Antelope Audio Isochrone Trinity Master Clock Generator

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  • Antelope Audio Isochrone Trinity Master Clock Generator
  • Antelope Audio Isochrone Trinity Master Clock Generator
  • Antelope Audio Isochrone Trinity Master Clock Generator
  • Antelope Audio Isochrone Trinity Master Clock Generator


It is the best sounding and most versatile master clock ever built. Universal high-definition master clock employing Antelope's 4th Generation of Acoustically Focused Clocking with 64-bit Digital Signal Processing (DSP) and up to 384 kHz audio streaming.

A master clock that stands out
In the fickle world of Audio & Video formats, Trinity is the Master Clock that stands out from the crowd, with the kind of features that others can only aspire to. With dedicated functions and controls, Trinity is the best sounding and most versatile Master Clock available anywhere. Installed in some of the most prominent audio and post production facilities around the globe, Trinity is in the roots of great percentage of the contemporary music and movie productions. Trinity is also an integral component of some of the largest live concerts and events nowadays.

Stable clocking and advanced jitter management
Powered by an ultra stable oven controlled crystal oscillator, Trinity’s completely redesigned timing engine with 4th generation 64-bit Acoustically Focused Clocking provides supremely low jitter and high stability, with distinct sonic advantages that are immediately apparent. An atomic input makes it a perfect match for the 10M Atomic Clock, while user recalibration and dual redundant power supply will keep the unit running smoothly and prevent costly downtimes.

The features that make it unique
Trinity takes care of requirements that usually would have needed several units. With 3 HD and 2 SD generators the unit locks to and generates all known professional video format, while simultaneously offering 3 independent audio channels capable of 384 kHz with varispeed adjustment in cents or percent! With its wealth of connectivity, flexibility, and ease of use, Trinity is the ideal linchpin for a modern studio.


  • 4th Generation of Acoustically Focused Clocking employing 64 bit DSP leads to a new level in detailed & focused sound 
  • Oven Controlled Crystal Oscillator or Atomic Input for supremely low jitter
  • Factory calibrated to better than +/- 0.001 ppm accuracy
  • A wealth of rear panel connectivity for tremendous flexibility
  • Comprehensive audio gear-boxing for anything in, anything out
  • Atomic Input for ultimate performance
  • 3 Independent & simultaneous audio generators up to 384kHz, and varispeed control +/- 200 cents
  • 3 Independent & simultaneous HD generators, covering 16 formats
  • 3 Independent & simultaneous SD generators, simultaneously offering PAL & NTSC
  • Full Euro and USA Pull-ups / pull-downs for SD and HD video
  • USB connection via PC & Mac allowing full remote control, loading/saving presets and firmware upgrades
  • Dual redundant power supply with automatic switchover for added reliability

What's in the box

  • Isochrone Trinity
  • Power cord
  • Owner's manual
  • Warranty card
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Clocking System

  • 4th Generation Acoustically Focused Clock
  • 64 bit DDS
  • Oven controlled Crystal Oscillator

Stability: < +/- 0.02ppm @ 64.5 Degree Celsius
Ageing: < 1 ppm per year
Calibration: < +/- 0.001 ppm
Atomic Control Input: 10MHz @ 1Vpp, BNC
Basic Sampling Rates (kHz): 32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384
Generators: 9 Independent and simultaneous 3 Audio, 3 HD, 3 SD
USB: 2.0 Full-Speed


  • +/- 200 cents
  • + 12.246 %
  • - 10.910 %

Pull ups/downs: +/- 0.1 % NTSC and/or +/- 4 % PAL, -0.1 % HD


  • Universal video input on BNC
  • Recognizes all video inputs automatically
  • 2 selectable Word Clock on BNC on 32 kHz - 384 kHz
  • 1 AES/EBU on XLR, 32 kHz - 384 kHz @ 110 Ohms terminated
  • 1 S/PDIF on RCA, 32 kHz - 384 kHz @ 75 Ohms terminated


  • HD Video: 6 x BNC @ 75 Ohms
  • SD 1: BNC @ 75 Ohms fixed for NTSC video standard. Block Burst
  • SD 2: BNC @ 75 Ohms fixed for PAL video standard. Block Burst
  • SD 3: BNC @ 75 Ohms PAL 24/NTSC 30 selectable. Composite Sync
  • SD 4: BNC @ 75 Ohms PAL 24/PAL 47.95 selectable. Composite Sync

Power Supply

  • AC, Universal input 90-250VAC, 15W
  • DC, 12VDC +/- 1VDC, 15W

Operating Temperature: 0-50 C, 32-122 F
Weight: 4 kg, 8.8 Ib
Dimensions: 482 mm (W) x 89 mm (H) x 203 mm (D), 19" (w) x 3.5" (H) x 8" (D)

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