External Linear Power Supplies


Does anyone have any experience in comparing the following external linear power supplies:
SBooster (most expensive)
Small Green Computet
iFi Power Supplies (least expensive) ?

I am interested in effectiveness, and bang for the buck.

I would use one of these to Power a Chord Qutest, a SugarCube SC-2 and a Massdrop THX AAA Headphone amp.

Thanks.

Ag insider logo xs@2xkingbarbuda
@elizabeth - that sounds right as the iFi is basically a switching power supply.  I'm sure that's a big reason why melvinjames did not get an improvement with it.

That Massdrop THX AAA unit looks to require a 24V DC power supply, so you are likely going to have to have to have at least two external power supplies because this is a higher than normal voltage for these linear DC power supplies.  Most small devices range 5-15V DC.  Even the 200W Small Green Computer only has a 19V output (unless you can get them to custom build a power supply).

So, either a single SBooster or Teradak for that 24V Massdrop.  Then you could try to find a dual-output power supply for the 12V SugarCube and the 5V Chord Qutest (with special micro-USB connector).
There are some brands of linear power supplies that offer multiple outputs and can be configured with differing voltages.
Bob
I suggest that you compare used lab grade supplies (e.g. HP / Agilant) with 'audiophile' stuff, spec by spec. Bet that used lab equipment gets you far more quality for far less money.
I don't completely know about that.  I suspect that Lab grade units use switching power supplies because everything is controlled from a digital/computer circuit.  I could be wrong, maybe there is a lab unit with linear power supply.
I use the Illuminati v3 power supply from Mojo-Audio.  They are second to none.  When I first plugged it into to my SoTM gear I was stunned.  Highly recommended.