Description

500W amplifier switching power supply board dual-voltage PSU input voltage：AC100-120V/200-240V Output Power 500VA output voltage：(we have following several kinds for choose) +/- 30VDC, +/- 35VDC, +/- 37VDC +/- 40VDC, +/- 45VDC, +/- 50VDC, +/- 55VDC, +/- 60VDC, +/- 65VDC, +/- 70VDC. All auxiliary voltage: +/- 15V, 1A (shared GND with the main voltage) + 12V, 0.5A (separate ground wire); Dimensions : 100 * 133 * 50mm Transformers 0.1mm * 100 multi-strand oxygen-free enameled wire, heat is very low, efficiency is more than 90%. All high-frequency low-impedance electrolytic capacitors specifications, low ripple. Instantaneous output current can reach 5-10 times the normal current, very suitable for high-power amplifier.