Antelope Audio OCX-HD HD Master Clock

Professional Master Clock with Ultra-High 768 kHz Sample Rate Support

The Antelope Audio OCX-HD is a precision master clock designed for studios, post-production facilities, and professional audio environments demanding absolute timing accuracy. Supporting sample rates up to 768 kHz, the OCX-HD ensures stable and detailed sound reproduction, providing the essential foundation for high-end recording, mixing, and mastering workflows. Whether syncing multiple devices or refining critical audio signals, this master clock delivers unmatched stability and clarity.

64-Bit Acoustically Focused Clocking for Jitter-Free Performance

At the heart of the OCX-HD is Antelope’s fourth-generation Acoustically Focused Clocking (AFC) technology, powered by a 64-bit DSP and oven-controlled crystal oscillator. This combination minimizes jitter and maintains superior clocking precision, offering a level of sonic accuracy trusted by top recording studios and mastering engineers worldwide. The OCX-HD ensures every detail of your audio is preserved, from initial tracking to final mastering.

Comprehensive Clocking and Connectivity Options for Any Studio Setup

The OCX-HD features a versatile array of clocking outputs and inputs, including 10 Word Clock outputs, 2 Word Clock inputs, AES/EBU, S/PDIF, and video sync inputs. This connectivity ensures seamless integration into complex setups, allowing the OCX-HD to function as the central clocking source for digital audio converters, audio interfaces, live sound systems, and broadcast environments. It provides flexible routing to accommodate diverse production needs.

Advanced Video Sync and Atomic Clock Integration

Perfect for post-production and film scoring, the OCX-HD includes a video sync input compatible with both SD and HD formats. For even greater precision, the unit can be synchronized with Antelope’s 10MX Atomic Clock via its 10 MHz input, guaranteeing rock-solid stability across all connected devices. This makes the OCX-HD ideal for workflows where audio-to-video synchronization is critical.

Intuitive Software Control with Sleek Hardware Design

Managing the OCX-HD is simple with Antelope’s desktop application, available for both macOS and Windows. Users can monitor status, adjust settings, and manage clocking configurations remotely. Housed in a sleek 1U rack-mount chassis, the OCX-HD combines robust functionality with an elegant design, fitting seamlessly into any professional studio setup while providing easy front-panel access for quick adjustments.