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Antelope 10MX

Multiple 10MHz outputs and an ultra-stable Word Clock signal in just 1U rack space.


Special 12-Month No-Interest Financing.

SKU: ANT10MX Categories: , Brand:



Rubidium Atomic Clock

10MX is the newest and the premier member of the Isochrone family. It features technologies from two of Antelope’s legendary products. The atomic precision of the 10M and the sophisticated jitter-management algorithm of Trinity are combined in a futuristic, 1U rack space enclosure, providing the world’s most stable and musical clocking.

10MX is a fusion of proven technologies and contemporary industrial design, where no compromises are allowed and both build-quality, and performance-excellence are top priority. The new Rubidium Atomic Clock is an epiphany of more than 20 years’ expertise in the digital audio world, making vividly real the clarity, depth, width and 3-dimensionality distinctive of the analog sound.

10MX is perfectly suited for recording, mixing and mastering environments. Its form factor, occupying only 1U of rack space, makes it ideal for live sound application where rack slots are precious commodity.

The multiple atomic outputs allow up to 10 devices to be clocked simultaneously over BNC outputs of 10MHz. The unit can also be used as a master clock with 4 outputs, supporting the outstanding sampling rate of up to 768 kHz via BNC. Two more clocking outputs are available via AES and two via S/PDIF.

The new Rubidium Atomic Clock is equally easy manageable either from the front panel or the intuitive software control panel available for OS X and Windows, connecting via a USB port.


Rubidium core with accuracy of 0.05 ppb (parts per BILLION)
4th generation Acoustically Focused Clocking (AFCTM ), employing 64-bit DSP
Master clocking up to 768 kHz over 4 WC
2 x S/PDIF and 2 x AES/EBU master clocking outputs up to 192 kHz
Atomic clocking compatible with any device that accepts 10MHz reference
Utmost ease of operation, just connect it and power it on
PC/Mac connection via USB, allowing remote control and firmware upgrades
Intuitive Software Control Panel
Extremely sturdy mechanical construction


Phase Noise (SSB)

1Hz ≤-70 dBc/Hz

10Hz ≤-87 dBc/Hz

100Hz ≤-114 dBc/Hz

1kHz ≤-130 dBc/Hz

10kHz ≤-140 dBc/Hz

Short-Term Stability

t=1s ≤3E-11

t=10s ≤1.6E-11

t=100s ≤8E-12

Time drift in a 24-hr period:

Warm-Up Time

8 – 10 minutes (depends on ambient temperature)

Word Clock Input

1 x Word Clock Input @ 75 Ohms 3Vpp on BNC 44.1 – 384kHz

Maximum shock


Non-operating, flight case mounted:

100m/s2 (~10.2 g*), 11 msec half-sine pulse per IEC 60068-2-27:2008

Non-operating, in original packing:

300m/s2 (~30.6 g*), 5 msec half-sine pulse per IEC 60068-2-27:2008

* g – gravitational acceleration


Word Clock: 4 x BNC



Word Clock Outputs

4 x Word Clock Outputs @ 75 Ohms 3Vpp on BNC 44.1 – 768 kHz square wave signal


USB 2.0 Hi-Speed; Data stream up to 480Mbits/384kHz, Type B

Clocking System

4th Generation Acoustically Focused Clocking

64-bit DDS

Oven Controlled Crystal Oscillator

Clock Stability

<+/-0.0 2 PPM, oven controlled at 64.5 °C

Atomic Reference Type

Rubidium Ultra-Stable Resonance-Controlled Master Oscillator


10 MHz

Frequency Accuracy

Better than ±5E-11 @25C (±0.05 PPB)


Daily* ±2.5E-11

Monthly* ±1E-10

Yearly ±1E-9

(*After 1 day & 1 month of operation respectively)

Atomic Clock Outputs

10 x BNC Sinusoidal, 10MHz, 75 Ohm, 1Vpp typical (unload)

Sample Rates (kHz)

32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384, 768

Word Clock Specs

TTL Level, 75 Ohm Output Impedance


USB 2.0 Full-Speed, Type B, only for control

Operating Temperature

0-50°C, 32-122°F


2.8 kg/6.17 lb


482.6 (W) х228 (D) х 44 (H) mm

19 (W) x 9 (D) x 1.73 (H) inch

Power Supply


Power Consumption

15 W


30 – 80% RH non-condensing

Power Supply Input

100 – 240 V~

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)

Additional Info: Internet connection required for product activation.

Additional information

Weight 7 lbs
Dimensions 9 × 19 × 2 in


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