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AURALiC LEO GX.1 Reference Master Clock - LEO GX-1
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Abt Model: LEOGX-1
UPC: 4251190800284
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AURALiC LEO GX.1 Reference Master Clock
LEO GX.1, our reference master clock, continues providing trademark levels of performance in digital audio clocking. Offering “beyond-measurement” levels of precision, results detected while listening: a much wider sound stage, pinpoint instrumental accuracy, and dynamic range beyond expectation. By circumventing the DAC’s internal clock, shielding the unit from noise with an internal copper enclosure, and utilizing a new advanced multi-spring suspension system available on all G2.1 products, LEO GX.1 will dramatically enhance your listening experience.
Features
- Traditional Clocking
Normally, phase-locked loop circuits (PLL) in a DAC are used to synchronize its internal working signal with the more accurate incoming signal from a reference clock. But they’re noisy. And even though the working signal can be nudged a bit to match up with the reference signal, its frequency — and the precision of the analog waveform that’s based on it — is ultimately limited by the DAC’s own clock circuit. - Direct-to-DAC Design
Thanks to its unique Jitter-Free Operation, when the VEGA G2.1 joins forces with the LEO GX.1 these devices accomplish something extraordinary. Instead of merely synchronizing with the LEO GX.1, the VEGA G2.1 actually uses the exceptionally high frequency incoming clock from the LEO GX.1 directly — as its own working signal. In other words the LEO GX.1 bypasses the internal VEGA G2.1 clock circuit entirely, and drives waveform creation directly with its signal. No more PLL, and no more limitations. - A New Description of Performance
The LEO GX.1 clock is so precise that existing benchmarks aren’t detailed enough to accurately represent what it can do. Instead, we use Allan deviation to describe the resolution of the LEO GX.1, which is like looking at phase noise closely enough to detect shifts of +/-1Hz or even +/-0.1Hz. The Allan deviation of the LEO GX.1 Reference Master Clock comes in at 2E-12 (at 1 second), which is equal to a 10MHz rubidium atomic clock with phase noise of +/-1Hz at -110dBc/Hz, or an amazing 500 times less jitter than an 82fs Femto clock oscillator. - Clock Structure
LEO GX.1 hardware starts with two temperature-controlled rubidium atomic reference clocks. Each is paired with an oscillator using stress compensated cut crystals, for thermal and mechanical resilience and low phase noise performance. The result is the LEO GX.1’s remarkably high signal frequencies: 90.316MHz for 44.1k-based audio signals, and 98.304MHz for 48k-based signals. - Optical Isolation
We’ve gone to great lengths to reduce interference and noise in the new LEO GX.1, including the use of optical isolation techniques that keep systems physically separated from each other. Control signals from the processing circuit are sent to the clock circuit via fiber optic cables instead of electrical pathways, so the source of LEO GX.1’s impeccable timing is never disturbed. - Unity Chassis II
The LEO GX.1 chassis has been designed as a double enclosure, where an outer case made from high-grade aluminum is supplemented with an inner layer of copper. A high-mass base and enhanced four-foot multi-spring suspension system complete the quiet, noise defeating performance of the LEO GX.1’s Unity Chassis II. - Perfectly Balanced
LEO GX.1 internal circuits are physically distributed to enhance overall balance and performance. And its specially designed foot spikes dampen and absorb vibrations so the operation of its internal clock always starts with a rock-steady foundation. - Dual Purer-Power Linear Power Supplies
We’ve given the LEO GX.1 two of our ultra-quiet Purer-Power linear power supplies, galvanically isolating them from each other in the obsessive quest to reduce noise and create a pristine working environment. One Purer-Power supply feeds the LEO GX.1’s processing system, while the second powers the clock circuit. Interference between the areas is reduced to minimum, so there’s nothing to get in the way of LEO GX.1’s stellar performance. - Realize Full Potential
The LEO GX.1 is such a precise clock, running at very high frequency, you will need the best interconnect cable to realize its full potential. We created a cable specifically for LEO GX.1, made from 60GHz bandwidth military aerospace-grade material and connectors. Handmade and precisely tuned, it comes with a performance data report so you can be sure its specs are well capable of the task at hand.
Specifications
Benchmark
- Allan Deviation: 2E-12 (1 second)
- Equivalent Jitter: 500 times less than an 82fs femto clock (1Hz-10Hz)
- Equivalent Phase Noise: -110dBc/Hz@1Hz (Ref Frequency: 10MHz)
- Frequency: 90.3168MHz (44.1x fs) | 98.3040MHz (48x fs)
- Output Level: 3.3V CMOS (Direct-to-DAC Design)
- Reference: Temperature-controlled Rubidium atomic clock
- Oscillator: Temperature-controlled SC cut crystal
Sampling Rate
- PCM: 44.1kHz to 384kHz in 32Bit
- DSD: DSD64 to DSD512 in 44x and 48x
System Control
- Switch sampling rate automatically via Lightning-Link with G2/G2.1 DAC
Power Supply
- Dual Purer-Power internal linear power supply
- 10uV low noise designed for audio circuits
Noise Elimination
- Optical isolation between control and clock circuits
- EMI-shielding Unity Chassis II
Network
- Gigabit Ethernet (For firmware upgrade use)
Power Consumption
- Warmup: 30W at max
- Running: 15W
Product Finishing
- Anodized aluminum case in matte black with copper EMI shielding enclosure.
Contents:
- AURALiC LEO GX.1 Reference Master Clock
- Hex wrench (for use of tighten clock cable)
- User's guide
- Power cord
- Lightning-Link cable
- 60GHz aerospace grade clock cables
Approximate Dimensions
- Height: 3.7"
- Width: 13.4"
- Depth: 12.6"
Approximate Weight
- Unit: 21.1 lbs
- Shipping: 27 lbs
California customers:
General
Type
Master Clock
Apple AirPlay
Yes
Connections
Bluetooth
Yes
Key Features
- Traditional Clocking
- Direct-To-DAC Design
- Two Temperature-Controlled Rubidium Atomic Reference Clocks
- Optical Isolation
- Unity Chassis II
- Dual Purer-Power Linear Power Supplies
- Matte Black Finish
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