Consonance Don Curzio DAC

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I can read what they are but wanted to check they're correct.
The very last one I can't remember what it is (It's not in front of me at the moment) and I think this is for the Single Ended output. This is OK.

The previous two (by which I just mean physically on the board) I think are for the Balanced outputs.
These are Analogue Devices AD8620.
The datasheet for this IC says a max supply of +/-13V. Consonance are supplying all three OP -Amps with +/-15V. The AD IC'S get very hot and provide distorted output, also affecting the SE output.

I just wanted someone else to find out what is in their unit.
Has it been modified or is it bad design?

Cheers,

P
 
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