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Comparison · Power supplies

500 W Switching Power Supply for Audio Amplifiers or S-480-24

Two models side by side: measurements taken by the author in their reviews, and their conclusions. The better value in each row is highlighted.

In brief: Based on review measurements: Efficiency: 500 W Switching Power Supply for Audio Amplifiers (91.6 % vs. 86.9); No load: 500 W Switching Power Supply for Audio Amplifiers (3.3 W vs. 7.1); Temperature rise: S-480-24 (52 °C vs. 146).

Model500 W Switching Power Supply for Audio Amplifiers500 W Switching Power Supply for Audio Amplifiers2018Read review →S-480-24S-480-242017Read review →
Voltage, V3524
Efficiency, %91.686.9
No load, W3.37.1
Temperature rise, °C14652
Review conclusionWith reservationsWith reservations

Only in one review: Current 20 A (S-480-24); Power 500 W (500 W Switching Power Supply for Audio Amplifiers); In test 480 W (S-480-24); Price 22.99 $ (S-480-24).

500 W Switching Power Supply for Audio Amplifiers: The power supply is well made and efficient, but overheats; it can deliver only 250–300 W continuously.

S-480-24: It handled the full load with decent efficiency, but its build and component quality are poor.

Figures were taken from the review text and checked against the quoted passages. Measurement conditions differ between reviews, so read the reviews yourself before buying. Prices at the time of review.

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