About the Eversolo C10 (Pre-order)
High-Precision Master Clock
The more sophisticated a digital audio system becomes, the more it relies on a stable timing reference. The Eversolo C10 is a high-precision master clock that provides a shared 10 MHz reference for compatible streamers, transports and DACs. One C10 can feed up to four components, including the Eversolo T10 streaming transport, the DAC-Z10 and the DAC-R8, or any source with an external clock input.
The C10 is available for pre-order. Eversolo does not have an exact shipment date yet.
SC-cut OCXO
At the heart of the C10 is a custom 10 MHz OCXO (oven-controlled crystal oscillator) built on an SC-cut crystal, a doubly rotated cut that is less sensitive to temperature change and internal stress. Precision oven control keeps the crystal at a stable operating temperature. It warms up within five minutes at 25 °C, leaves the factory within ±0.01 ppm, drifts less than 0.003 ppm from −20 °C to +60 °C and ages less than 0.002 ppm per day. Short-term stability is below 9E-13 over one second.
Phase noise is specified at ≤ −115 dBc/Hz at a 1 Hz offset, ≤ −129 dBc/Hz at 10 Hz, ≤ −139 dBc/Hz at 100 Hz and ≤ −145 dBc/Hz at 1 kHz, with a noise floor of ≤ −170 dBc/Hz.
Four buffered outputs and 1PPS calibration
Four independently buffered BNC clock outputs, all driven by the same clock source, run at 10, 25 or 100 MHz, or at word-clock frequencies for the 44.1 kHz family (11.2896, 22.5792 and 45.1584 MHz) and the 48 kHz family (12.288, 24.576 and 49.152 MHz). The output is a 1.8 Vrms square wave at 50 ohms. An SMB 1PPS input accepts an external timing reference so the C10 can recalibrate its internal time base.
An 8.8-inch IPS touchscreen shows warm-up, oscillator temperature, operating status and 1PPS calibration in real time. The aerospace-grade aluminum-alloy chassis matches Eversolo's full-width components and measures 365 × 310 × 88 mm with feet (78 mm without feet). It weighs 5.85 kg.
System matching
Use the C10 to clock the Eversolo T10, the DAC-Z10 and the Eversolo DAC-R8, or another component that has an external clock input. The C10 includes two clock cables in the box.
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Details
Complete Specifications
Complete Specifications
| Inputs |
|
|---|---|
| Outputs |
|
| Clock | 10 MHz SC-cut ultra-low-noise OCXO; phase noise ≤ −115 dBc/Hz @ 1 Hz |
| Display | 8.8-inch IPS touchscreen |
| Output level | 1.8 Vrms square wave @ 50 Ω |
| Power supply | AC 100–120 V or 220–240 V, 50/60 Hz, auto-adapting; ≤ 20 W max, ≤ 0.8 W standby |
| Dimensions (mm) | 365 × 310 × 88 mm (W × D × H, incl. feet; 78 mm high without feet) |
| Dimensions (in) | 14.4 × 12.2 × 3.5 in (W × D × H, incl. feet) |
| In the box |
|
| Pairs with |
FAQ
FAQ
What does the Eversolo C10 do?
It is a high-precision master clock that provides a shared timing reference for compatible digital audio components. One C10 can feed up to four devices from the same 10 MHz SC-cut OCXO.
Which Eversolo products can the C10 clock?
Eversolo specifies the C10 for the T10 streaming transport, the DAC-Z10 and the DAC-R8, as well as other streamers, CD transports and DACs that have an external clock input.
What clock frequencies does the C10 output?
It has four independently buffered BNC outputs at 50 ohms. They can run at 10, 25 or 100 MHz, or at word-clock frequencies for the 44.1 kHz family (11.2896, 22.5792 and 45.1584 MHz) and the 48 kHz family (12.288, 24.576 and 49.152 MHz). The output is a 1.8 Vrms square wave.
How stable is the C10 clock?
The SC-cut OCXO warms up within five minutes at 25 °C. Factory frequency offset is within ±0.01 ppm, temperature stability is less than 0.003 ppm from −20 °C to +60 °C, and aging is less than 0.002 ppm per day. Phase noise is specified at ≤ −115 dBc/Hz at 1 Hz, with a noise floor of ≤ −170 dBc/Hz. An SMB 1PPS input accepts an external timing reference for recalibration.
What does the C10 display show?
An 8.8-inch IPS touchscreen shows warm-up, oscillator temperature, operating status and 1PPS calibration in real time.
Is the C10 available now, and what is in the box?
The C10 is available for pre-order. Eversolo does not have an exact shipment date yet. In the box are a power cable, two clock cables, a user manual, a warranty card and a screen cloth. It measures 365 × 310 × 88 mm with feet and weighs 5.85 kg.
Shipping & Warranty
Shipping & Warranty
Warranty: 1-year Eversolo manufacturer warranty from date of purchase
HiFi Boutique ships within the United States only. Orders ship within 2 business days, with a tracking number. See the shipping policy.