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Switching Power Supplies A to Z
Switching Power Supplies A to Z, by Sanjaya Maniktala (Newnes), starting at $43.50
Home » Power
OCZ ModStream 520 W Power Supply
Author: Gabriel Torres
Type: First Look Last Updated: September 29, 2005
Page: 3 of 5
$ Check REAL-TIME pricing for Amazon.com DigiTech PS0913B Power Supply for JHE XAS-BM JamMan Whammy EX7 GNX1 RP100-350 RPx400 BP200 Vocal 300 Vx400 EXH VL2 VL4 HarmonyMan TimeBender Musical TimeB $.
Amazon: $39.95

A Look Inside the Power Supply

Since we are very curious, we decide to open the power supply to take a look inside it.

The first thing we discovered was that this power supply is manufactured by Topower.

OCZ ModStream 520 W Power Supply
click to enlarge
Figure 9: Inside OCZ ModStream 520 W power supply.

OCZ ModStream 520 W Power Supply
click to enlarge
Figure 10: Inside OCZ ModStream 520 W power supply.

For a layman, it looks like any other power supply. But if you pay really attention you will see that OCZ uses better quality components inside their power supply, like transistors that can really deliver the current claimed by the manufacturer, better heatsink for the transistors, better electrolytic capacitors with higher capacitance and a lot of extra filtering to ensure very stable voltage outputs with no spikes or noise. On Figure 11 you see part of the input line filter, which "generic" power supplies simply don’t have.

OCZ ModStream 520 W Power Supply
click to enlarge
Figure 11: Input line filter.

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