Sumo Summing Amplifier manual Operational Manual, Pin conventions, Digital Interfaces

Operational Manual

Pin conventions

To unbalance the outputs of the Sumo the -ve Pin should be connected to its adjacent 0v pin at Sumo’s output.

Similarly, inputs from unbalanced sources should be connected via twin screened cables with the –ve pin connection tied to the screen at the unbalanced source. Inputs and outputs are implemented using

advanced electronically balanced topologies and are fitted with extensive RFI rejection networks.

Digital Interfaces

The optional digital card gives Sumo the ability to output at six sample frequencies up to and including 192kHz.

AES/EBU on XLR, and S/PDIF on RCA (that’s a phono plug to you and I). Output on both connectors, for all sample rates is fixed at 24bit.

A word clock input is also provided for situations where Sumo is not the clock master. This is connected via BNC.

The card provides for both of the most common stereo digital transmissions standards:

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