TEAC Audio
CG-10M-X Master Clock Generator
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Features
A Class-Leading Ultra High-Precision Clock that achieves frequency temperature characteristics within ±3ppb, and frequency precision within ±0.1ppm
Four BNC Clock Output Connectors (Gold-plated)
Independent and Isolated Circuit Design
Refined Buffer Amplifier Circuit and Power Supply Circuit for higher sound quality
Toroidal-Core Power Transformer
Oven Status Gauge for Clock Stability Monitoring
3-Point Support Stressless Foot
A Bobust Full-Metal Chassis, Combined with an A4-Size Footprint
Semi-Floating Top Panel
Available in Black and Silver to match the Reference 500 Series
Video
What's in the Box?
Warranty
Precision pulses breathe new life into Digital Audio. A new master clock generator for the Hi-Res era.
Compatible with the Reference 500 & 700 series. Such as the UD-701, UD-505, UD-505X, NT-505, NT-505X, and the older TEAC UD-503 and NT-503
Features at a glance
High-precision "TEAC Reference OCXO" – an ‘oven-controlled’ crystal oscillator±3 ppb frequency temperature characteristics±0.1 ppm frequency precision4 x 10MHz clock output connectors (gold-plated BNCs). Completely independent and isolated circuit, high-capacity toroidal-core power transformer, iconic OVEN STATUS gauge for oscillation stability monitor. Dimmable backlight color matching with the Reference 505 amplifiers. Patent-registered ‘Pin-Point’ feet to minimise vibrations. Three feet for the perfect support. Full-metal body to eliminate incoming electromagnetic noise. Detachable 3-pole IEC power socket, Compliant with RoHS
New Reference OCXO – an Oven-controlled Crystal Oscillator
Since temperature has a huge effect on the accuracy of the crystal oscillator, minimizing temperature changes and maintaining it at an ideal level are 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.
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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 analogue 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, the 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. The gauge is a backlit type with a dimmer control (including the ability to completely switch the backlight off). * The oscillator is usually stable about 2 minutes after the power is turned on. However, at least 10 minutes are necessary for the clock to reach an ideal condition.
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 ingeniously comprise two separated metal sections in an integrated housing. One 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 simple installation. Three ‘Pin-Point’ feet are used for support, two at the front and one at the rear, for excellent stability, even on an uneven floor. As a result, the three ‘Pin-Point’ feet help improve the accuracy of clock oscillation by minimising vibrations and resonance. This, in turn, reduces mid and low frequency muddiness, improves the soundstage, and enhances fine sound detail. * Japan patent No. 4075477 and No. 3778108
A robust full-metal chassis, combined with an A4-size footprint
Designed to match the successful Reference 500 & 700 series. The CG-10M features aluminum panels and a robust metal chassis (that also isolates it from electromagnetic noise). It has a compact A4-size footprint that will fit anywhere.
| Parameter | Specification |
|---|---|
| Physical Specifications | |
| Dimensions | W: 290 × H: 84.5 × D: 248.7mm W: 11.4" × H: 3.3" × D: 9.8" |
| Weight | 3.6 kg / 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 |
| Accessories | Power cord, Pads, Owner's Manual (including Warranty Card) |
| Technical Specifications | |
| Clock Output Connectors | BNC × 4 (gold-plated) |
| Output Sampling Frequency | 10MHz |
| Output Impedance | 50Ω |
| Output Level | 0.5Vrms (sine wave) |
| Clock Stabilization Time | 2 minutes |
| Power Supply US/Canada | AC 120V, 60Hz |
| Power Supply UK/Europe | AC 220-240V, 50Hz |
| Power Consumption (Warming Up) US/Canada | 15.4W |
| Power Consumption (Warming Up) UK/Europe | 15.8W |
| Power Consumption (Stable) US/Canada | 10.0W |
| Power Consumption (Stable) UK/Europe | 10.8W |
| Audio Specifications | |
| Frequency Temperature Characteristics | within ± 3ppb (when shipped new) |
| Frequency Precision | within ± 0.1ppm (when shipped new) |