AC 220V Power Amplifier Power-on Delay
Soft Start Protection Board Max 1000W
Description:
When the power supply is switched on, 4PCS 5W 12ohm high power resistors and power amplifier's transformer on the board are connected in series to limit the current and buck the voltage. and a few seconds later, the delay line relay is switched on to 220V (the LED lamp on the board is bright), which can significantly reduce the impact of 220V voltage on high-power transformers, large-capacity electrolysis, and rectifier diodes. Its soft-start feature is also suitable for use with the amplifier, so that the tube filament voltage has a slow boosting process, which can reduce the impact of voltage on the filament.
Working Voltage: AC 220V
Board Size: 85mm x 74mm x 25mm
Notice:
1, Transformer using within 1000W ;
2, The components on the board are different depending on the assembly batch. Some components have different types, brands, models, and specifications. The pictures are for reference only and are subject to the actual product.
The circuit power-on delay time is determined by the value of R8 and C5. R4, R5, R6, R7 resistor series power should be the same as the load power, the best use effect, can greatly reduce the large current impact caused by the power on the transformer.
Packing List:
1pcs x Power Amplifier Soft Start Protection Board