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Antelope OCX-HD 768 kHz HD Master Clock

We have a great relationship with Antelope and their products will be shipped directly from the manufacturer! Please allow 4-6 days for shipping!

768 kHz HD Master Clock

The perfect solution for mastering, recording and project studios, film-scoring, post-production
and live sound
For over a decade, Antelope’s legendary OCX Master Clock has been a dominant force in the
audio world.
This legacy now continues with the newest master clock by Antelope Audio – Isochrone OCX

Antelope's 4th-generation AFC jitter management algorithm
Sample rate support up to 768kHz
Output of 5 distinct sample rates enabled by onboard multipliers and dividers
Additional connectivity via 4 AES/EBU, 2 S/PDIF clocking outputs (up to 192kHz)
Comprehensive audio gearboxing
Universal video input (BNC connector)
Atomic clock input for optimized accuracy and calibration
3 recallable presets
Control panel Rate Lock protects your settings while in session
User-friendly front panel control

OCX HD raises the bar yet again, delivering sample rate support of up to 768 kHz, Antelope’s
best-in-class 4th generation Acoustically Focused Clocking (AFC) jitter management
algorithm and oven-controlled crystal oscillator.
OCX HD Master Clock offers a great variety of clocking options – 10 configurable in pairs
Word Clock Outputs on BNC, four AES/EBU Outputs and two more on S/PDIF. This vast
assortment of connectivity makes the OCX HD the most versatile audio master clock on the
market, while proven, proprietary clocking technology delivers the most musical and reliable
audio sync generation on the market.

All that you love about Antelope’s cult Trinity Master Clock now in just 1U.
Additionally, OCX HD offers two Word Clock Inputs and a Video Sync Input, which can
resolve to a huge variety of SD and HD formats, as well as clock distribution with gear-boxing,
and pull-up and pull-down rates, as featured in the triple clock powerhouse, Trinity Master
Clock. A 10 MHz Input allows for syncing with Antelope’s newest Atomic Clock – 10MX.


Sample Rates Generated
32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384, 705.6, 768kHz

Master Clock Outputs
10x Word Clock Outputs up to 768kHz
4x AES/EBU Outputs up to 192kHz
2x S/PDIF Outputs up to 192kHz

2x Word Clock Inputs up to 768kHz
1x Video Input accepting wide range of SD and HD video signals
1x Atomic Input
2x S/PDIF Inputs up to 192kHz
1x AES/EBU Input up to 192kHz
1x USB Input for control
30 – 80% RH non-condensing

Clocking System
4th Generation Acoustically Focused Clocking
64-bit DDS
Oven Controlled Crystal Oscillator

Clock Calibration
< +/-0.001 ppm

Clock Stability
<+/- 0.02 ppm, oven controlled at 64.5 C/148.1 F

Clock Aging
< 1 ppm per year

Atomic Clock Input
1 x 10M Atomic Clock Input @ 75 Ohms 3Vpp on BNC

Sample Rates (KHz)
32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384, 768 (kHz)

Operating Temperature
0 – 50°C, 32-122°F

2.65 kg/5.84 lb

482.6 (W) ? 230 (D) ? 44 (H) mm
19 (W) x 9.05 (D) x 1.75 (H) inch

Power Supply
AC Universal Input ~95-245V, 20 Watts Max

System requirements

OS: Windows 7/8/8.1/10
Disk Space: Minimum 512 MB available disk space
USB: 1x USB 2.0 Port
Required USB bandwidth (for firmware update): 80%-90%
CPU: Intel or AMD equivalent CPU with at least 2GHz operating frequency
Memory (RAM): 4GB Minimum (8GB or more Recommended)

OS X: 10.9/10.10/10.11/10.12 (Sierra Recommended)
Disk Space: Minimum 512 MB available disk space
USB: 1x USB 2.0/3.0 Port
Required USB bandwidth: 80%-90%
Memory(RAM): 4GB Minimum (8GB or more recommended)
CPU: Intel Core 2 Duo (Minimum) Intel Core i3 ™ or higher (Recommended)