Antelope Audio Pure 2 - Mastering AD/DA Converter & USB Audio Interfac
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Antelope Audio Pure 2 - Mastering AD/DA Converter & Master Clock
The Pure 2 occupies a slim 1U footprint while delivering mastering-grade conversion and world-class clocking in a remarkably compact form factor. Built for critical listening and precision audio work, this converter earns its place in mastering suites and high-end monitoring chains through transparent performance—the kind of sonic clarity that makes mix decisions reliable and translatable across playback systems.
Conversion & Clocking Performance
Built around 24-bit, 192 kHz AD/DA conversion with a Burr-Brown PCM4222 A/D converter and dual-DAC architecture, the Pure 2 delivers exceptional clarity and stereo imaging for accurate monitoring and mastering-grade capture. The real performance edge comes from Antelope Audio's 4th-generation Acoustically Focused Clocking (AFC) technology paired with oven-controlled crystal oscillator clocking—this jitter management directly translates to more defined imaging and tighter low-end definition on your masters and mixes.
Connectivity & Control
Comprehensive I/O includes S/PDIF, TOSlink, AES, and USB 2.0 Hi-Speed connections, plus 8 word clock outputs and atomic clock input capability for syncing your entire studio to a master reference. Volume control comes via relay-controlled attenuator with 0.05dB precision and full bypass—analog-domain control ensures clean monitoring without digital attenuation artifacts. Control integrates seamlessly into your workflow: use the intuitive Mac/Windows software control panel or configure via front-panel presets.
Key Features
- 24-bit, 192 kHz AD/DA 2-channel converter
- Burr-Brown (TI) PCM4222 A/D converter
- Dual DAC architecture for enhanced stereo imaging
- 4th-generation Acoustically Focused Clocking (AFC) with jitter management
- Oven-controlled crystal oscillator (<±0.02 PPM)
- Relay-controlled volume attenuator with 0.05dB stepped precision and full bypass
- 2 x Combo XLR/1/4" TRS balanced analog inputs (factory calibrated +20dBu)
- Main XLR outputs (factory calibrated 20dBu, user adjustable 8–26dBu) and monitor 1/4" TRS outputs
- Digital connectivity: S/PDIF, TOSlink, AES/EBU, USB 2.0
- 8 x word clock outputs and atomic clock input for external reference synchronization
- 1U rack format (19" x 1.75" x 8.66")
- Software control panel for Mac OS X 10.9+ and Windows 7+
The Pure 2 combines Antelope Audio's legendary clocking heritage with transparent analog circuitry, making it an essential reference converter for mastering sessions, critical monitoring, and studio chains where accurate conversion directly impacts your final mix.
More Information
| Condition | New |
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At a Glance
The Pure 2 is a mastering-reference converter and clocking solution that captures and monitors audio with exceptional clarity and stereo definition at up to 192 kHz. Studio owners and producers working on critical projects—especially mastering and final mixes—rely on it for transparent conversion without digital artifacts and jitter-free sync to external clocks. Its compact 1U form factor, oven-controlled crystal oscillator, and relay-controlled analog attenuation make it the kind of converter that shapes how your masters will translate across all playback systems.
Who This Is For
Great for
- ✓ mastering
- ✓ critical monitoring
- ✓ studio sessions
Not the best pick for
- – live performance
- – portable recording
Skill level: Professional
Frequently Asked Questions
What makes the Pure 2 different from a standard audio interface?
The Pure 2 is built explicitly for mastering and critical reference monitoring, not tracking or live work. Its 4th-generation Acoustically Focused Clocking and oven-controlled crystal oscillator manage jitter at a level that directly improves stereo imaging and low-end tightness in your masters, while the dual-DAC architecture and Burr-Brown A/D converter deliver transparent, neutral conversion at 24-bit/192 kHz.
What digital and analog connections does it have?
The Pure 2 offers S/PDIF, TOSlink, AES/EBU, and USB 2.0 for digital I/O, plus balanced XLR/quarter-inch combo inputs, main XLR outputs (adjustable 8–26 dBu), and quarter-inch monitor outputs. It also includes 8 word clock outputs and atomic clock input for syncing to external master clocks.
Can I control volume digitally, or does it have to be analog?
The Pure 2 uses a relay-controlled attenuator in the analog domain with 0.05 dB stepped precision and full bypass, which eliminates digital attenuation artifacts that can cloud your monitoring. You control it via the front-panel presets or Mac/Windows software control panel.
What monitoring sources can I connect?
You can send audio to the Pure 2 via S/PDIF, TOSlink, AES/EBU, or USB 2.0, then monitor through the main XLR outputs or secondary quarter-inch TRS outputs. All analog inputs and outputs are factory calibrated and user adjustable to suit your monitoring chain.
Is the Pure 2 portable or designed for a fixed rack setup?
The Pure 2 is a 1U rack unit designed for mastering suites and permanent studio monitoring chains, not portable or location recording. Its compact footprint fits standard 19-inch racks while delivering the clocking precision and conversion quality required for critical mastering work.
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