From Drawmer

The D-Clock is a dual input/twenty output word clock distributor with a 16 character blue LCD display providing a reference measurement of the incoming sample rate. Both AES/EBU and BNC word clock inputs feature a zero latency loopthrough output with switchable high impedance to maintain the correct level of the digital signal for onward distribution. The D-Clock displays incoming sample frequencies up to 768 kHz to an accuracy of 2ppm (parts per million) with two further modes – sample frequency with ±ppm error and sample frequency with % pull up/down for video users.

Sixteen BNC clock outputs are situated on the rear panel with a further four BNC clock outputs on the front panel for quick patching to other digital devices. The word clock outputs can be derived from either a word clock input or alternatively an AES/EBU audio signal from which clock information can be stripped. In the latter case, one of the many mic pre’s with internal A/D conversion but no word clock output can be utilised as the master clock source for the whole digital studio.

Features include:

  • Inputs: BNC with zero latency loopthrough
  • AES with with zero latency loopthrough
  • Outputs: BNC loopthrough / AES loopthrough
  • 20 BNC clock outputs – 33½ impedance
  • 3 sample rate measurement LCD modes accurate to 2ppm
  • Universal voltage filtered mains power input

For critical applications, the D-Clock-R with dual redundant power supplies and dual redundant auto-sensing clock inputs is also available.

Clock Type Master Clock & Distribution
Oscillator TCXO (Temperature-Compensated Crystal Oscillator)
Clock Frequency and Supported Sample Rates Word Clock Input: 32 to 768 kHz AES3/AES11 Input: 32 to 192 kHz
Supported Frame Rates No

Connectivity

Inputs 1x XLR 3-Pin AES11/AES3 1x BNC Word Clock
Outputs 1x XLR 3-Pin AES11/AES3/Word Clock Thru (with Loop Thru) 16x BNC Word Clock Output 4x BNC Word Clock Output (Front Panel) 1x BNC Word Clock Thru (with Loop Thru)
USB I/O No

Performance

Clock Accuracy ±2 ppm
Clock/Oscillator Stability ±2 ppm
Impedance XLR AES3/AES11 Input: 110 Ohms (Selectable) BNC Word Clock Input: 75 Ohms (Selectable)

Compatibility

Mobile App Compatible No

Power

AC Input Power 110 to 230 VAC, 50 / 60 Hz (T 315 mA)
Power Consumption 10 W 6 W (Standby)

Physical

Rackmount Size 1 U
Dimensions 19 x 5.7 x 1.7" / 48.26 x 14.5 x 4.4 cm
Weight 3.7 lb / 1.7 kg

Packaging Info

Package Weight 5.57 lb
Box Dimensions (LxWxH) 22.7 x 14.9 x 4.3"

Free 3-Year Warranty

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Coverage exclusions live in Terms & Conditions, Section 27. Read the warranty →

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