500W +/-37V amplifier dual-voltage PSU audio amp switching power supply board For Sale
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500W +/-37V amplifier dual-voltage PSU audio amp switching power supply board:
$40.85
input voltage: AC100-120V/200-220V
Output Power :500VA
output voltage ：+/- 37VDC (we have following several kinds for choose)
+/- 30VDC,
+/- 35VDC
+/- 40VDC,
+/- 45VDC,
+/- 50VDC,
+/- 55VDC,
+/- 60VDC,
+/- 65VDC,
+/- 70v DC
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
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