I'll be feeding the DAC +/-15VDC using my DIY LM317/337-based PSU (which also doesn't have heatsinks). The input will be stepped down to 3.3V (for CS8416, AD1896, the XO, and digital side of PCM1794), 5V (for analog side of PCM1794), and +/-12V for the op amps (AD8610, AD8065, or AD8033, most likely). It doesn't seem like that much current would be consumed, but I suppose the relatively large step down in voltage could make a difference here.
Oh, as for the paper clip, I think you just attach a paper clip directly to the regulator. I'll look for those TO-220 heat sinks first.
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ShinyMetal
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