> </tr> <tr> <td class="MainText">UltraLock™ jitter-immune clock-isolation technology</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">Built-in HPA2™ reference-grade 0-ohm headphone amplifier</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">24-bit, 96 kHz digital input capability</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">Balanced XLR and unbalanced RCA stereo outputs </td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">True-analog volume control on front panel</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">Calibrated and variable mode to accommodate various systems</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">Trim-pots for calibrating output levels</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">Output attenuators for XLR outputs</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">Internal power supply with low-radiation torodial power transformer</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">Built in USA</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">Rackmount capable</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">AdvancedUSB input capable of full-resolution 24-bit / 96 kHz </td> <td class="MainText">NO</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">State-of-the-art LM4562 high-current op-amps</td> <td class="MainText">NO</td> <td class="MainText">Ouput stage only</td> <td class="MainText">Throughout entire analog stage</td> <td class="MainText">Throughout entire analog stage</td> </tr> <tr> <td class="MainText">Selectable gain-range for headphone amplifier</td> <td class="MainText">NO</td> <td class="MainText">2 ranges</td> <td class="MainText">3 ranges</td> <td class="MainText">3 ranges</td> </tr> <tr> <td class="MainText">Auto-mute function built into headphone jack</td> <td class="MainText">NO</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">Auto-standby feature</td> <td class="MainText">NO</td> <td class="MainText">YES</td> <td class="MainText">YES</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">Number of digital inputs</td> <td class="MainText">3</td> <td class="MainText">4</td> <td class="MainText">5</td> <td class="MainText">5</td> </tr> <tr> <td class="MainText">Number of analog inputs</td> <td class="MainText">0</td> <td class="MainText">0</td> <td class="MainText">1</td> <td class="MainText">1</td> </tr> <tr> <td class="MainText">High-quality Teflon, chassis mounted RCA connectors</td> <td class="MainText">NO</td> <td class="MainText">NO</td> <td class="MainText">YES</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">Standby ON/OFF button</td> <td class="MainText">NO</td> <td class="MainText">NO</td> <td class="MainText">YES</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">Remote Control</td> <td class="MainText">NO</td> <td class="MainText">NO</td> <td class="MainText">NO</td> <td class="MainText">YES</td> </tr> <tr> <td class="MainText">Custom-built motorized Alps potentiometer</td> <td class="MainText">NO</td> <td class="MainText">NO</td> <td class="MainText">NO</td> <td class="MainText">YES</td> </tr> </tbody></table>

Benchmark DAC1 Black
Two-channel 24-bit 96 kHz D/A converter

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<tbody><tr>
<td class="MainText" width="399">Feature</td>
<td class="MainText" width="98">DAC1</td>
<td class="MainText" width="101">DAC1 USB</td>
<td class="MainText" width="187">DAC1 PRE</td>
<td class="MainText" width="187">DAC1 HDR</td>
</tr>
<tr>
<td class="MainText">UltraLock jitter-immune clock-isolation technology</td>

<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">Built-in HPA2 reference-grade 0-ohm headphone amplifier</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>

<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">24-bit, 96 kHz digital input capability</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">Balanced XLR and unbalanced RCA stereo outputs </td>

<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">True-analog volume control on front panel</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>

<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">Calibrated and variable mode to accommodate various systems</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">Trim-pots for calibrating output levels</td>

<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">Output attenuators for XLR outputs</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>

<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">Internal power supply with low-radiation torodial power transformer</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">Built in USA</td>

<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">Rackmount capable</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>

<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">AdvancedUSB input capable of full-resolution 24-bit / 96-kHz </td>
<td class="MainText">NO</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">State-of-the-art LM4562 high-current op-amps</td>

<td class="MainText">NO</td>
<td class="MainText">Ouput stage only</td>
<td class="MainText">Throughout entire analog stage</td>
<td class="MainText">Throughout entire analog stage</td>
</tr>
<tr>
<td class="MainText">Selectable gain-range for headphone amplifier</td>
<td class="MainText">NO</td>
<td class="MainText">2 ranges</td>
<td class="MainText">3 ranges</td>

<td class="MainText">3 ranges</td>
</tr>
<tr>
<td class="MainText">Auto-mute function built into headphone jack</td>
<td class="MainText">NO</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">Auto-standby feature</td>

<td class="MainText">NO</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">Number of digital inputs</td>
<td class="MainText">3</td>
<td class="MainText">4</td>
<td class="MainText">5</td>

<td class="MainText">5</td>
</tr>
<tr>
<td class="MainText">Number of analog inputs</td>
<td class="MainText">0</td>
<td class="MainText">0</td>
<td class="MainText">1</td>
<td class="MainText">1</td>
</tr>
<tr>
<td class="MainText">High-quality Teflon, chassis mounted RCA connectors</td>

<td class="MainText">NO</td>
<td class="MainText">NO</td>
<td class="MainText">YES</td>
<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">Standby ON/OFF button</td>
<td class="MainText">NO</td>
<td class="MainText">NO</td>
<td class="MainText">YES</td>

