• [Pre-order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-Order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-Order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-Order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-Order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-Order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-Order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-Order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-Order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-Order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-Order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-Order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-Order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-Order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-Order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-Order] OCK-2P | Platinum Edition Reference Master Clock Generator
[Pre-Order] OCK-2P | Platinum Edition Reference Master Clock Generator
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[Pre-order] OCK-2P | Platinum Edition Reference Master Clock Generator

$1,998.00

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Pre-order items will ship within 10 days after placing your order.

Discover the updated features of OCK-2P： Product Page

OCK-2P is a high-performance external master clock fully upgraded from the acclaimed OCK-2S. Featuring a flagship low-phase-noise OCXO, an independent thermos chamber, an enhanced power supply architecture, and ultra-low additive phase noise clock distribution, OCK-2P significantly improves time-base stability and signal purity. A newly added selectable grounding design further enhances system compatibility and noise management in complex audio setups.

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1. Flagship OCXO with Enhanced Close-In Phase Noise Performance

OCK-2P employs a carefully selected high-performance OCXO, delivering substantial improvements at critical close-in offsets:

  • –115 dBc @1Hz Offset (Guaranteed)
  • –140 dBc @10Hz Offset (Guaranteed)

Lower close-in phase noise contributes directly to improved sonic stability, enhanced micro-dynamic resolution, and more accurate spatial reproduction.

2. Independent Thermos Cabinet for Long-Term Stability

An independent thermos cabinet provides a stable and controlled thermal environment for the OCXO, minimizing the influence of ambient temperature fluctuations. An integrated OCXO warm-up status LED clearly indicates when optimal operating conditions have been reached.

3. Enhanced Power Architecture for a Cleaner Foundation

OCK-2P features a 30VA toroidal transformer paired with a two-stage linear regulation topology (LM350T + LT3041). This architecture reduces power-supply noise, improves PSRR, and provides a stable, low-noise foundation for both the clock core and distribution circuitry.

4. Ultra-Low Additive Phase Noise Clock Distribution

The upgraded clock distribution amplifier is designed with ultra-low additive phase noise, ensuring consistent timing accuracy and signal integrity even when driving multiple outputs simultaneously.

5. Selectable Grounding for System-Level Noise Optimization

OCK-2P adds a dedicated grounding terminal with a selectable ground switch, allowing operation in either grounded or floating mode. This flexible grounding design enables system-level fine-tuning and helps minimize potential ground loops and unwanted noise coupling.

Discover the updated features of OCK-2P： Product Page

Clock Core: High-performance OCXO
Phase Noise:
–115 dBc @1Hz Offset (Guaranteed)
–140 dBc @10Hz Offset (Guaranteed)
Thermal Design: Independent thermos cabinet
Power Transformer: 30VA toroidal transformer
Regulation Topology: Two-stage linear regulation (LM350T + LT3041)
Clock Distribution: Ultra-low additive phase noise amplifier
Grounding: Dedicated ground terminal with selectable ground switch
Indicators: OCXO warm-up LED, Power LED

  • Designed for high-end digital audio systems requiring precise timing accuracy
  • System optimization results may vary depending on system configuration
  • OCK-2P is the official upgraded model replacing OCK-2S

Product Page: https://www.lhy-audio.com/products/ock-2p/

Q: What is the difference between OCK-2S and OCK-2P?

A:Both are 10 MHz OCXO master clocks. OCK-2P is an upgraded version of OCK-2S, offering:

  • A higher-precision OCXO with lower phase noise (< -115 dBc vs. < -110 dBc)
  • Improved internal circuit and power supply design
  • Enhanced chassis and internal isolation structure

OCK-2P focuses on further refinement in stability, detail, and timing accuracy, while OCK-2S already delivers excellent core performance.

Q: What is the purpose of the Float / Ground switch?

A: If multiple devices are grounded, a ground loop can occur and cause hum or noise. Switching one device to Float breaks the loop and helps reduce or eliminate the noise.