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The DMA8+ enables upmixing as so, and the same options are also available for inputs 2 and 3 (BNC connectors that can take either AES3 or consumer S/PDIF), and 4 (Toshiba Link):
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If the automation cable is in place, its interaction with the CP650 is semi-automated for some functions (for example, selecting a given preset on the CP650 automatically changes the DMA8+'s input to a linked option), but I couldn't give you the full details without re-reading the manuals.
But despite its age, the DMA8+ remains a useful tool. Used but OK ones are still in demand for applications such as drive-ins (AES3 from an IMB goes in, and 5.1 or 7.1 goes out to a mixing board for downmixing to 2.0 for broadcast), and the one we're discussing, namely the ability to upmix from 2.0 and send the output into any processor that will accept a multi-channel analog input. Whenever we acquire one (usually traded in following an upgrade) and confirm that it is fully functional, it is usually resold very quickly.
image.png
If the automation cable is in place, its interaction with the CP650 is semi-automated for some functions (for example, selecting a given preset on the CP650 automatically changes the DMA8+'s input to a linked option), but I couldn't give you the full details without re-reading the manuals.
But despite its age, the DMA8+ remains a useful tool. Used but OK ones are still in demand for applications such as drive-ins (AES3 from an IMB goes in, and 5.1 or 7.1 goes out to a mixing board for downmixing to 2.0 for broadcast), and the one we're discussing, namely the ability to upmix from 2.0 and send the output into any processor that will accept a multi-channel analog input. Whenever we acquire one (usually traded in following an upgrade) and confirm that it is fully functional, it is usually resold very quickly.
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