Average noise level
The average noise level is enormously high! This is just as true for 230 volts…
… as with 115 volts,
Fan noise and speed measurements @ 28-32 °C
Semi-passive operation is very short once you put a heavy load on the small rails. Up to 560W, the power supply is absolutely silent and stays below 30 dBA up to 750W. Fan noise exceeds 40 dBA at more than 900W; you’ll probably need earplugs at 1090W.
- 1 - Introduction, technical data and test report
- 2 - Unboxing, cables and protection circuits
- 3 - Teardown: topology, components, workmanship
- 4 - Load Regulation, Ripple Suppression, Transient Resonse
- 5 - Hold-Up Time, Timings, Inrush-Current
- 6 - Average Efficiency and PF
- 7 - Noise and fan
- 8 - ´Summary and conclusion
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