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Antelope Isochrone 10M Rubidium Atomic Clock

B&H # ANISO10M Mfr # 10M
Usually ships in 7-14 business days

Availability Details


This is a special order item and is non-cancelable and non-returnable. Est. arrival at B&H is 7-14 business days (subject to availability). Your order will be charged at time of shipment.

International Orders*
For international orders, credit cards will be charged at time you place your order.

Free Standard Shipping
Not eligible for free Expedited Shipping
You Pay: $5,995.00
Product Highlights
  • Connect to OCX and OCX-V Master Clocks
  • Overrides Oven Clock with Atomic Clock
  • 8 BNC Outputs at 10 MHz
  • Accurate Up to 0.03 Parts Per Billion
  • Dual Redundant Power Supply
  • Sturdy Shock-Resistant Chassis

The Antelope Audio Isochrone 10M Rubidium Atomic Clock is a laboratory-grade atomic master clock for the Isochrone audio master clocks such as the OCX, OCX-V, and Trinity, audio/video equipment, and for other uses for which high clocking precision is required. In audio, the device nearly eliminates jitter by providing your gear with a clocking reference accurate to 0.03 parts per billion. This is 100,000 times more accurate than the quartz crystal oscillators found in most clocks. As a result, staging, transparency, imaging, separation, and depth help render the warmth and fullness typically associated with analog sound.

The 10M also includes a Swiss-made high precision sub-miniature Rubidium oscillator. Rubidium is a very soft and highly reactive element forming alloys even with gold, but it is best known for its capacity to produce extremely stable sinusoidal frequencies. In this device, it generates a frequency of 10 MHz, hence the name “10M”. You can use your Isochone 10M with any device that supports 10 MHz (BNC) input clock. The 10M can clock up to 8 devices simultaneously. Furthermore, it has dual redundant power supply (100 to 240 VAC and 15 VDC), which improves reliability and eliminates downtime in case of power failure.

Designed specifically to appeal to audiophiles and audio professionals.
The Atomic Clock boasts a sturdy mechanical construction, making it resistant to mechanical shocks. It makes things easy to use, just connect and power it on; the status lights are visible at a glance and all information is shown on the easy-to-read frequency display.
Swiss-made Rubidium core with accuracy of 0.03 ppb
Precise Atomic oscillator with stability of 1 second in 1,000 years
Rubidium core is FEI 5660 Compatible Stanford PRS10 Equivalent
Dual Redundant power supply with automatic switchover
8 BNC Outputs of 10 MHz
Compatible with any device that accepts 10 MHz reference
Ease of operation, just connect it and power it on
Sturdy mechanical construction
Compatible with OCX, OCX-V, and Trinity
Power supply for automatic compliance with all international voltage standards
Design Atomic Type: Rubidium Ultra-Stable Resonance-Controlled Master Oscillator
Frequency 10 MHz
Frequency Accuracy Better than 0.03 PPB
Stability Long-Term: Better than 0.02 PPB
Typical: 0.05 PPB per month (measured after 6 months of continuous operation)
First Year < 2 PPB

Short-Term : Standard 0.03 PPB per second
0.01 PPB per 10 seconds
0.003 PPB per 100 seconds
Phase Noise at 10 MHz: Standard
-140 dBc per Hz at 10 kHz
Warm-Up Time 8 to 10 minutes (depends on ambient temperature)
Power Supply Type AC and DC, Dual Redundant
Power Supply Input Range 100 to 240 VAC 50/60 Hz
15 VDC
Power Consumption 40 W during the warm-up
17 W at standard operation (after the warm-up)
Inrush Current Maximum 50 A at 264 VAC
Clock Atomic Output: 8 x BNC Sinusoidal, 10 MHz, 75 Ω, 1 Vpp typical (unload)
Operating Temperature 32 to 122°F (0 to 50°C)
Storage Temperature -4 to 185ºF (-20 to 85ºC)
Humidity Maximum 80%
Dimensions (W x H x D) 17.0 x 3.20 x 8.00" (434 x 81 x 205 mm)
Weight 12.9 lb (5.70 kg)
Antelope Isochrone 10M Rubidium Atomic Clock
  • Power Cord
  • Limited 1-Year Warranty
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