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The saga of my netbook power supply

Hi Eunegis,

Like to share my experience relating to netbook's various power supply configurations.

I have been using Acer Aspire One + Devilsound USB dac/cable for over a year, and have been through the following configs.- in the time sequence of implementation:

1. Aspire One's native switching PS
2. Aspire One's battery unit
3. Workbench linear PS
4. Linear PS + USB isolator + external USB battery PS
5. Aspire One battery + USB isolator + external USB battery
6. Linear PS + Aspire One battery + USB isolator + external USB battery

2. was totally not workable, the battery pack did not have enough juice to power the USB dac. 3, 4, and 5 all had BIG SQ improvement, with 5 the biggest-really one of a different magnitude. What was most unexpected was the bass, with much better definition and body. What was previously a bit digitally thin was no more and the sound sings with analog glory. Though 5. was a bit dark sounding with some recordings. But the darkness was gone with 6.

To cut to the chase, battery power is essential for a good sound in netbook, and yes, net + battery gives you the best of both worlds.

KC


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