I am going to buy a medical grade smps for my squeezebox since I heard the stock sb wallwart beats the Bolder modified Elpac power supply. This works if a felix power conditioner is used in the power circuit. Here is the link.
http://www.audiocircle.com/circles/i...8211#msg458211
I figure if a cheap smps wallwart can beat a good linear supply than a good smps should be able to beat a high class audiophile linear supply.
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2008-03-21, 23:03 #1Junior Member
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5v 6 amp too much current for squeezebox?
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2008-03-22, 01:44 #2Senior Member
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As long as the PSU is voltage stable, it should only deliver the required current that the Squeezebox needs. It can only be a problem if the voltage output of the PSU is not stable (5v) at low amp output.
Shouldn't be a problem.
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2008-03-22, 17:03 #3Senior Member
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If your PSU can deliver substantially more than the original, you should add a fuse for safety. The original PSU will go into current - limiting if there is, for example, a damaged cable or fault in the unit. A beefier supply may just burn its way through the fault, the wiring, your house etc.
However a SMPS designed to do 6 amps may actually be more noisy if run a long way below its rated load - at some point most supplies will go from a continuous mode to a 'hiccup' or discontinuous mode, which could well produce more audible artifacts and output voltage fluctuation.
'Medical grade' generally only affects earth leakage, and not the level of noise on the output.
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2008-03-23, 07:20 #4Senior Member
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the sb3 will draw the current rather than the psu supply it !
Acoustician and builder of interesting cables
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2008-03-24, 23:27 #5Senior Member
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Hah! "Medical Grade"! Hah! Hah!
TD
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2008-03-28, 06:58 #6Junior Member
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Medical grade powersupplies are great, great filtering, low noise, low rfi/emi emissions and very stable voltages. Unfortunately high prices.

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