<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">Remote Control</td>
<td class="MainText">NO</td>
<td class="MainText">NO</td>
<td class="MainText">NO</td>
<td class="MainText">YES</td>
</tr>
<tr>
<td class="MainText">Custom-built motorized Alps potentiometer</td>

Benchmark DAC1 Black Rackmount
Two-channel 24-bit 96 kHz D/A converter

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The Benchmark DAC1 HDR is an 
all-in-one reference-quality stereo pre-amplifier. This stereo pre-amp 
brings together all the best features and performance of the 
award-winning DAC1 family with the convenience of an intelligent remote 
control solution. The DAC1 HDR combines some of Benchmark's finest 
engineering accomplishments into one device: the DAC1 digital-to-analog 
audio converter with UltraLockTM clock system, AdvancedUSBTM computer 
audio playback (USB DAC) interface, and the legendary HPA2TM headphone 
amplifier. The unique remote control solution of the DAC1 HDR is built 
around Benchmark's new HDR-VCTM (high dynamic range volume control). 
 
Benchmark's product designs have achieved unprecedented sonic purity due
 to an uncompromising engineering philosophy: eliminate digital 
distortion artifacts, establish a pristine analog path, and maintain 
sonic integrity regardless of external factors. The DAC1 HDR continues 
this tradition of excellence. 
 
The remote control solution of the DAC1 HDR has an intelligent 
implementation of dimming and muting. The 'Dim' (quiet) and 'Soft-Mute' 
settings of the remote control can be easily adjusted independent of the
 normal volume setting. The DAC1 HDR remembers and recalls your 
specified 'Dim' setting. This feature is ideal for HDTV users, as it 
allows you to set your preferred 'Dim' level for commercials, etc. The 
'Soft-Mute' function fades down the volume to the 'Dim' level before 
muting and smoothly raises the volume to the normal level after 
unmuting. With a generous offering of inputs and outputs, the DAC1 HDR 
serves as the heart of expansive media and entertainment systems, 
optimizing the signal path from the various sources to the amplifier. 
The DAC1 HDR will enhance the audio performance of your digital 
television, digital cable box, DVD/CD player, computer, music/media 
server, satellite radio, and any other device with a digital audio 
output. Also, the HDR-VCTM will control the pristine path for an analog 
source, such as a phono stage, FM tuner, iPod, VCR, tape deck, etc. 
 
All digital inputs on the DAC1 HDR (including the USB) feature 
Benchmark's jitter-immune UltraLockTM clock system. The USB interface 
operates with Benchmark's AdvancedUSBTM native 24-bit, 96 kHz USB 
technology. The DAC1 HDR features a high-current output stage designed 
to drive even the most difficult loads. Other features include 
selectable headphone gain ranges and an auto-mute function for muting 
the main outputs when headphones are being used. 
 
HDR-VCTM High Dynamic Range Volume 
Control 
The DAC1 HDR features Benchmark's HDR-VCTM (High Dynamic Range Volume 
Control). The HDR-VCTM is achieved with a custom-built motorized Alps 
potentiometer. The DAC1 HDR's motor-driven volume control maintains the 
dynamic range of the converter and audio output. In contrast, digital 
volume controls reduce dynamic range, and analog volume IC's introduce 
distortion and noise. 
 
The acclaimed DAC1 D-to-A conversion system 
Recording studios, mastering engineers and audiophiles have grown to 
rely on Benchmark for critical digital audio conversion for more than 10
 years. The superior performance of the award-winning DAC1 has made it 
the 'Benchmark' of D-to-A converters. With the DAC1 HDR, this built-in 
state-of-the-art converter will improve the sonic performance of your 
digital audio sources, including your computer. 
 
Jitter-Immune UltraLock Clock System 
Benchmark's proprietary UltraLock clock system achieves an unprecedented
 immunity to jitter. Many modern (and expensive) converters suffer from 
significant jitter-induced distortion, generating non-musical sideband 
tones and digital distortion. Benchmark's highly-regarded UltraLock 
clock system ensures that jitter is never a problem, even under extreme 
conditions. 
 
Even in the presence of extremely high input jitter, no jitter-induced 
artifacts can be detected on the outputs of the DAC1 HDR (using 
state-of-the-art testing equipment by Audio Precision). UltraLockTM will
 block more then 12.5 UI of jitter (@ 1 kHz). The UltraLock clock system
 easily outperforms even the best-designed two-stage PLL designs. 
 
The bottom line is this: Benchmark converters will consistently and 
faithfully deliver truthful audio without jitter-induced artifacts, no 
matter what variables are present. 
 
AdvancedUSB Audio Technology 
The USB interface of the DAC1 HDR operates with Benchmark's unique 
AdvancedUSB technology. Unlike many USB-equipped D/A converters, 
Benchmark's AdvancedUSB technology supports 24-bit audio at sample rates
 up to 96 kHz without the installation ofany drivers or other special 
software. Benchmark's UltraLockTM clock system isolates the converter 
from the high levels of jitter that are found on USB interfaces. The 
DAC1 HDR achieves transparent, audiophile-quality playback through a 
true plug-and-play solution. Audio streamed via USB is subject to 
significant amounts of jitter. The AdvancedUSB interface utilizes the 
UltraLockTM clock system. Consequently, the performance of the USB input
 is equal to the performance of the other inputs, regardless of the 
jitter present. 
 
