The Synchrony-16 is an audio purist Studio Master Clock with extremely low jitter outputs. There are 12 Word Clock outputs and 4 SuperClock outputs organized in groups with each group containing four BNC outputs.
The Sync-16 operates at only one audio standard Sample Frequency (SF) or multiples thereof at any time in order to provide the lowest jitter signal possible. The multiples of 1x, 2x, and 4x cover audio standard SFs including 44.1, 88.2, 176.4, 48, 96, & 192 kHz for Word Clock outputs. SuperClock outputs operate at 64x, 128x and 256x the base SF of 44.1 or 48 kHz.
The front panel has a base rate setting for 44.1 or 48 kHz and is organized with separate multiplier settings for each of the four output groups. There is also an Edit/Run switch to lock front panel settings to prevent unintentional changes to this very critical clock function.
Even a low-jitter signal can be degraded by problems with signal transmission. Proprietary output driver circuitry reduces this to a minimum by driving a wide range of cables with minimal change to crucial waveform characteristics.
Improper cable termination can also degrade jitter performance. Front panel Termination Diagnostic indicators let the user know at a glance if each output is properly terminated.
Features
- Eight 75 Ohm BNC 192, 176.4, 96, 88.2, 48, 44.1 kHz sample rate Word Clock outputs
- Four 75 Ohm BNC SuperClock outputs
- Super-low clock jitter for superior audio performance
- Front Panel Termination Diagnostic indicators
- Front Panel Edit/Run switch to prevent unintentional changes to critical settings
- Intuitive user interface
- Proprietary Output Driver circuitry to minimize variations in jitter performance due to cables
Applications
- Mixing
- Mastering
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Word Clock outputs
The 12 Word Clock outputs are 75 Ohm BNC connectors, which is the industry standard for Word Clock transmission. Each group of four outputs has a separate front panel multiplier setting. For example, this allows simultaneous output of 44.1, 88.2 and 176.4 kHz Word Clock signals at the same time.
SuperClock Outputs
The four SuperClock outputs also are 75 Ohm BNC connectors which have their own front panel multiplier setting, allowing simultaneous output of SuperClock at a multiple of the same base SF (44.1kHz in this example).
Termination Diagnostics
Proper termination of Word Clock (WC) and SuperClock connections are crucial to achieving good results. The termination must be located at the input of the receiving device, sometimes referred to as the clock “slave.”
The front panel termination indicators illuminate when the corresponding output is properly terminated with 75 Ohms. The WC inputs of most devices have either “fixed” internal termination, or a switch or jumper setting to enable/disable their internal termination. Devices that do not have internal termination require a BNC T and BNC Terminator to be placed on the device’s WC input to achieve proper termination.
AC Power
The Synchrony-16 adjusts automatically to AC power inputs of 90-264 VAC @ 47-63Hz. There are no settings to change. The AC power input module contains line filtering and two 0.5A 250V time delay fuses in a red fuse holder/voltage selector. The power supply will operate properly over the entire rated input range with the voltage setting of the power input module’s red fuse holder/voltage selector inserted in either the 115 or 230 position.
Operating tips
Termination Diagnostics
Many digital audio devices with Word Clock (WC) inputs have “internal” termination, which provides the 75 Ohm termination required for optimum performance.
Before using the system with the SYNC-16 acting as the Master Clock, be certain to check that the front panel Termination Diagnostic indicator is illuminated for every output being used.
If the Termination LED does not illuminate, first check that the slave device is supposed to have internal termination. If there is a switch or internal jumper, check to be certain it is set to “On.” If it is On or the device has “fixed termination” (always On), see the next section.
If the device has no internal termination, use a BNC T and BNC 75 Ohm Terminator on the device’s WC input to connect the BNC cable from the SYNC-16.
Improper Termination Diagnosis
In some cases a device’s internal termination is not implemented properly and as a result, the Sync-16’s Termination Diagnostic indicator will not illuminate. It is recommended that the internal termination be disabled (if possible) and that a BNC T and BNC Terminator be used instead.
If the device is supposed to have internal termination and the Sync-16’s Termination Diagnostic LED does not illuminate when the device is connected, try placing a BNC T and BNC 75 Ohm Terminator on the Word Clock (WC) input of the device. Connect the cable from the Sync-16 to the open terminal on the BNC T. If the Termination Diagnostic LED still does not illuminate, there is a good chance the internal termination is not implemented properly.
To test this, simply remove the BNC T with the cable and Terminator still attached from the WC input of the device. If the Sync-16’s FP Termination Diagnostic lamp illuminates in this instance, it indicates that the problem is not the Sync-16 or cable.
Please contact Lavry Technical Support if you have any setup questions. There is a link under the SUPPORT tab of our website for Technical Support Requests of you can contact us by phone during West Coast business hours Monday-Friday.
Software
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