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-   -   Audio Alchemy DAC-In-The-Box; Power Supply? (http://www.diyaudio.com/forums/digital-source/213466-audio-alchemy-dac-box-power-supply.html)

thefragger 28th May 2012 04:40 PM

Audio Alchemy DAC-In-The-Box; Power Supply?
 
Hi all,

I haven't found an answer yet after searching around for one, so here goes:

I was gifted one of these little DACs, but without the poser supply. I've been reading that the stock unit shipped with a +/-18V, 400mA supply, but that they sound great with +/-12V, 2A supplies. That's all good and well, but I'm not sure now about what rail goes to which ring on the three-ring plug (standard 1/8" jack, used for power input).

Has anyone got one of these supplies who could just do a quick pinout for me?

I was going to go shopping for parts today (still will be, no doubt), but then I realized that the unit states nothing of its power requirements on the back! :rolleyes:


Thanks for any and all help with this issue!

dtm1962 28th May 2012 09:33 PM

Quote:

Originally Posted by thefragger (Post 3039816)
Hi all,

I haven't found an answer yet after searching around for one, so here goes:

I was gifted one of these little DACs, but without the poser supply. I've been reading that the stock unit shipped with a +/-18V, 400mA supply, but that they sound great with +/-12V, 2A supplies. That's all good and well, but I'm not sure now about what rail goes to which ring on the three-ring plug (standard 1/8" jack, used for power input).

Has anyone got one of these supplies who could just do a quick pinout for me?

I was going to go shopping for parts today (still will be, no doubt), but then I realized that the unit states nothing of its power requirements on the back! :rolleyes:


Thanks for any and all help with this issue!

Hi thefragger:

I had a bunch of Audio Alchemy DAC's over the years....

The tip is +12VDC, the middle is -12VDC and the Ground is the cable end.

The standard power supply (no load) would measure +/-15VDC or so while the upgraded PS would measure +/-16VDC (no load). I believed hooked up to DAC, they measured +/-13VDC and +/-14VDC respectively.

I hope this helps...

thefragger 28th May 2012 11:28 PM

Quote:

Originally Posted by dtm1962 (Post 3040194)
Hi thefragger:

I had a bunch of Audio Alchemy DAC's over the years....

The tip is +12VDC, the middle is -12VDC and the Ground is the cable end.

The standard power supply (no load) would measure +/-15VDC or so while the upgraded PS would measure +/-16VDC (no load). I believed hooked up to DAC, they measured +/-13VDC and +/-14VDC respectively.

I hope this helps...

Wonderful! Thanks for clarifying the pinout, Dan!


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