RE: " This is noise generated by the computer, not by the power supply itself. " This is noise generated by the computer, not by the power supply itself.
Audirvana plus 1.5 mac#
RE: Linear Power Supply or Battery on Mac Mini - pics - AbeCollins 06:59:31 12/23/14 RE: "Does the mess on the computer powerrails/ground finds its way to your DAC?" - Ivan303 10:04:13 12/23/14 RE: Linear Power Supply or Battery on Mac Mini - pics - soundchekk 04:05:47 12/23/14 RE: Linear Power Supply or Battery on Mac Mini - pics - AbeCollins 16:37:51 12/23/14 RE: Linear Power Supply or Battery on Mac Mini - pics - MRMB 15:05:36 12/23/14 RE: Linear Power Supply or Battery on Mac Mini - pics - AbeCollins 14:46:37 12/23/14 RE: Linear Power Supply or Battery on Mac Mini - pics - MRMB 14:42:09 12/23/14 RE: Linear Power Supply or Battery on Mac Mini - pics - Bob_C 16:29:04 12/24/14 RE: Linear Power Supply or Battery on Mac Mini - pics - Sprezza Tura 16:18:52 12/24/14 RE: Linear Power Supply or Battery on Mac Mini - pics - AbeCollins 16:14:32 12/24/14 RE: Linear Power Supply or Battery on Mac Mini - pics - Sprezza Tura 13:49:49 12/24/14 RE: Linear Power Supply or Battery on Mac Mini - pics - AbeCollins 14:25:40 12/25/14 RE: Linear Power Supply or Battery on Mac Mini - pics - Jwm 10:06:25 12/25/14 RE: Linear Power Supply or Battery on Mac Mini - pics - AbeCollins 14:23:48 12/25/14 RE: Linear Power Supply or Battery on Mac Mini - pics - Jwm 09:47:36 12/25/14 RE: Linear Power Supply or Battery on Mac Mini - pics - AbeCollins 09:39:39 12/25/14 RE: Linear Power Supply or Battery on Mac Mini - pics - Jwm 08:32:39 12/25/14 RE: Linear Power Supply or Battery on Mac Mini - pics - Garg0yle 15:27:50 12/29/14 RE: Linear Power Supply or Battery on Mac Mini - pics - AbeCollins 13:05:12 12/28/14 RE: Linear Power Supply or Battery on Mac Mini - pics - Garg0yle 19:12:07 12/27/14 However, the battery proved to be 'stiffer' in terms of transient loads.
The battery appears to produce more wide band noise under a steady state DC load. Transient voltage 'droop' on the 12V 7Ah SLA battery. Transient voltage 'droop' on the TeraDak 12V linear power supply. When I turned on a screen saver on the Mac Mini. Was able to get a better periodic waveform to trigger on The scope screen shots below were just added 22:25 PST. *20MHz BW enabled on scope otherwise too much 'fuzz' to be viewable and time scale changed to 10mS/Div. This is noise generated by the computer, not by the power supply itself. Here's what's at the output of the TeraDak power supply with the Mini turned ON*. Noise is bit over 3 mVpp (1 mVrms), still not bad but not as Here's the output of the battery under 1-Amp load.
Noise is about 1.5 mV-pp (0.53 mVrms), not bad at all. Here's the output of the TeraDak linear power supply under 1-Amp load measured before the additional filtering Then down to less than 9-Watts power consumption while playing music. Saw nearly 6-Amp peak current draw during bootup Requires only +12VDC for its external power source.Īttached my cheap 12V 7Ah SLA battery I had lying around. And why not since it's so easy to do now that the Mini The Mac Mini case remains cold to the touch.ĭecided to try a 12-Volt battery on the Mini just for grins. Power supply heat sinks don't even get warmĪs the Mac Mini is drawing less than 9-watts while playing music. TeraDak 12-Volt 10-Amp linear power supply powering the Mac Mini. Mode, Direct mode, Integer mode, SysOptimizer.
Audirvana plus 1.5 mac os x#
iPad Visual Remote Control, Mac OS X 10.8.5, 24/96 AIFF files on Mac, Audirvana Plus: Memory Play, Exclusive access PS Audio NuWave DAC, Mac Mini, TeraDak Power Supply, ARC VSI-60 Amp, Tannoy Definition D500 Speakers. Results will be posted later in the week. I will also compare against a 12-Volt battery. I'll be comparing the TeraDak 12-Volt 10-Amp linear power supply against the stock switcher that was removed from the Mac Mini.
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