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TEAC CG-10M-A Master Clock Generator

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Product Information

Model: CG10MAB | UPC: 043774034352


What's In The Box

Product Information

Model: CG10MAB | UPC: 043774034352

An All-New Master Clock Generator for the Hi-Res Era

The CG-10M is a master clock generator delivering an accurate signal to allow Digital-to-analog converters (DACs) to perform at their best.


  • High-precision "TEAC Reference OCXO" – an ‘oven-controlled’ crystal oscillator
  • ± 3 ppb frequency temperature characteristics, ±0.1 ppm frequency precision
  • 4 x 10MHz clock output connectors (gold-plated BNCs)
  • Completely independent and isolated circuit
  • High-capacity toroidal-core power transformer
  • OVEN STATUS gauge with dimmable backlight, for monitoring oscillation stability
  • 3-positioned Patented Pin-Point feet to minimize vibrations
  • Full-metal body to eliminate incoming electromagnetic noise

New Reference OCXO – an Oven-controlled Crystal Oscillator

Since the temperature has a huge effect on the accuracy of the crystal oscillator, minimizing temperature changes and maintaining it at an ideal level is extremely important in order to generate an accurate clock signal. The CG-10M employs an innovative oven-controlled crystal oscillator, the TEAC Reference OCXO to reduce oscillation frequency fluctuations caused by temperature changes.

A class-leading high-precision clock

Thanks to the TEAC Reference OCXO, the CG-10M delivers a precision 10MHz clock signal – within ±3 ppb of frequency temperature characteristics and within ±0.1 ppm of frequency precision – to USB DACs and digital players. A unique laser-engraved serial number and the TEAC Reference OCXO logo on every OCXC case are proof of the rigorous quality inspection undertaken during the manufacturing process.

Four BNC clock output connectors

Four gold-plated BNC connectors (50 ohms) are provided to deliver clock signals to multiple devices. Up to four devices that support a 10MHz input may be connected simultaneously, including USB DACs, network players, and SA-CD players.

Independent and isolated circuit design

Each circuit in the CG-10M – from the power supply section to the buffer-amp at the output stage, – is completely isolated to prevent cross-interference when multiple devices are connected to the BNC connectors. By incorporating a buffer-amp into each circuit, no degradation of the signal waveform occurs when the generated clock signal is shared by several devices.

Oven Status Gauge for clock stability monitoring

The OVEN STATUS analog gauge located in the middle of the unit, a TEAC trademark in recent years, shows the stability of the crystal oscillator when in use. As the temperature of the oven that contains the crystal oscillator reaches the ideal temperature for accurate clock generation, power consumption of the oven decreases and the gauge points to zero, signaling to the user that the digital processing on the connected device is now controlled by an extremely accurate 10MHz clock signal.

Toroidal-core power transformer

A high-capacity, toroidal-core power transformer constantly supplies a constant, stable current that contributes greatly to the efficacy of the crucial clock generation and its subsequent high-precision output.

Three-position, patented ‘Pin-Point’ feet for perfect stability

The CG-10M employs TEAC's patented ‘Pin-Point’ feet. These comprise two separated metal sections in integrated housing. One is has a spiked top and is attached to the bottom of the chassis, the other is a basin-shaped base that hangs down from the spiked section with a flange-shaped cup for frustration-free installation.

A robust full-metal chassis, combined with a A4-size footprint

Designed to match the successful Reference 500 series, the CG-10M features aluminum panels and a robust metal chassis (that also isolates it from electromagnetic noise).


  • Clock Outputs   
    • Connectors: BNC x 4 (gold-plated)
    • Output Sampling Frequency: 10MHz
    • Output Impedance: 50Ω
    • Output Level: 0.5Vrms (sine wave)
  • OCXO (Crystal Oscillator)              
    • Clock stabilization time: 2 minutes
    • Frequency temperature characteristics: within ± 3ppb (when shipped new)
    • Frequency precision: within ± 0.1ppm (when shipped new)
  • General
    • Power: AC 120V, 60Hz
    • Power Consumption
      • Warming up: 15.4W
      • Stable: 10.0W
    • Dimensions (W x H x D): 11.4” × 3.3” × 9.8”
    • Weight: 7.9 lbs
    • Operating Temperature: +5°C to +35°C
    • Operating humidity range: 5% to 85% (no condensation)
    • Storage Temperature: -20°C to +55°C

What's In The Box

  • CG-10M-A Master Clock Generator
  • Power Cord
  • Manual 
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