dion wrote:The power supply you got. Is it fairly small, compact and light or big, chunky and heavy?
I'd say it's the first as linear power supplies are banned in Australia, yet not plupack transformers (go figure). So light and small is switchmode.
Given its probably a cheap and nasty piece of crap, that could definitely explain some if not all of your symptoms. Without being familiar with the original power supply, I'd say it is either supposed to have a linear PS, perhaps even regulated or a good quality switchmode, although I doubt it as they're frowned upon for audio use.
If Im right it will be that essentially the circuitry is not designed to handle the noisy/dirty power from a switchmode PS and that is the result.
grevillea wrote:So many variables here - the first thing I would have done would be rule out the headphones as the cause of the problem before titling my thread 'LCD-2 sound terrible'. I would then have eliminated the amp as suggested earlier before spending time on the most complicated part of the equation - the DAC and its interaction with your computer. All I know is that 64-bit Win7 has given me problems that simply dont exist with Linux. I can run voyage-mpd from a USB stick and my MSII is recognised and lets me play music without issue. Something fundamentally screwed in 64-bit Win7, IMO.
So many variables here - the first thing I would have done would be rule out the headphones as the cause of the problem before titling my thread 'LCD-2 sound terrible'.
galactic soap wrote:I'm considering picking up a USB>SPDIF converter to boost the DAC Magic to true 24/192. Would this have much of an impact?
galactic soap wrote:Problem solved. Turns out it was the power supply. The unit I purchased was shipped from the US, and given the wall wasn't compatible with the AUS spec version the seller advised me to pick-up an aftermarket one from Jaycar.
I duly obliged, however it turns out that the Jaycar one had the right voltage specs, however provided the power in a way slightly different way to the stock cambridge audio version.
dion wrote:If that is the case though, to be honest it's pretty piss poor design from Cambridge to rely on a specific power supply with good regulation... really piss poor to be honest.
BusinessEvolution wrote:dion wrote:If that is the case though, to be honest it's pretty piss poor design from Cambridge to rely on a specific power supply with good regulation... really piss poor to be honest.
They probably supply a high quality external power supply with all units. Maximising audio quality doesn't always follow all traditional design rules, they might wanted to keep the power supply external and have less regulation components to reduce distortion/interference (THD+N).
BusinessEvolution wrote:The only problem I've read about with the dacmagic+ is if you are connecting via usb to a laptop with very dirty USB power. Theres been some audio problems as a result with cheap laptops when they are plugged into the wall, that significantly decreases when running of the internal batteries.
So as long as you are using the supplied power supply and not connecting it to anything with bad power regulation, then its great .
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