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Auralic Leo GX.1 - Reference Master Clock

£8,799.00

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The Auralc Leo GX.1 - Reference Master Clock continues providing trademark levels of performance in digital audio clocking. The LEO GX.1 offers “beyond-measurement” levels of precision, a much wider sound stage, pinpoint instrumental accuracy, and dynamic range beyond expectation.

The Leo GX.1 will dramatically enhance your listening experience by circumventing the DAC’s internal clock. This shields the unit from noise with an internal copper enclosure, and utilises a new advanced multi-spring suspension system available on all G2.1 products.

Traditional Clocking

Normally, phase-locked loop circuits (PLL) in a DAC are used to synchronise 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 synchronising 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, Auralic 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

Auralic have 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.

Realise 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. Auralic have 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

Auralic Interconnect Cable

Lightning Link

The HDMI-type, 18Gbps high-speed connection provides ultra-fast two-way communication and boasts the only real jitter-free link in the world of high-performance audio. As an added bonus, G2 and G2.1 products can be linked without worry, allowing them to work seamlessly, as one contiguous digital source for an astonishing musical experience.

What's in the Box?

  • AURALiC LEO GX.1 Reference Master Clock
  • Hex Wrench (for use of tighten clock cable)
  • User's Guide
  • Power Cable
  • Lightning-Link Cable
  • 60GHz aerospace grade clock cables

Technical 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)

The Clock

  • 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 Rates

  • PCM: 44.1KHz to 384KHz in 32Bit
  • DSD: DSD64 to DSD512 in 44x and 48x

System Control

  • 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.

Dimensions - W x D x H

  • 34cm x 32cm x 9.6cm
  • Weight: 21.1 lbs (9.6kg)
  • Product Finishing: Anodized aluminum case in matte black with copper EMI shielding enclosure

FREE DELIVERY

We offer Free Delivery on orders to the UK Mainland over £100.


EXPERT KNOWLEDGE

Our staff are passionate about what they do and can provide advice and assistance on your purchase.

30 DAY RETURNS

You can return any unwanted and unused item within 30 days and get a full refund.


SECURE CHECKOUT

Orders can be placed on our fully SSL-secured checkout with Debit / Credit Cards or via PayPal, Apple Pay and Google Pay. 

The products we use and sell are of the highest quality and we trust them wholeheartedly, but every now and again a product has a fault that is covered under the manufacturers warranty.

In the event of such an occurance please contact us via email at info@studioincar.co.uk to proceed with the warranty process.

Below is a list of all the Manufacturers warranty timeframes with any special instructions for extended warranties:

Amphion

  • 5 Years standard Manufacturers warranty

AudioControl

  • 5 Years with Installation by an Authorised Installer (Studio Incar is an Authorised Installer)
  • 1 Year if you are doing your own Installation
  • 2 Years if you register the product with the UK supplier

AudioLab

  • 2 Years standard Manufacturers warranty

Auralic

  • 1 Year Standard Manufacturers Warranty
  • 2 Year Extended Warranty - Product Registration within 30 days of Purchase

Audison

  • 1 Year standard Manufacturers warranty
  • 2 Years if you register the product with the UK supplier

Blackvue

  • 6 Months standard Manufacturers warranty

Blaupunkt

  • 1 Year standard Manufacturers warranty

Chord Company

  • Lifetime Warranty

Dynaudio

  • 2 Years on Car Audio Products - No Extendable Warranty
  • 2 Years standard Warranty on Home Audio Products
  • up to 8 Years Extendable Warranty on Home Audio Products when you register at Dynaudio

Focal

  • 1 Year Standard Manufacturers Warranty
  • 2 Years Extended Warranty when registered with Focal

Hegel

  • 2 Years Standard Manufacturers Warranty

Hertz

  • 1 Year standard Manufacturers warranty
  • 2 Years if you register the product with the UK supplier

HiFi Rose

  • 2 Years Standard Manufacturers Warranty

JL Audio

  • 1 Year for Speakers and Subwoofers
  • 2 Years for Amplifiers and Processors

Ortofon

  • 1 Year Standard Manufacturers Warranty

Peachtree Audio

  • 2 Years Standard Manufacturers Warranty
  • 3 Years Extended Warranty if Registered with Peachtree

Pro-Ject

  • 2 Years Standard Manufacturers Warranty
  • 3 Years Extended Warranty if Registered with Pro-Ject

Q-Acoustics

  • 4 Years for Passive Loudspeakers
  • 1 Year for Active Loudspeakers / Subwoofers
  • 5 Years for Passive Loudspeakers if Registers with Q Acoustics
  • 2 Years for Active Loudspeakers / Subwoofers if Registered with Q Acoustics

SolidSteel

  • 1 Year Standard Manufacturer Warranty

Sony

  • 1 Year Standard Manufacturer Warranty

Wharfedale

  • 2 Years Standard Manufacturers Warranty
  • 3 Years Extended Warranty if registered with Wharfedale
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