Got a car amp

RIZWAN SARWAR New member Username: Audio_man Rochdale, Lancashire BRITAIN Post Number: 1 Registered: Dec-04	Posted on Monday, December 20, 2004 - 13:06 GMT hi i got a car amp of my mate its 400 watt jetson amp i know how to power da amp in my house using the atx power supply but i dont know how much power my amp needs, do i need 40amp output current rating n 12volt atx power supply to power my amp properly
GlassWolf Gold Member Username: Glasswolf NorthWest, Michigan USA Post Number: 6643 Registered: Dec-03	Posted on Monday, December 20, 2004 - 14:11 GMT if its a 2 chanel class-AB amp, and its 400 watts RMS, it'll need about 46A of current on the 12V rail of the ATX supply
audio man New member Username: Audio_man Rochdale, Lancashire BRITAIN Post Number: 2 Registered: Dec-04	Posted on Monday, December 20, 2004 - 22:50 GMT its a 4 channel amp jetson but u can bridge the speaker terminals too
GlassWolf Gold Member Username: Glasswolf NorthWest, Michigan USA Post Number: 6675 Registered: Dec-03	Posted on Tuesday, December 21, 2004 - 03:35 GMT same thing then. 400 watts = ~46A
audio man New member Username: Audio_man Rochdale, Lancashire BRITAIN Post Number: 4 Registered: Dec-04	Posted on Wednesday, December 22, 2004 - 00:59 GMT thanks glass wolf for ur help