The DAC1 HDR is natively compatible with Windows 7/Vista/XP/2000 and Mac
 OS X. As a native device, there are no drivers or other software 
required to install or configure. 
 
HPA2TM Headphone Amplifier 
The DAC1 HDR includes the HPA2TM - Benchmark's signature high-current, 
0-Ohm headphone amplifier. The HPA2TM is the ultimate reference 
headphone amplifier. It will deliver the full rated performance of the 
DAC1 to the headphones. The HPA2TM maintains less than 0.0003% THD+N 
under a full load from two sets of headphones. The DAC1 HDR has two 1/4"
 headphone jacks on the front panel.

Benchmark DAC1 HDR Black
Stereo Pre-Amplifier / 24-bit 96 kHz D/A Converter / Headphone Amp / Remote Control

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The Benchmark DAC1 USB (USB DAC)
 is a reference-quality, two-channel 96 kHz 24-bit digital-to-analog 
audio converter featuring Benchmark's Advanced USB Audio™ technology, 
UltraLock™ clock system, and HPA2™ headphone amplifier. 
 
Engage the Music with the DAC1 and DAC1
 USB 
The DAC1 USB is a mastering-quality, two-channel 96 kHz 24-bit 
digital-to-analog audio converter. For more then 10 years, engineers and
 audiophiles have come to rely on Benchmark for critical digital audio 
conversion. They consistently find themselves engaged in the music in a 
way that is rarely achieved with digital converters. 
 
Benchmark has achieved unprecedented sonic purity in their converters 
through intelligent engineering, eliminating digital distortion 
artifacts, and maintaining a pristine analog delivery path. The DAC1 USB
 continues this tradition of excellence. 
 
Preserving the Classic DAC1 Heritage 
The pristine audio path of the award-winning Classic DAC1 has made it 
the 'Benchmark' of standalone D-to-A converters. The DAC1 USB preserves 
the exact topology of the audio path of the Classic DAC1, while adding 
some of the most frequently requested features. 
 
The DAC1 and DAC1 USB both include Benchmark's jitter-immune UltraLock™ 
clock system and Benchmark's 0-ohm HPA2™ headphone amplifier. The DAC1 
USB features Benchmarks AdvancedUSB technology to ensure 
bit-transparent, high-resolution playback directly from your computer. 
The DAC1 USB also includes a programmable mute function that 
automatically mutes the main outputs upon insertion of a headphone plug.
 Other features that are exclusive to the DAC1 USB include a 
programmable headphone gain range, an automatic 'Standby' feature, and a
 high-current output stage designed to drive even the most difficult 
loads. 
 
Jitter-Immune UltraLock™ 
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, digital distortion. 
 
Many modern (and expensive) converters suffer from severe jitter-induced
 distortion. Jitter is NOT a problem for the DAC1 and DAC1 USB, which 
achieve jitter immunity by utilizing the proprietary UltraLock™ 
clock-recovery system. 
 
With the UltraLock™ clock-recovery system, the digital-to-analog 
conversion-clock in the DAC1 and DAC1 USB 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 or the DAC1 USB. Any signal that
 can be decoded by the USB or 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. 
 
AdvancedUSB Audio Technology 
The USB interface of the DAC1 USB features Benchmark's unique 
AdvancedUSB technology. This USB interface is completely 
bit-transparent. In other words, every sample of digital audio is 
transferred from the computer to the DAC1 USB without modification. The 
DAC1 USB is natively compatible with Windows 7/Vista/XP/2000 and Mac OS 
X. As a native device, there are no drivers or other invasive software 
required to install or configure. The DAC1 USB is a true plug-and-play 
DAC USB, and is designed to begin playback immediately after the unit is
 connected to a USB port for the first time. 
 
Unlike previous native USB audio interfaces, Benchmark's AdvancedUSB 
Audio technology supports 24-bit audio at sample-rates up to 96 kHz. It 
is very important to have a 24-bit USB path, even for 16-bit playback, 
because certain computer-related functions can increase 16-bit audio to 
24 bits. If a 16-bit USB DAC is used, 8 bits of every digital audio 
sample would be truncated. Truncating digital audio causes severe, 
non-musical digital distortion. Benchmark's AdvancedUSB interface 
ensures a full 24-bit digital audio path to avoid truncation distortion. 
 
HPA2™ Headphone Amplifier 
The DAC1 and DAC1 USB feature the HPA2™ - Benchmark's signature 
high-current, 0-Ohm headphone amplifier. The HPA2™ is arguably the 
ultimate reference headphone amplifier. It will deliver the full rated 
performance of the DAC1 and DAC1 USB to the headphones. The HPA2™ 
maintains less than 0.0003% THD+N under full load. The DAC1 and the DAC1
 USB both have two 1/4" headphone jacks on the front panel. The 
performance of the HPA2™ remains consistent even when two headphones are
 being driven simultaneously.

Benchmark DAC1 USB Black Rackmount
Two-channel 24-bit 96 kHz D/A converter with advanced USB audio technology & high-current output drivers

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